Deal or No Deal

Not to be confused with the Star Wars: The Clone Wars animated TV series episode "Deal No Deal" or Kapamilya, Deal or No Deal.

"Dond" redirects here. For the ruler, see Guðrøðr Rǫgnvaldsson.

This article is about the international television franchise. For articles for each of the national editions of the show, see Deal or No Deal (disambiguation). For the album by Wiz Khalifa, see Deal or No Deal (album).

Deal or No Deal
Created by	John de Mol
Original work	Miljoenenjacht (The Netherlands)
Owner	Banijay [1]
Years	2000–present

Deal or No Deal is the name of several closely related television game shows, the first of which (launching the format) was the Dutch Miljoenenjacht (Hunt/Chase for Millions).

The centerpiece of this format is the final round (a.k.a. the "case game" or "main game" ) which is played with up to 26 cases (or, in some versions, boxes), each containing randomly assigned sums of money. After the player for the case game is determined, this contender claims one case or a box at the start of the game, without its contents being revealed. The contestant then chooses the other cases or boxes, one at a time, to be immediately opened and removed from play. Throughout the game, the player is offered an amount of money or prizes to sell back their case and end the game, being asked the titular question, "Deal or No Deal?" If the contestant rejects every deal and eliminates all the other cases, the player keeps the money that was in their case. While almost all contestants win money, a winning outcome is dependent on whether the player should have taken one of the deals or should have held onto the original case or box until the very end.

Gameplay

The gameplay of the show differs from country to country. In some countries, there is a preliminary contest in which the studio audience is whittled down to one final contender by several trivia question rounds, this final contender then proceeds to the main game. This was the format used by the Dutch show "Miljoenenjacht" (Hunt/Chase for Millions) which initiated the "Deal or no Deal" game (originally the Dutch show was based on a German format called "Die Chance deines Lebens" (The Chance of your Lifetime) which was based on trivia questions and did not have the briefcase element at all). There are also some versions with the number of players equal to the number of cases, each player receives one case. Via a short trivia round or a random selection, one player is selected to be the contestant for the main game with his case. In other countries, there is only one preselected contestant who will play the main game without any preliminary contest.

The main game revolves around the opening of a set of numbered briefcases, each of which contains a different prize (cash or otherwise). The contents (i.e., the values) of all of the cases are known at the start of the game, but the specific location of any prize is unknown. The contestant claims (or is assigned) a case to begin the game. The case's value is not revealed until the conclusion of the game.

The contestant then begins choosing cases that are to be removed from play. The amount inside each chosen case is immediately revealed; by process of elimination, the amount revealed cannot be inside the case the contestant initially claimed (or was assigned). Throughout the game, after a predecided number of cases have been opened, the "Banker" offers the contestant an amount of money and/or prizes to quit the game; the offer is based roughly on the amounts remaining in play and the contestant's demeanor, so the bank tries to 'buy' the contestant's case for a lower price than what's inside the case. The player then answers the titular question, choosing:

• "Deal", accepting the offer presented and ending the game, or
• "No Deal", rejecting the offer and continuing the game.

This process of removing cases and receiving offers continues, until either the player accepts an offer to 'deal', or all offers have been rejected and the values of all unchosen cases are revealed. Should a player end the game by taking a deal, a pseudo-game is continued from that point to see how much the player could have won by remaining in the game. Depending on subsequent choices and offers, it is determined whether or not the contestant made a "good deal", i.e. won more than if the game were allowed to continue.

Since the range of possible values is known at the start of each game, how much the banker offers at any given point changes based on what values have been eliminated (i.e. the offer increases if lower values are eliminated and decreases if upper values are eliminated). To promote suspense and lengthen games, the banker's offer is usually less than the expected value dictated by probability theory, particularly early in the game. ^[2] Generally, the offers early in the game are very low relative to the values still in play, but near the end of the game approach (or even exceed) the average of the remaining values.

Only a few people have ever won the top prize on any version of the show (see table below). For a contestant to win the top prize the player would have to select the case containing the top prize and reject every offer the banker makes during the game. The chances of a player selecting the top prize are 4–5% depending on how many amounts are in the game.

International versions

Countries with their own version (as of April 2020)

Legend:

