Valve Corporation, also known as Valve Software, is an American video game developer, publisher, and digital distribution company headquartered in Bellevue, Washington. It is the developer of the software distribution platform Steam and the game franchises Half-Life, Counter-Strike, Portal, Day of Defeat, Team Fortress, Left 4 Dead, and Dota.
Source is a 3D game engine developed by Valve. It debuted as the successor to GoldSrc in 2004 with the releases of Half-Life: Source, Counter-Strike: Source, and Half-Life 2. It is most well-known for its usage by Valve, but the engine has been used both by small teams and individuals to create modifications of Valve games, and other studios creating distinct games, notably Troika Games' title Vampire: The Masquerade – Bloodlines. Valve continued to create incremental updates to the Source engine after its 2004 release, most of which coincided with games created by Valve. In the late 2010s, Valve created the Source 2 engine to replace Source, with it publicly debuting alongside Half-Life: Alyx. The Source engine is most well-known for its advancements in physics, AI, and graphics.
Serious Sam: The First Encounter is a 2001 first-person shooter game developed by Croteam and published by Gathering of Developers. It is the first in the Serious Sam series. The game follows the soldier Sam "Serious" Stone, who is sent back in time to ancient Egypt in 1378 BCE to uncover information about the technologically advanced civilisation of the Sirians that could help humanity survive the attacks of extraterrestrial forces in the 22nd century. As Sam, the player traverses linear levels, either enclosed or set on open plains, and battles increasingly large waves of enemies with an expanding arsenal. During gameplay, the player can pick up new weapons and replenishment for ammunition and health, as well as review strategic information. In multiplayer, the game has two deathmatch modes and cooperative play for the single-player campaign.
Serious Sam: The Second Encounter is a 2002 first-person shooter game developed by Croteam and published by Gathering of Developers. It is the successor to Serious Sam: The First Encounter and the second game in the Serious Sam series. Taking place immediately after The First Encounter, it follows the soldier Sam "Serious" Stone, whose spaceship crashes back to Earth on his way from ancient Egypt to Sirius, requiring him to seek the Holy Grail to continue his journey. As Sam, the player traverses linear levels, either enclosed or set on open plains, and battles increasingly large waves of enemies with an expanding arsenal. The gameplay builds on that of The First Encounter while adding additional weapons, more enemy types, and platforming elements, and additionally contains the Seriously Warped Deathmatch mod by A Few Screws Loose.
Croteam is a Croatian video game developer based in Zagreb. The company was established by Davor Hunski, Damir Perović, Roman Ribarić and Dean Sekulić, four former classmates, in late August 1992. Croteam is best known for Serious Sam, a series of first-person shooters introduced with Serious Sam: The First Encounter in 2001. The company also developed the 2014 puzzle game The Talos Principle and its 2023 sequel The Talos Principle 2. Croteam employed approximately 40 people in 2020 and was acquired by its long-time publishing partner Devolver Digital in October that year.
Serious Sam 2 is a first-person shooter video game released for Microsoft Windows and Xbox and the sequel to the 2002 video game Serious Sam: The Second Encounter. It was developed by Croteam and was released on 11 October 2005. The game was initially published by 2K Games, a Take-Two Interactive subsidiary. The game was later made available on Steam on 31 January 2012. While the game was originally released only for Microsoft Windows and Xbox, an unofficial Linux version of the game was created and is being handled by Linux Installers for Linux Gamers.
Football Glory is a 1994 football video game developed by Croteam and published by Black Legend. One or two players compete in football matches viewed from a top-down perspective and modelled after one of six leagues and cups. The players can perform various moves, including tackles and bicycle kicks, and view instant replays of highlights. The pitch is occasionally invaded by dogs, streakers, hooligans, and police.
UNIGINE is a proprietary cross-platform game engine developed by UNIGINE Company used in simulators, virtual reality systems, serious games and visualization. It supports OpenGL 4, Vulkan and DirectX 12.
Serious Sam Advance is a 2004 first-person shooter game developed by Climax London and published by Global Star Software for the Game Boy Advance. A spin-off in the Serious Sam series, the game has the player control Sam "Serious" Stone through confined levels—first in ancient Egypt, then in ancient Rome—defeating varying enemies using an assortment of weapons. Serious Sam Advance was developed by Climax London, a studio of former Crawfish Interactive developers, using ray casting technology. Global Star Software announced the game in January 2004 and released it in April. Serious Sam Advance received mixed reviews, with praise for its weapons, enemies, level design and sound effects, conflicting opinions about its graphics, and criticism for its controls and frame rate issues.
Michael S. Wilson is an American business executive, video game producer, and film-maker. Beginning his career at DWANGO as Vice President of Development before being hired to lead marketing and publishing at id Software in 1995, Wilson has subsequently co-founded multiple independent video game publishers, including Gathering of Developers, Gamecock Media Group, Devolver Digital, Good Shepherd Entertainment, and DeepWell DTx.
