Sonic Generations

Sonic Generations is a platform game for the PlayStation 3, Xbox 360, Microsoft Windows,^[1] and Nintendo 3DS. It was released November 2011. It was developed by Sonic Team and published by Sega. It was released in celebration of the 20th anniversary of the release of the first Sonic the Hedgehog game.^[2]

Sonic Generations
Developer(s)	Sonic Team
Publisher(s)	Sega
Director(s)	Hiroshi Miyamoto Tetsu Katano
Producer(s)	Takashi Iizuka
Writer(s)	Sega
Composer(s)	Jun Senoue
Series	Sonic the Hedgehog
Engine	Hedgehog Engine
Platform(s)	PlayStation 3 (PlayStation Network) Xbox 360 Microsoft Windows Nintendo 3DS
Release	PlayStation 3 & Xbox 360 NA: November 1, 2011 AU: November 3, 2011 EU: November 4, 2011 JP: December 1, 2011 Microsoft Windows NA: November 3, 2011 (Steam) EU: November 4, 2011 (Steam) EU: November 25, 2011 (Retail) AU: November 25, 2011 (Retail) Nintendo 3DS NA: November 22, 2011 AU: November 24, 2011 EU: November 25, 2011 JP: December 1, 2011
Genre(s)	Platform
Mode(s)	Single-player

In 2024, the game was re-released as part of Sonic X Shadow Generations.

Gameplay

The player controls two Sonic the Hedgehog characters: Classic Sonic and Modern Sonic.^[3] The player has to collect all of the Chaos Emeralds and stop an unknown villain from creating a time hole that would change history in a bad way. The game features levels that come from a past game in the Sonic the Hedgehog series. Each level has two stages and two bosses. The stages are Classic and Modern. Classic Sonic stages are 2D stages with gameplay in the style of the 2D Sonic games. Modern Sonic stages are 2D/3D stages with gameplay in the style of 3D Sonic games.^[4] Each level has an act for both Sonic characters, as well as 10 challenges such as racing an opponent to the goal.