  Currently airing 

  Awaiting confirmation 

  Status unknown 

  Upcoming season 

  No longer airing 

Country	Name	Hosts	Channel	Premiere date	End date	Top prize	Format
Afghanistan	گنجینه Ganjina	Rahim Mehrzad Mukhtar Lashkari	Tolo TV	May 30, 2010	May 14, 2013	Afs.  1,000,000	Boxes
Albania Kosovo	Kutia	Enkel Demi	TV Klan	September 2004	December 2011	€ 5,000 € 10,000 € 20,000 € 25,000	Boxes
	Dilema Deal or No Deal	Eno Popi	Top Channel	October 14, 2018	2019	1,000,000  lek 2,000,000  lek (Sundays only)	Cases
Algeria	ادي ولا خلي Éddi Ouela Kheli	Sofiane Dani	Echourouk TV	June 17, 2015	2019	DA  5,000,000 DA  10,000,000	Boxes
Arab Maghreb	الصندوق Al Sandouk	Moez Toumi	Nessma TV	November 14, 2012	2013	DT  500,000 DA  25,000,000 DH  2,500,000	Boxes
Arab world	الصفقة Al Safqa	Amir Karara	MBC1	September 14, 2004	2004	US$ 1,000,000	Questions/Cases
	Deal or No Deal	Michel Sanan	LBC	April 1, 2005	2006	US$ 250,000	Boxes
Argentina	Trato Hecho	Julian Weich	Telefe	July 13, 2003	March 2006	Arg$ 250,000	Questions/Cases
		Lizy Tagliani and Roberto Moldavsky		May 9, 2021	January 29, 2022	Arg$ 2,000,000	Cases
Armenia	Դիլ կամ Նո Դիլ Dil kam No Dil	Hovhannes Tovmasyan	Armenia TV	November 2006	2008	֏ 100,000,000	Cases
Australia	Deal or No Deal	Andrew O'Keefe	Seven Network	July 13, 2003	October 4, 2013	AU$2,000,000 (2003) AU$200,000 (2004–2013)	Questions/Cases (2003–2006) Cases (2007–2013)
		Grant Denyer	Network 10	January 29, 2024	present	AU$100,000	Cases
Austria	Deal or No Deal	Rainhard Fendrich	ORF	2005	unknown	€250,000	Questions/Cases
Azerbaijan	Davam Ya Tamam	Idris Cafarov	Space TV	2010	2011	₼ 10,000	Boxes
		Murad Dadashov	Azad Azerbaijan TV	October 31, 2016	August 6, 2017	₼ 30,000	Cases
Belgium	Miljoenenjacht	Walter Grootaers	Vtm	October 16, 2004	2005	€ 1,000,000	Questions/Cases
	Te Nemen of Te Laten	Felice	VijfTV	August 21, 2006	2009	€ 200,000	Boxes
Brazil	Topa ou Não Topa	Silvio Santos Roberto Justus Patricia Abravanel	SBT	August 6, 2006	June 28, 2020	R$ 1,000,000	Cases
Bulgaria	Сделка или не Sdelka ili ne	Rumen Lukanov (2005–2018) Nencho Balabanov (2023–present)	Nova Television	September 19, 2005 September 4, 2023	January 7, 2018 present	75,000  lev (2005–2006) 100,000  lev (2006–2016, 2023–present) 1 kg of gold (2017–2018)	Boxes
Cambodia	ព្រម ឬមិនព្រម Prom Rer Min Prom	Ith Setha	CTN	2009	2009	10,000,000 KHR	Cases
Canada	Deal or No Deal Canada	Howie Mandel	Global	February 4, 2007	March 1, 2007	CA$1,000,000	Cases
	Le Banquier	Julie Snyder	TVA	January 24, 2007	May 21, 2017	CA$500,000	Cases
Chile	Trato Hecho	Don Francisco	Canal 13	October 19, 2004	2006	CL$120,000,000	Cases
	¡Allá Tú!	Julián Elfenbein	Chilevisión	April 16, 2007	December 28, 2007	CL$10,000,000	Boxes
China	动感秀场 Dong Gan Xiu Chang	Cheng Qian	BTV-8	2007	2007	1,000,000 points	Cases
	爱唱才会赢 Ai Chang Cai Hui Ying	Chen Huan Tian Yue Zuo Yan Huang Ziwen	ZJSTV	November 15, 2008	October 31, 2010	¥100,000  RMB	Cases (2008–2009) Questions/Cases (2009–2010)
Colombia	¡Hay Trato!	Julio Correal Carlos Calero	Caracol Televisión	July 16, 2005	2006	COL$210,000,000	Cases
Costa Rica	Trato Hecho	Gustavo Rojas	Teletica	April 10, 2012	2014	₡25,000,000	Cases
Croatia	Uzmi ili ostavi	Željko Pervan Mirko Fodor Mario Petreković	HRT 2	2006	2007	500,000Kn	Boxes
Czech Republic	Ber nebo neber	Pavel Zuna	TV Prima	February 11, 2007	December 27, 2008	5,000,000 Kč	Questions/Cases
Denmark	Deal or No Deal	Casper Christensen	TV 2	August 28, 2006	November 22, 2007	2,000,000 Kr	Cases
Dominican Republic	Trato Hecho con Nestlé	Frank Perozo Mía Taveras	Antena Latina	July 2008	2009	RD$3,000,000	Cases
Ecuador	Trato Hecho	Roberto Angelelli	Teleamazonas	April 9, 2006	2007	US$100,000	Cases
	El Familión Nestlé Trato Hecho	Daniel Sarcos	Gama TV and Red Telesistema	January 26, 2010	2010	US$100,000	Cases
Egypt	لعبة الحياة Le'bet el Hayah	Razan Maghrebi	Al-Hayah TV	August 24, 2009	2010	E£250,000 E£500,000	Boxes
	ديل أور نو ديل: الإختيار Deal or no deal: El Ikhtiyar	Maya Diab	Al-Nahar TV	May 27, 2012	2012	E£250,000	Boxes
El Salvador	Trato Hecho	Daniel Rucks	TCS	May 1, 2012	2014	US$50,000	Cases
		Mario Sibrian		September 6, 2020	September 5, 2021	US$15,000
Estonia	Võta või jäta	Alari Kivisaar	TV3	2007	2010	1,000,000 krooni	Cases
				March 8, 2013	2015	€100,000	Cases
Finland	Ota tai jätä	Pauli Aalto-Setälä	Nelonen	January 10, 2007	November 29, 2007	€500,000	Cases
France	À prendre ou à laisser	Arthur	TF1	January 12, 2004	June 3, 2010	€500,000 €1,000,000	Boxes
		Julien Courbet	D8	October 8, 2014	October 30, 2015	€100,000	Boxes
		Cyril Hanouna Valérie Bénaïm [n 1] Bernard Montiel [n 2] Christophe Dechavanne	C8	May 18, 2020	June 25, 2021	Jackpot (starts from €250,000) [n 3]	Boxes
Georgia	ვა-ბანკი Va-Bank	Misha Mshvildadze (2008) Duta Skhirtladze (2009)	Rustavi 2	November 11, 2008	June 23, 2009	50,000 ლარი	Cases
Germany	Der MillionenDeal	Linda de Mol	Sat.1	May 1, 2004	June 12, 2004	€2,000,000	Cases
	Deal or No Deal – Die Show der Glücksspirale	Guido Cantz		June 23, 2005	December 20, 2008	€250,000	Cases
	Deal or No Deal	Wayne Carpendale		July 30, 2014	August 5, 2015	€250,000	Cases
Greece Cyprus	Deal	Christos Ferendinos	ANT1	January 23, 2006	March 4, 2011	€200,000 €150,000	Boxes
			Alpha TV	October 3, 2016	July 9, 2023	€60,000	Boxes
	Super Deal (weekends)		ANT1	2006	2008	€500,000	Cases
Guyana [3]	Deal or No Deal	Surida Nagreadi Akelo Elliott	NCN	2023	2023	GY$2,000,000	Cases
Honduras	Trato Hecho	Erik Chavarría	Televicentro	April 19, 2015	2015	Lps.1,000,000	Cases
Hong Kong	一擲千金 Deal or No Deal	Michael Hui	TVB Jade	October 29, 2006	January 21, 2007	HK$3,000,000	Cases
		Alfred Cheung		April 22, 2007	February 17, 2008		Cases
Hungary	Áll az alku	Gábor Gundel Takács	TV2	April 4, 2004	September 29, 2006	50,000,000  Ft.	Questions/Cases
				October 2, 2006	December 31, 2006	100,000,000  Ft.	Cases
		Áron Kovács		May 4, 2009	June 4, 2010	21,000,000  Ft.	Cases
		Gábor Gundel Takács		August 28, 2017	October 6, 2017	50,000,000  Ft.	Cases
				February 5, 2018	April 27, 2018		Cases
				July 15, 2019	August 23, 2019		Cases
India	Deal Ya No Deal	R. Madhavan Mandira Bedi Rajeev Khandelwal	SET	November 23, 2005	July 26, 2006	₹1,00,00,000	Cases
	Deala No Deala	Rishi	Sun TV	October 31, 2009	March 3, 2012	₹50,00,000	Cases
	Deal or No Deal	Mukesh	Surya TV	November 7, 2009	March 3, 2012		Cases
		Suraj Venjaramoodu		December 25, 2016	August 20, 2017		Cases
		Sai Kumar	Gemini TV	November 7, 2009	March 3, 2012		Cases
		Ronit Roy	&TV	September 5, 2015	November 29, 2015	₹1,00,00,000	Cases
Indonesia	Deal Or No Deal Indonesia	Tantowi Yahya	RCTI	May 19, 2007	December 18, 2008	Rp.2,000,000,000	Cases
	Deal or No Deal	Deddy Corbuzier	antv	December 1, 2011	February 3, 2012	Rp.1,000,000,000	Cases
	Deal or No Deal Indonesia	Cak Lontong	Global TV	October 20, 2014	January 29, 2015	Rp.500,000,000	Cases
Iran	تمام یا دوام Tamam Ya Davam	Sina Valiollah	Farsi1	January 16, 2012	April 27, 2012	US$20,000	Cases
Ireland	Deal or No Deal	Keith Barry	TV3	November 13, 2009	March 12, 2010	€250,000	Boxes
Israel	הדיל הגדול Hadil Hagadol דיל או לא דיל Dil o Lo Dil	Moran Atias	Channel 10	March 16, 2005	2006	₪1,500,000	Questions/Cases
Italy	Affari tuoi	Paolo Bonolis (2003–2005) Pupo (2005–2006) Antonella Clerici (2006) Flavio Insinna (2006–2008; 2013–2017) Max Giusti (2008–2013) Amadeus (2023–present)	Rai 1	October 13, 2003 April 16, 2023	March 17, 2017 present	€500,000 €1,000,000 €300,000	Boxes