Ryan C. Gordon is a computer programmer and former Loki Software employee responsible for icculus.org, which hosts many Loki Software projects as well as others. Gordon's site hosts projects with the code from such commercial games as Duke Nukem 3D, Shadow Warrior, Quake III Arena and other free and open source projects for multiple platforms.
Serious Sam: Next Encounter is a 2004 first-person shooter game developed by Climax Solent and published by Global Star Software. As a spin-off in the Serious Sam series, it follows Sam "Serious" Stone, who tracks an unidentified enemy through ancient Rome, feudal China and Atlantis, and eliminates the forces the enemy controls to eventually uncover their identity. The player controls Sam through enclosed levels, fighting waves of enemies with an assortment of weapons and, occasionally, vehicles. Defeating enemies is a prerequisite to advance in a level and killing twenty in rapid succession temporarily grants a strength, speed and score boost in a "Super Combo". Two players can complete the campaign cooperatively and up to eight can engage in versus modes.
Serious Sam 3: BFE is a first-person shooter video game developed by Croatia-based indie development studio Croteam and published by Devolver Digital. It is part of the Serious Sam series and the prequel to the 2001 video game, Serious Sam. The game takes place in 22nd-century Egypt, during Mental's invasion of Earth, as implied in The First Encounter. The game features a 16-player online, as well as a 4-player splitscreen co-op campaign mode. The game was first released for Microsoft Windows on 22 November 2011. The OS X support for the game followed shortly after and was released on 23 April 2012. The Linux version of the game started being worked on after a high number of requests, where the first Linux-related update was the porting of the game's dedicated server. The game itself, however, was released one day after Valve opened the beta branch for "Steam for Linux", namely on 20 December 2012.
Devolver Digital, Inc. is an American video game publisher based in Austin, Texas, specializing in the publishing of indie games. The company was founded in June 2009 by Nigel Lowrie, Harry Miller, Graeme Struthers, Rick Stults, and Mike Wilson, five executives who had been involved with Gathering of Developers and Gamecock Media Group, which published games on developer-friendly terms, but due to the high cost associated with releasing retail games saw themselves acquired and dissolved by larger companies. To avoid this, Devolver Digital instead turned to digital distribution channels.
The Talos Principle is a 2014 puzzle video game developed by Croteam and published by Devolver Digital. It was simultaneously released on Linux, OS X and Windows in December 2014. It was released for Android in May 2015, for PlayStation 4 in October 2015, for iOS in October 2017, for Xbox One in August 2018, and Nintendo Switch in December 2019. Virtual reality-enabled versions for the Oculus Rift and HTC Vive were released on 18 October 2017. A DLC entitled Road to Gehenna was released on 23 July 2015.
Serious Sam VR: The Last Hope is a 2017 first-person shooter game for virtual reality (VR) developed by Croteam VR and published by Devolver Digital. One or two players fight waves of enemies, including bosses, across five thematic planets. The enemies approach from a 180° field and the player can use dual-wielded weapons while moving across a limited space. To develop The Last Hope and experiment with other VR implementations, Croteam VR was established as a specialised division of Croteam. Devolver Digital announced the game at E3 in June 2016 and launched it in early access that October. After several updates, it was released in September 2017 for Windows with compatibility for the HTC Vive and Oculus Rift VR headsets. The Last Hope received mostly positive reviews, with post-release reception lauding the game's gameplay and visuals while criticising difficulty spikes and issues with the online multiplayer mode.
Serious Sam's Bogus Detour is a 2017 twin-stick shooter game developed by Crackshell and published by Devolver Digital. One to four players traverse levels set in Egypt, Greece, and on the Moon, collecting weapons to be used against waves of enemies placed throughout the open areas. Character upgrades can be purchased using stars, which can be found within levels or obtained through experience points gained by killing enemies. Deathmatch and survival modes can be played with up to twelve players.
I Hate Running Backwards is a 2018 shoot 'em up game developed by Binx Interactive and published by Devolver Digital. One or two players traverse procedurally generated levels using several characters, including Sam "Serious" Stone, the protagonist of the Serious Sam series. The screen scrolls vertically as the player character runs backwards through a partially destructible environment and battles enemies approaching from the bottom of the screen. The player can use two weapons, a melee attack, and an "ultimate" ability that requires the prior defeat of several enemies.
Serious Sam: Tormental is a 2022 twin-stick shooter and rogue-lite game developed by Gungrounds and published by Devolver Digital. One or two players traverse procedurally generated levels across several stages set in the mind of Mental, the antagonist of the Serious Sam series. They use two weapons each, of which the primary weapon can be enhanced through "mods" found throughout the game. The unlockable player characters can perform dodge rolls and a unique special ability. Upon the player character's defeat, the player is reset to the start of the game. After completing all stages, the players can use black keys to unlock power-ups from a vault. The stages then loop with increasing difficulty.
