Knuckles the Echidna is a character from Sega's Sonic the Hedgehog series. He is a red anthropomorphic short-beaked echidna who is Sonic's secondary best friend and former rival. Determined and serious, but sometimes gullible, he fights his enemies using brute force and strength. His role is established as the guardian of the Master Emerald, a large gemstone which controls the series' integral Chaos Emeralds, and is the last living member of his tribe, the Knuckles Clan.
Sonic Heroes is a 2003 platform game developed by Sonic Team USA and published by Sega as part of the Sonic the Hedgehog series. The player races a team of series characters through levels to amass rings, defeat robots, and collect the seven Chaos Emeralds needed to defeat Doctor Eggman. Within each level, the player switches between the team's three characters, who each have unique abilities, to overcome obstacles. Sonic Heroes downplays the action-adventure and exploration-based gameplay of its predecessors Sonic Adventure (1998) and Sonic Adventure 2 (2001) in favor of returning to the linear style of Sega Genesis-era Sonic games.
Sonic Adventure 2 is a 2001 platform game developed by Sonic Team USA and published by Sega for the Dreamcast. It features two good-vs-evil stories: Sonic the Hedgehog, Miles "Tails" Prower, and Knuckles the Echidna attempt to save the world, while Shadow the Hedgehog, Doctor Eggman, and Rouge the Bat attempt to conquer it. The stories are divided into three gameplay styles: fast-paced platforming for Sonic and Shadow, third-person shooting for Tails and Eggman, and action-adventure exploration for Knuckles and Rouge. Like previous Sonic the Hedgehog games, the player completes levels while collecting rings and defeating enemies. Outside the main gameplay, they can interact with Chao, a virtual pet, and compete in multiplayer battles.
Sonic X is a Japanese anime television series based on Sega's Sonic the Hedgehog video game series. Produced by TMS Entertainment under partnership with Sega and Sonic Team, and directed by Hajime Kamegaki, Sonic X initially ran for 52 episodes, broadcasting on TV Tokyo from April 2003 to March 2004. A further 26 episodes aired in North America, Europe, and the Middle East from 2005 to 2006. The American localization and broadcasting were handled by 4Kids Entertainment, which edited it and created new music.
Sonic Advance is a 2001 platform video game developed by Sonic Team and Dimps and published by Sega for the Game Boy Advance. It was the first Sonic the Hedgehog game to be released on a Nintendo console with Sonic Adventure 2: Battle on the GameCube, and was produced in commemoration of the series' tenth anniversary. The story follows Sonic, Tails, Knuckles, and Amy as they journey to stop Doctor Eggman from taking over the world. Controlling a character, players are tasked with completing each level, defeating Eggman and his robot army, and collecting the seven Chaos Emeralds.
Sonic Advance 2 is a 2002 platform game developed by Dimps and published by Sega for the Game Boy Advance. It is an installment in the Sonic the Hedgehog series and the sequel to 2001's Sonic Advance. The story follows Sonic as he sets out to save his friends and retrieve the seven magical Chaos Emeralds from Dr. Eggman. Gameplay consists of the player completing various levels as one of five characters, each with their own unique attributes. After each zone is completed, the player faces Dr. Eggman in a boss battle.
Sonic Battle is a 2003 beat 'em up video game developed by Sonic Team and published by Sega for the Game Boy Advance. It is the second fighting game in the Sonic the Hedgehog series, the first game being Sonic the Fighters. It was released in Japan in December 2003 and in North America and Europe in early 2004. The game received an indifferent response from critics.
Sonic Rush is a 2005 platform game developed by Sonic Team and Dimps for the Nintendo DS as part of Sega's Sonic the Hedgehog series. It was released on November 15, 2005, in North America, November 18 in the PAL region, and November 23 in Japan, and was the final game in the mainline Sonic series to be produced by Yuji Naka before his departure from Sega. It was the first Sonic game with the English 4Kids cast, instead of the cast first seen in Sonic Adventure. It is a 2D platform game, similar to earlier games in the series like Sonic Advance, as well as later ones like Sonic Mania. Levels in the game are side-scrolling and displayed using both of the DS's screens. However, boss battles, the main characters, and a special stage are rendered in 3D, creating a 2.5D effect. The game's storyline follows the intertwining adventures of the series' main character, Sonic the Hedgehog and a new character, Blaze the Cat. They respectively battle Doctor Eggman and his doppelgänger Eggman Nega at certain points.
Shadow the Hedgehog is a 2005 platform game developed by Sega Studios USA and published by Sega. It is a spin-off from the Sonic the Hedgehog series starring the character Shadow. It follows the amnesiac Shadow's attempts to learn about his past during an alien invasion. Gameplay is similar to previous Sonic games, featuring fast-paced platforming and ring collecting, but introduces third-person shooter and nonlinear elements. Shadow uses a variety of weapons to defeat enemies and complete missions that determine the plot and playable levels.