	Affari tuoi – Viva gli sposi!	Carlo Conti		December 26, 2020	February 6, 2021	€300,000
	Affari tuoi – Formato Famiglia	Amadeus and Giovanna Civitillo		February 19, 2022	March 26, 2022
Jamaica	Digicel Deal or No Deal	Simon Crosskill	TVJ	September 23, 2009	2009	J$1,000,000	Cases
Japan	ザ・ディール Za Dīru	Shinsuke Shimada	TBS	September 8, 2006	April 5, 2007	¥10,000,000	Cases
Kazakhstan	Удачная Сделка Udachnaya sdelka	Shah-Kerim Karmenov	Khabar	April 3, 2020	November 20, 2020	3,000,000₸	Boxes
	Қолда я Жолда Qolda ya Jolda			March 1, 2021	July 2, 2021
Lebanon	Deal or No Deal	Michel Sanan	Murr Television	October 20, 2009	June 7, 2010	£L200,000,000	Cases
Lithuania	Taip arba Ne	Marijonas Mikutavičius	TV3 Lithuania	March 31, 2007	2010	500,000  Lt. (2007–2010) 200,000  Lt. (2010)	Cases
Malaysia	Deal or No Deal Malaysia	Aanont Wathanasin	ntv7	November 3, 2007	2009	RM  100,000	Questions/Cases
	一擲千金 Yi zhi qian jin	Goh Wee Ping Owen Yap		March 12, 2007	2008		Questions/Cases
Malta	Deal or No Deal Malta	Paulo Micallef	TVM	October 1, 2007	2010	€25,000	Boxes
Mexico	Vas o No Vas	Héctor Sandarti	Televisa	2005	2007	MX$1,000,000 MX$5,000,000	Cases
	Yoo si vooy	Raul Araiza		September 2009	2010	MX$2,500,000	Cases
	¿Te la juegas?	Luis García	TV Azteca	August 12, 2019	November 27, 2020	MX$1,000,000	Boxes
Moldova	Da sau Nu	Dan Negru	Prime	2010	2019	250,000  lei	Cases
Myanmar	Deal or No Deal Myanmar	Kaung Htet Zaw	MRTV-4	January 5, 2015	2015	Ks.20,00,000	Cases
Netherlands	Postcode Loterij Miljoenenjacht (original version)	Linda de Mol	TROS, Tien, RTL4, SBS6	November 25, 2000	present	€5,000,000	Questions (2000–2002) Questions/Cases (2002–present)
	Postcode Loterij Deal or No Deal	Beau van Erven Dorens	Tien, RTL5	August 27, 2006	May 15, 2009	€250,000	Boxes
		Buddy Vedder	RTL4, [n 4] RTL5	October 3, 2021 [n 4] October 4, 2021	March 2022	€200,000
New Zealand	Deal or No Deal	Jeremy Corbett	TV3	June 6, 2007	December 26, 2007	NZ$200,000	Cases
Nigeria	Deal or No Deal Nigeria	John Fashanu	M-Net Africa	July 7, 2007	December 29, 2007	US$100,000	Cases
North Macedonia	Земи или остави Zemi ili ostavi [4]	Igor Dzambazov	Alfa TV	2009	2009	MKD  6,000,000	Boxes
	Се или нешто Se ili nešto	Lila Stojanovska	Sitel	December 18, 2011	present	MKD 1,000,000	Boxes
Norway	Deal or No Deal	Sturla Berg-Johansen	TV2	September 30, 2006	2007	3,000,000Kr	Cases
Panama	El Familión Nestlé	Nelson Bustamante	Telemetro	2006	2007	US$125,000	Questions/Cases
	Deal or No Deal			March 29, 2010	2012	US$50,000	Cases
Peru	Trato Hecho	Adolfo Aguilar	ATV	August 8, 2005	December 9, 2005	S/.250,000	Cases
	Vas o No Vas	Jesús Alzamora	Panamericana	September 12, 2016	December 21, 2016	S/.20,000	Boxes
Philippines	Kapamilya, Deal or No Deal	Kris Aquino	ABS-CBN	June 5, 2006	March 27, 2009	₱1,000,000 ₱2,000,000 ₱3,000,000 ₱4,000,000	Cases
		Luis Manzano		February 25, 2012	September 28, 2013	₱2,000,000	Cases
				February 9, 2015	March 4, 2016	₱4,000,000	Cases
Poland	Grasz czy nie grasz	Zygmunt Chajzer	Polsat	October 1, 2005	August 31, 2007	1,000,000zł	Questions/Cases
Portugal	Pegar ou Largar	Rui Unas	SIC	January 28, 2006	April 22, 2006	€300,000	Questions/Cases
Romania	Da sau nu	Virgil Ianţu Mihai Dobrovolschi	Prima TV	September 5, 2005	2006	150,000 lei	Cases
	Accepți sau nu	Gabriel Coveşanu	Kanal D	March 1, 2008	2009	100,000 lei	Cases
	Batem palma?	Cosmin Seleși	Pro TV	December 12, 2022	present	100,000 lei	Boxes
Russia	Пан или пропал Pan ili propal	Nikolay Fomenko	Channel One	September 20, 2004	January 5, 2005	3,000,000рyб.	Boxes
	Сделка Sdelka	Alexei Veselkin	REN TV	April 17, 2006	September 22, 2006		Cases
Serbia	Uzmi ili ostavi	Milorad Mandić Manda	B92	May 7, 2007	June 12, 2008	1,500,000din.	Boxes
Singapore	Deal or No Deal	Adrian Pang	MediaCorp TV Channel 5	May 13, 2007	January 31, 2008	S$250,000	Cases
Slovakia	Ruku na to	Peter Šarkan Novák	STV	September 2005	November 7, 2006	5,000,000 Sk	Cases
	Veľký balík	Marcel Forgáč	JOJ	January 5, 2018	December 29, 2018	€250,000	Boxes
Slovenia	Vzemi ali pusti	Bojan Emeršič	POP TV	2005	2007	15,000,000  SIT	Boxes
				2007	2008	€70,000
South Africa	Deal or No Deal	Ed Jordan	M-Net	February 4, 2007	2008	R  1,000,000	Cases
	Doen met 'n Miljoen!	Casper de Vries	kykNET	October 19, 2007	January 9, 2009
	Deal or No Deal	Katlego Maboe	SABC 1 (2023-2024) SABC 2 (2024-present)	March 6, 2023	present	R  250,000	Boxes
	Deal or No Deal Celebrity		SABC 1	March 9, 2024	present		Cases
South Korea	Yes or No	Shin Dong-Yeob	tvN	2006	July 2007	₩100,000,000	Cases
Spain	¡Allá tú!	Jesús Vázquez Silvia Jato Arturo Valls	Telecinco	January 26, 2004	2008	€300,000 €600,000 €1,000,000	Boxes Cases (2006 special)
		Jesús Vázquez	Cuatro	January 10, 2011	November 4, 2011	€300,000	Boxes
			Telecinco	July 9, 2023	September 10, 2023	€250,000	Boxes
				December 25, 2023	present	€150,000	Boxes
Sri Lanka	Gando Nogando [5] [6]	Mahendra Perera	Sirasa TV	December 12, 2008	March 6, 2009	₨2,500,000	Boxes
Sweden	Deal or No Deal	Martin Timell	TV4	March 25, 2006	December 1, 2007	5,000,000Kr	Cases
	MiljonJakten [7]	Renée Nyberg	TV3	March 4, 2012	January 3, 2014	10,000,000Kr	Questions/Cases
	Deal or no Deal med Miljonjakten		TV4	November 18, 2014	December 22, 2014		Questions/Cases
Switzerland	Deal or No Deal – Das Risiko	Roman Kilchsperger	SF 1	September 1, 2004	September 29, 2010	CHF  250,000	Questions/Cases
Thailand	เอาหรือไม่เอา	Dom Hetrakul	ThaiTV 3	January 3, 2005	September 26, 2005	฿1,000,000	Cases
Tunisia	دليلك ملك Dlilek Mlek	Sami El Fihri	Tunisie 7	2005	2007	300,000 د.ت. 500,000 د.ت. 1,000,000 د.ت. 2,000,000 د.ت.	Boxes
			El Hiwar Ettounsi	June 29, 2014	June 25, 2017		Boxes
				January 29, 2018	June 2018		Boxes
Turkey	Trilyon Avı	Zafer Ergin	aTV	December 9, 2003	February 3, 2004	YTL  1,000,000	Questions/Cases
	Büyük Teklif	Halit Ergenç	Kanal D	June 5, 2006	2006	YTL  500,000	Cases
	Var mısın? Yok musun?	Acun Ilıcalı	Show TV	September 10, 2007	September 16, 2010		Boxes Cases (December 31, 2007 special)
		Asuman Krause	Fox	November 8, 2011	March 29, 2012	YTL  500,000	Boxes
		Ahmet Çakar	Show TV	September 11, 2013	2014
	Var Mısınız? Yok musunuz?	İlker Ayrık	Star TV	June 25, 2016	November 5, 2016	YTL 500,000	Boxes
Ukraine	Граєш чи не граєш? Hrayesh chy ne hrayesh?	Dmitriy Shepelev	TRK Ukrayina	March 7, 2010	December 19, 2010	₴1,000,000	Cases
United Kingdom	Deal or No Deal	Noel Edmonds	Channel 4	October 31, 2005	December 23, 2016	£250,000  stg.	Boxes
		Stephen Mulhern	ITV	November 20, 2023 [8]	present	£100,000	Boxes [9]
United States	Deal or No Deal	Howie Mandel	NBC	December 19, 2005	May 18, 2009	US$1,000,000	Cases
			NBCUniversal Television Distribution Syndication	September 8, 2008	May 28, 2010	US$500,000
			CNBC	December 5, 2018 [10]	August 7, 2019	US$1,000,000
	Deal or No Deal Island	Joe Manganiello [11]	NBC	February 26, 2024	TBD	TBD
	Vas o No Vas	Héctor Sandarti	Telemundo	October 8, 2006	May 26, 2007	US$250,000
Uruguay	Trato Hecho	Sebastián Abreu Maximiliano de la Cruz	Teledoce	October 28, 2019	February 17, 2021	U$1,000,000	Cases
	Trato Hecho Famosos	Maximiliano de la Cruz		January 14, 2020	August 12, 2020
	Trato Hecho Edición Familias	Lucía Rodríguez and Germán Medina		September 8, 2021	April 27, 2022
	Trato Hecho Edición Parejas			August 3, 2022	January 4, 2023
				July 4, 2023	present
Vietnam	Đi tìm ẩn số (part of TFS's Tạp chí Văn nghệ)	Thanh Bạch	HTV7	June 19, 2005	October 8, 2017	100,000,000Đ	Questions/Cases
	Những ẩn số vàng	Chí Trung	H1	September 10, 2006	2008	50,000,000Đ

