SEGA and Christian Whitehead announced Sonic Mania as a 2D side-scrolling platform game to celebrate the 25th anniversary of Sonic the Hedgehog.
Sonic Mania was showcased with a playable demo at the Sonic Festival in London, giving fans their first hands-on experience with the game.
Sonic Mania was officially released worldwide for Nintendo Switch, PlayStation 4, Xbox One, and Windows PC.
An expanded edition of the game, Sonic Mania Plus, was released with additional content and characters.