Sonic Advance 3 is a 2004 platform game developed by Sonic Team and Dimps and published by Sega for the Game Boy Advance. It is part of the Sonic the Hedgehog series, and the sequel to Sonic Advance 2. The game stars the characters Sonic, Tails, Knuckles, Amy, and Cream as they seek to keep Doctor Eggman and his robot assistant Gemerl from building empires on each of seven chunks Eggman has divided the Earth into.
Sonic Riders is a racing video game developed by Sonic Team and Now Production and published by Sega for the GameCube, PlayStation 2, and Xbox. In the game, the player controls characters from the Sonic the Hedgehog series on hoverboards and competes against opponents—either controlled by computers or other players—in races and battles. The game was released in February 2006 in Japan and North America, with a European release following the next month and a Windows version at the end of the year. A Game Boy Advance version developed by Backbone Entertainment was canceled.
Sonic the Hedgehog is a 2006 platform game developed by Sonic Team and published by Sega. It was produced in commemoration of the Sonic series' 15th anniversary and as a reboot for seventh-generation video game consoles. Players control Sonic, Shadow, and the new character Silver, who battle Solaris, an ancient evil pursued by Doctor Eggman. Each playable character has his own campaign and abilities, and must complete levels, explore hub worlds and fight bosses to advance the story. In multiplayer modes, players can work cooperatively to collect Chaos Emeralds or race to the end of a level.
Sonic Rivals is a 2006 action-racing video game developed by Backbone Entertainment and Sega Studio USA, and published by Sega for the PlayStation Portable (PSP); it is a game in the Sonic the Hedgehog series, and follows the heroes needing to stop Doctor Eggman Nega from turning everyone and the world into cards. The gameplay involves racing against other characters to get to the goal before them, as well as defeating the boss before the opponent does.
Sonic Rush Adventure is a 2007 platform game developed by Dimps and Sonic Team and published by Sega for the Nintendo DS. The sequel to 2005's Sonic Rush, it follows Sonic the Hedgehog and Tails, who are teleported to an alternate dimension and seek the help of Blaze the Cat, while battling a band of robot pirates. Gameplay is similar to prior installments in the Sonic the Hedgehog franchise, with players controlling Sonic or Blaze through a series of side-scrolling levels while collecting rings and defeating enemies. Sonic Rush Adventure deviates from prior games with its elements of sea travel, featuring boating minigames that take advantage of the DS's touchscreen.
Doctor Ivo"Eggman"Robotnik is a character created by the Japanese game designer Naoto Ohshima. He is the main antagonist of Sega's Sonic the Hedgehog franchise. Eggman is a mad scientist who seeks to steal the mystical Chaos Emeralds, defeat Sonic the Hedgehog, and conquer the world. Eggman and his "Badnik" brand of military robots serve as bosses and enemies in the Sonic platform games. His distinctive characteristics include his red-black-yellow clothing, baldness, pince-nez sunglasses, and large mustache.
Sonic Colors is a 2010 platform game published by Sega. It follows Sonic's quest to stop his nemesis Doctor Eggman from enslaving an alien race and taking over the world. The gameplay is similar to prior Sonic games, with players collecting rings and defeating enemies; the camera perspective often switches from third-person to side-scrolling perspectives. The game also introduces Wisps, power-ups the player can use to increase attack power and reach new areas.
Sonic Free Riders is a motion controlled racing video game developed by Sonic Team and published by Sega for the Xbox 360. The game requires the use of Microsoft's Kinect peripheral and was a Kinect launch title in November 2010.
Sonic Mania is a 2017 platform game published by Sega for Nintendo Switch, PlayStation 4, Xbox One, and Windows. Produced in commemoration of the Sonic the Hedgehog series' 25th anniversary, Sonic Mania pays homage to the original Sega Genesis Sonic games, featuring speedy side-scrolling gameplay. It takes place over 13 levels, including several redesigned from past games. The story follows Sonic, Tails and Knuckles as they venture to defeat Doctor Eggman and his robotic henchmen, the Hard-Boiled Heavies.
Sonic Dream Team is a 2023 platformer developed by Hardlight and published by Sega. An installment in the Sonic the Hedgehog series, it was released on iOS, macOS and tvOS through Apple Arcade on December 5, 2023. The game follows Sonic, Tails, Knuckles, Amy Rose, Rouge and Cream traversing across Reverie Haven which is corrupted by Doctor Eggman—using a mysterious device protected by a guardian named Ariem—to stop him. As of one of the six characters, the player will collect Dream Orbs by completing a series of missions across multiple stages. Every character, each with their own unique abilities, can be unlocked to the player after collecting enough Dream Orbs. The multi-character aspect of the game marks a return to similar 3D gameplay first in Sonic Adventure (1998) and Sonic Heroes (2003).