1. Fridays from September 4 to October 2, 2020
2. September 28, 2020
3. Rises by €5,000 if not won.
4. VIP Special

The first German version, Die Chance deines Lebens hosted by Kai Pflaume did not have the case game as the final round (they played a trivia game instead). However this was the show the original "Deal or No Deal" version (the Dutch "Miljoenenjacht" hosted by Linda de Mol) was actually based on. Miljoenenjacht started in November 2000 and introduced the case game in December 2002 after a 15-month hiatus of the show.

Véronique Landry is the only model to appear on more than one version of the show, on both the French and English Canadian versions.^{[ citation needed ]} Howie Mandel, Héctor Sandarti, and Linda de Mol each have hosted multiple versions of the show: Mandel, with the American English and Canadian English versions, Sandarti with both the American Spanish and Mexican Spanish versions, and de Mol with both the Netherlands Dutch and German (in 2004) versions of the show. The UK version of Deal Or No Deal helped relaunch Noel Edmonds' career.

Unofficial versions

Country	Name	Hosts	Channel	Premiere date	End date	Top prize	Format
Albania	Kutia 21	Enkel Demi	ABC	November 1, 2021	June 17, 2022	€10,000	Boxes
Belize	Tek It or Leave It [12]	Angela Gegg	Channel 5	December 2, 2008	February 17, 2009	BZ$ 15,000	Boxes
Pakistan	Star Player	Fahim Khan	BOL Entertainment	January 1, 2020	May 31, 2020	Rs.10,000,000	Cases
Taiwan	齊天大勝 (孤注一擲) Who's the Winner (Topic: The Deal)	Jacky Wu	TTV	July 9, 2005	September 29, 2007	NT$1,000,000 NT$1,500,000	Cases
	平民大富翁 Yes or No	Dennis Nieh Jacky Wu	CTS	September 12, 2009	December 12, 2009	NT$500,000	Cases

Top prize winners

All amounts below the prizes are their equivalents in United States dollars at the time of their win.

Country	Name(s)	Date	Amount won	Previous offer	Other amount	Notes
Afghanistan گنجین/Ganjina	Mohammad Easa Sediqi	Prior to October 25, 2010	Af. 1,000,000 ($23,240)	Box Swap (declined)	Af. 2,500 ($58.10)	[13] [14] First top prize winner in Afghan history
	(unknown)	Prior to November 28, 2012	Af. 1,000,000 ($19,569)	Af. 342,000 ($6,693)	Af. 10,000 ($196)	[15] The banker first offered Af. 311,000, then Af. 342,000, then a chance to swap the boxes. All were declined. Rebroadcast June 5, 2013.
	(unknown)	Prior to June 6, 2013	Af. 1,000,000 ($18,484)	Af. 355,500 ($6,571)	Af. 30,000 ($555)	The banker first offered Af. 263,300, then Af. 355,500. Both were declined. Rebroadcast June 6, 2013.
Algeria ادي ولا خلي/Eddi Ouela Kheli	Mohamed Meziane	July 7, 2015	10,000,000 DA ($100,450)	3,200,000 DA ($32,144)	200 DA ($2.01)
	Khemisti Mohammed bin Sayeh	March 15, 2016	5,000,000 DA + 1,000,000 DA ($45,117 + $9,023)	177,000 DA ($1,597)	10,000 DA ($90.23)	[16] Won 5,000,000 DA from the box along with a 1,000,000 DA bonus.
Arab League Deal or No Deal	Abbas Hussein	May 5, 2006	$250,000	$71,000	$25,000	[17]
Argentina Trato Hecho	Martín	October 3, 2021	AR$2,000,000 ($20,262)	AR$1,000,000 ($10,131)	AR$400,000 ($4,052)	[18]
Australia Deal or No Deal	Dean Cartechini	June 17, 2004	A$200,000 ($137,384)	A$102,500 ($70,409)	A$5 ($3.43)	First top prize winner.
	Anh Do (celebrity)	September 19, 2007	A$200,000 ($167,238)	A$125,000 ($104,524)	A$75,000 ($62,714)	Second top prize winner. Money went to home viewer. The second celebrity (since David Graham) and the first to actually win the prize.
	Leanne Benbow	June 2, 2010	A$200,000 ($166,630)	A$115,000 ($95,812)	A$100,000 ($83,315)	The first woman (and the third) to win the top prize. Had the "Dream Finish" – the last 2 cases were the highest 2 in the game.
	Chris Doyle	August 23, 2011	A$200,000 ($208,014)	A$130,000 ($135,209)	A$100,000 ($104,007)	Last winner of the top prize before the series ends in 2013. Also had the "Dream Finish" – the last 2 cases were the highest 2 in the game.
Azerbaijan Davam Ya Tamam	Sevda	March 26, 2017	30,000 AZN ($17,595)	15,000 AZN ($8,798)	1 AZN ($0.59)	[19]
	Rashad	July 9, 2017	30,000 AZN ($17,627)	11,030 AZN ($6,481) (Case swap accepted)	1,500 AZN ($881)	[20]
Belize Tek It Or Leave It	Valerie Stevens	March 3, 2009	BZ$15,000 ($7,615)	(Unknown)	(Unknown)	[21]
Brazil Topa ou Não Topa	Paulo	April 2007	R$1,000,000 ($490,000)	R$444,000 ($218,000)	R$100 ($49)
Bulgaria Сделка или не Sdelka ili ne	Veneta Raykova (Венета Райкова) (celebrity)	February 2006	75,000 BGN ($46,000)	(unknown)	(unknown)
	(unknown)	December 8, 2006	100,000 BGN ($67,986)	(unknown)	5,000 BGN ($3,399)	[22]
	Niki Kitaetsa (Ники Китаеца) (celebrity)	September 18, 2007	100,000 BGN ($70,871)	40,000 BGN ($28,348)	1,000 BGN ($709)	[23]
	Sevil Saliev (Севил Салиев)	December 22, 2008	100,000 BGN ($71,179)	(unknown)	(unknown)	[24]
	Mariela Pepeldzhiyska (Мариела Пепелджийска)	January 23, 2012	100,000 BGN ($65,862)	Box Swap (accepted)	2,500 BGN ($1,647)	[25]
	Plevenchaninat Iskren (Плевенчанинът Искрен)	January 24, 2013	100,000 BGN ($67,988)	25,000 BGN ($16,997)	0.20 BGN ($0.14)	[26]
Cambodia ព្រម ឬមិនព្រម Prom Rer Min Prom	(Unknown)	February 2009	10,000,000 KHR ($2,410)	(unknown)	(unknown)	[27]
	(Unknown)	February 2009	10,000,000 KHR ($2,405)	(unknown)	750,000 KHR ($181)	[28]
Chile ¡Allá Tú!	Mauricio Hermosilla	May 4, 2007	CL$10,000,000 ($19,050)	CL$6,500,000 ($12,383)	CL$5,000,000 ($9,525)
	Farándula	August 29, 2007	CL$10,000,000 ($19,010)	Box Swap	CL$50,000 ($95.05)
Ecuador Trato Hecho	(unknown)	2006	$100,000	(unknown)	$2,500	[29]
Egypt لعبة الحياة Lebet el Hayat	Amal Mohammad	Prior to November 16, 2009	E£250,000 ($45,825)	(unknown)	E£0.50 ($0.09)
	Sameh	Prior to April 15, 2010	E£250,000 ($45,323)	(unknown)	E£0.50 ($0.09)
	Marwa Ali	Prior to September 3, 2010	E£500,000 ($87,660)	Box Swap	E£250 ($43.83)	[30]
Egypt ديل أور نو ديل: الإختيار Deal or no deal: El Ikhtiyar	Sibai Wahba	September 12, 2012	E£250,000 ($41,037)	Box Swap (accepted)	E£10,000 ($1,641)	[31]
France À prendre ou à laisser	Mylène	March 4, 2004	€500,000 ($609,850)	Box Swap (declined)	€100,000 ($121,970)	[32] [33]
	Éric	March 29, 2004	€500,000 ($605,900)	€240,000 ($290,832)	€10,000 ($12,118)	[34] The banker also offered box swap and €200,000.
	Françoise	April 6, 2004	€500,000 ($604,500)	€375,000 ($453,375)	€250,000 ($302,250)	[35]
	Fred	February 28, 2005	€500,000 ($662,850)	(unknown)	(unknown)
	Sabrina	November 29, 2005	€500,000 ($590,030)	€350,000 ($413,021)	€75,000 ($88,505)	The banker also offered €200,000 and €300,000; it is rare for a contestant to have more than one offer after a single round
	Marie-Ange Franceschi	January 23, 2009	€500,000 ($650,280)	€210,000 ($273,118)	€100,000 ($130,056)	[36]
	Sébastien	November 25, 2014	€100,000 ($124,240)	€31,000 ($38,514)	€10 ($12.42)	[37]
Georgia ვა-ბანკი Va-Bank	Rezo and Archil Arveladze (celebrities)	February 3, 2009	50,000 lari ($30,018)	25,000 lari ($15,009)	50 lari ($30.02)
Greece Deal	Georgia Kastrada (Γεωργία Καστράντα)	November 10, 2006	€200,000 ($256,702)	€80,000 ($102,681)	€1,000 ($1,284)	[38] Received €100,000, another half was received by a text winner
	Giorgos Gkantadakis (Γιώργος Γκανταδάκης)	April 6, 2017	€60,000 ($63,858)	€47,000 ($50,022)	€40,000 ($42,572)	[39]
	Argyris (Αργύρης)	December 11, 2018	€60,000 ($62,709)	€25,000 ($29,800)	€100 ($112)	[40] Argyris declined to buy Box 23, which would have doubled his winnings to €120,000.
	Ioannis (Ιωάννης)	December 13, 2021	€60,000 ($67,898)	€48,000 ($54,319)	€40,000 ($45,266)	[41]
Hungary Áll az alku	Szőke Sándor	May 23, 2006	50,000,000  Ft. ($238,000)	13,000,000 Ft. ($61,900)	6,000,000 Ft. ($28,600)	[42]
	Bereczki Máté	October 19, 2006	100,000,000 Ft. ($469,770)	9,500,000 Ft. ($44,630)	25,000 Ft. ($117)	[43]
	Csorba Árpád	April 26, 2010	21,000,000 Ft. ($106,680)	15,000,000 Ft. ($76,200)	13,000,000 Ft. ($66,040)	[44]
India Deal or No Deal	Ayushmann Khurrana (celebrity)	November 15, 2015	₹90,00,000 ($136,445)	₹70,00,000 ($106,124)	₹50,00,000 ($75,803)	His briefcase contained the top prize ₹1,00,00,000 but his winnings were reduced by 10% due to answering the final question wrong.
Italy Affari Tuoi	Roberto Pepi	February 4, 2004	€500,000 ($627,805)	€250,000 ($305,687)	€15,000 ($19,223)	[45]
	Francesca Madeddu	December 16, 2004	€500,000 ($671,175)	€300,000 ($402,705)	€25,000 ($33,559)	[46] [47]
	Clarissa Meneghini	December 19, 2007	€500,000 ($719,525)	€170,000 ($244,639)	€30,000 ($43,172)	[48]
	Danilo Anderlini	September 17, 2008	€500,000 ($714,575)	€170,000 ($242,956)	€30,000 ($42,875)	[48] [49]
	Francesca Cataldo	October 22, 2008	€500,000 ($666,895)	€185,000 ($230,408)	€30,000 ($40,014)	[50]
	Roberto Caterina	November 23, 2008	€500,000 ($629,450)	€375,000 ($472,088)	€250,000 ($314,725)	[51]
	Mara Ancelotti	January 1, 2009	€500,000 ($707,045)	€375,000 ($530,284)	€250,000 ($353,523)	[52]
	Stefania Menegazzo	February 23, 2010	€500,000 ($680,020)	€104,000 ($141,444)	Maghetto	[53]
	Gabriele Calvello	March 17, 2012	€1,000,000 ($1,317,440)	€313,000 ($412,359)	€0.20 ($0.26)	[54] The top prize was originally €500,000 as usual, but was doubled during the game when the player opened Pacco Matto (crazy box) and found Raddoppia (double).
	Mauro Ghiraldini	November 21, 2012	€500,000 ($640,625)	€150,000 ($192,188)	€30,000 ($38,438)	[55]
	Patrizia Montalbano	January 25, 2013	€500,000 ($668,467)	€350,000 ($467,927)	€250,000 ($334,234)	[56]
	Pierangela Zaccaria	May 29, 2014	€500,000 ($682,054)	€172,000 ($234,626)	€100 ($136)	[57] Also won a €1,000 Provaci bonus.
	Alberto Bindi	May 17, 2016	€500,000 ($564,512)	€375,000 ($423,384)	€250,000 ($282,256)	[58]
	Alessandro Corona	February 22, 2017	€500,000 ($528,650)	€200,000 ($211,460)	€100,000 ($105,730)
Malta Deal or No Deal Malta	Maria (Doris) Abela	October 17, 2008	€25,000 ($33,601)	€19,500 ($26,209)	€15,000 ($20,160)
Mexico Vas o No Vas	Elena	June 11, 2005	Mex$5,000,000 ($460,050) (Saturday)	(unknown)	(unknown)
	Luis	December 6, 2005	Mex$1,000,000 ($95,360) (weekday)	(unknown)	(unknown)
	Laura	March 2, 2006	Mex$1,000,000 ($95,580) (weekday)	Mex$700,000 ($66,906)	Mex$400,000 ($38,232)
	Paty	June 3, 2006	Mex$1,000,000 ($88,130) (weekday)	Mex$550,000 ($48,472)	Mex$100,000 ($8,813)
Mexico ¿Te la juegas?	María	June 13, 2020	Mex$1,000,000 ($44,940)	Mex$725,000 ($32,582)	Mex$500,000 ($22,470)
	Javo	July 4, 2020	Mex$1,000,000 ($44,670)	Mex$303,000 ($13,535)	Mex$50,000, Mex$250,000 and 1 other Mex$1,000,000 ($2,234, $11,168 and $44,670)
Malaysia (in English) Deal or No Deal Malaysia	Timothy Shim	March 2, 2008	RM100,000 ($31,307)	RM 50,800 ($15,904)	RM 250 ($78.27)
Myanmar Deal or No Deal	Min Thu Rein (မင်းသူရိန်)	March 16, 2015	Ks.20,00,000 ($1,930)	Ks.7,90,000 ($762)	Ks.2,00,000 ($193)	Rebroadcast March 31, 2015.
Netherlands Miljoenenjacht Deal or No Deal	Arno Woesthoff	September 2, 2001	fl.10,000,000 (€4,537,802) ($4,142,220)	Format not yet introduced [note 1]		Woesthoff was the biggest winner in worldwide game show history at the time of the show's airing; he would hold the record for almost 13 years until it was broken by Brad Rutter in 2014.
	Eelco Schumacher	April 2, 2009	€250,000 ($331,468)	€170,000 ($225,398)	€125,000 ($165,734)
Peru Trato Hecho/Vas o No Vas	Licet	October 14, 2016	S/.20,000 ($5,877)	Box Swap (accepted)	S/.7,500 ($2,204)	[59]
Philippines Kapamilya, Deal or No Deal	Terry Lim Cua	December 29, 2006	P2,000,000 ($40,740)	P1,400,000 ($28,518)	P1,000,000 ($20,370)	Cua was the only contestant to win P2,000,000 or more on the Filipino version.
	Aiko Melendez and Candy Pangilinan (celebrities)	November 25, 2008	P1,000,000 ($20,220)	P345,001 ($6,976)	P10 ($0.20)	Christmas Edition (5 P1,000,000 cases)
	Jhaphet Flordeliza	December 1, 2008	P1,000,000 ($20,400)	P150,000 ($3,060)	P50 ($1.02)
	Arnel Pineda (celebrity)	December 11, 2008	P1,000,000 ($20,570)	P249,999 ($5,142)	P200 ($4.11)
	Bearwin Meily (celebrity)	March 23, 2015	P1,000,000 ($22,312)	P614,000 ($13,700)	P100,000 ($2,231)
	Ara Mina (celebrity)	April 17, 2015	P1,000,000 ($22,626)	P355,000 ($8,032)	P100 ($2.26)
	Joyce E. Bernal and Bela Padilla (celebrities)	August 14, 2015	P1,000,000 ($21,656)	P699,000 ($15,138)	P400,000 ($8,662)
	Kaye Abad and Nikki Valdez (celebrities)	September 7, 2015	P1,000,000 ($21,281)	P510,000 ($10,853)	P50,000 ($1,064)
	Janine Tugonon (celebrity)	January 8, 2016	P1,000,000 ($21,164)	P650,000 ($13,757)	P300,000 ($6,349)
Serbia Uzmi ili ostavi	Vidoje	October 19, 2007	RSD  1,500,000 ($24,475)	RSD 615,000 ($10,035)	RSD 500,000 ($8,158)
South Africa Deal or No Deal	Siyabongo Ngqola	March 17, 2023 [note 2]	R250,000 ($13,616)	R135,000 ($7,352)	R500 ($27.23)	[60]
South Korea Yes or No	Lee Chang-geun (이창근)	June 23, 2007	₩100,000,000 ($107,750)	₩45,000,000 ($48,488)	₩30,000,000 ($32,325)	[61]
Spain ¡Allá tú!	Gilbert	June 19, 2007	€600,000 ($804,018)	€240,000 ($321,607)	€1,500 ($2,010)	Received €300,000; another half was received by an SMS winner.
	María del Carmen Bonilla	July 25, 2011	€300,000 ($431,622)	€29,999 ($43,161)	€20 ($28.77)	[62]
Switzerland Deal or No Deal – Das Risiko	Peter Meier	June 9, 2010	CHF  250,000 ($216,143)	CHF 125,000 ($108,071)	CHF 10,000 ($8,646)	[63]
Tunisia دليلك ملك	Mohamed Mabrouk	March 22, 2006	TND  300,000 ($221,706)	(unknown)	(unknown)	[64] [65] [66] [67] Each winner shared the prize with an SMS participant.
	Mohamed Bashir Menchari	November 13, 2006	TND 500,000 ($379,765)	(unknown)	(unknown)
	Marbrouk	September 13, 2007	TND1,000,000 ($792,390)	(unknown)	TND 500,000 ($396,195)
	Aichoucha	June 13, 2017	TND 2,000,000 ($813,960)	TND 1,100,000 ($447,678)	Joke prize	The banker also offered 200,000 dinars ($81,396), which was refused. The winner also shared the prize with an SMS participant. [67]
Turkey Var mısın? Yok musun?	Ülkühan Yılmaz	October 24, 2009	TL  500,000 ($339,790)	TL 128,000 ($86,986)	TL 20,000 ($13,591)
United Kingdom Deal or No Deal	Laura Pearce	January 7, 2007	£250,000 ($482,625)	£45,000 ($86,873)	£3,000 ($5,792)	Pearce was the first top prize winner on the UK version.
	Alice Munday	March 12, 2009	£250,000 ($344,678)	Banker's Gamble (box swap declined)	1p ($0.014)	Munday initially dealt at £17,500 but was offered the Banker's Gamble when the 1p and £250,000 were remaining. She accepted the gamble, which forfeited the offer and brought the game back into live play.
	Suzanne Mulholland	May 13, 2011	£250,000 ($407,055)	£165,000 ($268,656) (box swap accepted)	£100,000 ($162,822)	Mulholland also won an additional prize of a 2-week holiday in Florida as part of "Banker's Birthday" special.
	Tegen Roberts	September 22, 2011	£250,000 ($387,735)	£77,000 ($119,422)	£20,000 ($31,019)	Tegen had the strongest board ever after round 3 to the end of the show; a staggering £560,250.60 was still in play after 10 boxes had been opened.
	Nong Nig Ham Nam	August 5, 2012	£250,000 ($390,932)	£68,000 ($106,334)	£5 ($7.82)
	Patrick "Paddy" Roberts	August 12, 2013	£250,000 ($386,700)	£140,000 ($216,622)	£75,000 ($116,010)	Paddy was the first male top prize winner on the UK version.
	Roop Singh	February 12, 2014	£250,000 ($414,528)	£46,000 ($76,273)	£500 ($829)	Singh declined to buy Box 23, which would have doubled his winnings to £500,000.
	Ann Crawford	October 15, 2015	£250,000 ($387,438)	£64,000 ($99,184)	50p ($0.77)	Crawford declined to buy Box 23, which would have reduced her winnings to £0.
	Vikki Heenan	December 23, 2016	£250,000 ($306,735)	£66,666 ($81,795)	£750 ($920)	The episode that contains Heenan's win was the final episode of the original run of the UK version. [68]
United States Deal or No Deal	Jessica Robinson	September 1, 2008	$1,000,000	$561,000	$200,000	[69] Robinson was the first top prize winner on the American version. Million Dollar Mission game (5 $1,000,000 cases)
	Tomorrow Rodriguez	October 29, 2008	$1,000,000	$677,000	$300 and 3x $1,000,000	[70] The final offer of $677,000 (which Rodriguez declined) was given when there were five cases remaining. Million Dollar Mission game (9 $1,000,000 cases)
Uruguay Trato Hecho Edición Parejas	Natalia Cucurullo and Gastón Saldombide	August 17, 2022	U$1,000,000 ($24,929)	U$420,000 ($10,470)	U$30,000 ($748)	[71]
Vietnam Đi tìm ẩn số [note 3]	(unknown)	Before October 2005	50,000,000Đ ($3,159)	25,998,000Đ ($1,643)	1Đ ($0,0000632)	First Asian winner. The other case contained the lowest value worldwide. [72]
	Thanh Xuân	February 14, 2010	100,000,000Đ ($4,808)	?	?	She appeared on an 2012 special episode as the friend of contestant Hồng Hạnh. Her winner was mentioned in this episode.
	Lê Bình (celebrity)	October 9, 2011	100,000,000Đ ($4,808)	75,411,000Đ ($3,626)	50,000,000Đ ($2,404)	First known celebrity winner. His last 2 cases were the highest 2 in the game. [73]
	Nguyễn Thụy Minh Trang	July 15, 2012	100,000,000Đ ($4,801)	40,010,000Đ ($1,921)	25,000Đ ($1.20)	First known female winner. [74]
	(unknown)	2014	100,000,000Đ ($4,671)	?	?
	(unknown)	August 2015	100,000,000Đ ($4,660)	?	?
	Nguyễn Thị Đào	February 28, 2016	100,000,000Đ ($4,459)	26,100,000Đ ($1,164)	20,000,000Đ ($892)	[75]
	Giáng Tiên (celebrity)	September 3, 2017	100,000,000Đ ($4,400)	18,340,000Đ ($807)	75,000Đ ($3.30)	Last top prize winner before the series concluded in 2017. Second celebrity winner. [76]

1. Arno Woesthoff was on Miljoenenjacht when the bonus round consisted of seven questions that could add up to 10,000,000 guilders (based on the German game show "Die Chance deines Lebens") instead of the case game, which is why there were no other amounts.
2. Most recent top prize winner in the Deal or No Deal franchise to date.
3. The Vietnamese version has 10 top prize winners. 7 are shown here. The other 3 were missing.

At the other end of the spectrum, in the UK edition broadcast on December 7, 2009, a contestant named Corinne opened her box to reveal (and thus win) 1p, having turned down first an offer of £88,000 and then an offer to swap boxes, which would have given her the top £250,000 prize. A similar event occurred on the U.S. version on August 25, 2008, where contestant Koshka Blackburn won $5,000 which was in her case after turning down the banker's offer of $530,000 and then the option to switch cases, which would've made her the first $1,000,000 winner. Also in the U.S. on September 22, 2006, Michelle Falco kept in $750,000 and $1,000,000 in play all the way to the end, she turned down the biggest offer of $880,000 and refused to switch her case, in her case was $750,000. She also would have been the first $1,000,000 winner had she switched cases. And again, in the U.S. on October 22, 2008, contestant Richie Bell won $1 which was in his case after rejecting the final offer of $416,000 and the option to switch cases, which would've made him the second $1,000,000 winner. Richie also won an additional $10,000 after completing the "Banker's Challenge" minigame, thus making his total winnings $10,001. Had he had switched, he would have won $1,010,000. Many other contestants around the world would have won the top prize if they had swapped their box/case.

Basis and antecedents

The game show has attracted attention from mathematicians, statisticians, and economists as a natural decision-making experiment. In 2008 a team of economists analyzed the decisions of people appearing in Dutch, German and U.S. episodes and found, among other things, that contestants are less risk-averse or even risk-seeking when they saw their expected winnings drop. ^[77] They went so far as to say that the show, "almost appears to be an economics experiment rather than a TV show." ^[78] They found that contestants behave similarly in different versions of the show, despite large differences in the amounts at stake; amounts appear to be evaluated in relative terms, for example in proportion to the initial average, and not in terms of their absolute monetary value. ^[79] The research received a great deal of media attention, appearing on the front page of The Wall Street Journal ^[80] and being featured on National Public Radio. ^[81] This work was built upon by de Roos and Sarafidis, who analysed the Australian version of the show and determined that the risk-taking behaviour of a number of contestants would be inconsistent within each game (i.e. their aversion to risk would change), depending on the state of play and relative risk aversion of their confidant on the show. ^[82]

Australian Deal or No Deal contestants are selected "on the basis of being 'outgoing', but there is no screening of contestants on the basis of their risk preferences". ^[82] It is thought that other versions may screen contestants for being amicable to risk-taking behaviour.

Despite its air of originality and huge international success—there are more than 60 versions worldwide—there have been, in fact, numerous antecedents to the current run of shows. The first was the It's in the Bag, a New Zealand radio game show invented by Selwyn Toogood which began in the 1950s and which ran for decades after it was later adapted for television (1970s–90s). The show popularized the catch-phrases, "By hokey," and "What will it be, customers—the money or the bag?" in New Zealand. Similarly, in the 1950s, the UK TV show Take Your Pick offered contestants the choice of taking a money offer or risking opening a box. Later, in the 1980s, The Bong Game, a radio call-in show created by UK's Capital FM, tested contestants by offering them increasing returns in tandem with increasing risk.

Another long-running game show, Let's Make a Deal, involved contestants deciding whether or not to take offers based on what may or may not be behind a curtain/door or inside a box. Let's Make a Deal ran in the U.S. for nearly three decades from 1963 to 1991, during which time Monty Hall was the program's "Big Dealer," and was revived in 2009 with Wayne Brady as the Big Dealer. Also in the U.S., in the 1970s and 1980s, was a game show called Treasure Hunt, hosted by Geoff Edwards and produced by Chuck Barris's company, which featured a similar concept to Deal or No Deal. The show featured contestants selecting a treasure chest or box with surprises inside in the hope of winning large prizes or a cash jackpot. Both game shows, however, also featured worthless or nearly-worthless joke prizes, which Let's Make a Deal called "zonks" and which Treasure Hunt called "klunks." Deal or No Deal does not feature such joke prizes in the US version but does in many international versions. Finally, from 1997 to 2003, Win Ben Stein's Money pitted contestants against an in-house adversary.

Methodology used by "The Bank"

Several theories concern the methodology "The Bank" uses to determine the appropriate bank offer. This is a secret held by the various publishers around the world, however several people have approximated the algorithm with various levels of accuracy.^{[ citation needed ]} In most variations of the format, the Bank does not know the contents of the briefcase, and therefore the Monty Hall Problem does not apply to the probability calculations, but this varies from country to country.^{[ citation needed ]}

Statistical studies of the US version of the show were undertaken by Daniel Shifflet in 2011, and showed a linear regression of bank offers against expected value. ^[83] In summary, Shifflet found that in the syndicated 30-minute version of the show the bank would offer a percentage of the expected value (EV) of the remaining cases, and this percentage increased linearly from approximately 37% of EV at the first offer to approximately 84% of EV at the seventh offer. This version of the program also allowed players to ‘hypothetically’ play out the remainder of the game from the point where they accepted the bank's offer, and Shiffler noted that the hypothetical bank offers were significantly higher than real bank offers at equivalent points in the game.

Video games

• Innovative Concepts in Entertainment developed an arcade redemption adaptation of the show, where instead of prize money, players could win tickets. ^[84]
• The U.K. version of Deal or No Deal was converted into a mobile game by Gameloft and featured the same rules and format as the TV show. The game was so well-received that versions of it were developed for other countries as well. ^[85] Its international success landed it on the top-sellers list. ^[86]
• Affari tuoi , the Italian version of the format, was converted into a videogame for the Nintendo DS by the same name.
• Almost all major formats of the game were converted into games for various gaming consoles, the PC, Macromedia Flash, and even a dedicated electronic handheld game.
• Various online gambling and gaming sites have adapted the Deal or No Deal concept for their games. ^[87]

Online gambling

The Deal or No Deal television game show, based on the original Dutch Miljoenenjacht (Hunt for Millions), was introduced to the world by Endemol. The popular format, which requires the contestant to choose from 26 boxes or cases to reveal cash values, grew in popularity and eventually made its way into the online gambling industry as a result of the 2009 partnership between Playtech's Virtue Fusion and Endemol Games.

Online Bingo licensees of Virtue Fusion, previously acquired by Playtech, introduced DOND themed 75-ball and 90-ball rooms in addition to a slot game based on the game show, scratch cards and the launch of a new bingo brand named after the game show, Deal or No Deal Bingo.

Online gamblers experience the show's concept when securing a Full House win in the themed bingo rooms. The winner or winners enter a round of negotiations with the banker where they must make the ultimate decision, Deal or No Deal. The sense of community, often embraced by bingo players, is called upon as they assist the winner in determining the best option by commenting in the room's chat section. The Community Jackpot is divided among the Full House winner (50%) and all game participants (50%).

In February 2016, Playtech announced the renewal of its licensing agreement with Endemol UK, which will see the availability of DOND licensed online products continue for an additional three years. Under this contract, Playtech is granted exclusive rights to deliver these themed games to the UK market. ^[88]

The range of DOND games are available at Virtue Fusion powered bingo brands such as bet365, Gala Bingo, Ladbrokes, Mecca Bingo and William Hill.

See also

• Game Theory Analysis of Deal Or No Deal
• List of television show franchises

References

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External links

• Deal or No Deal at IMDb