Sonic & All-Stars Racing Transformed is a racing game developed by Sumo Digital and published by Sega for the PlayStation Vita in 2013. The game is a sequel to Sonic & All-Stars Racing and is the second installment in the Sonic & All-Stars Racing series of games.
The game features over 20 playable characters, including characters from Sonic the Hedgehog, Jet Set Radio, Super Monkey Ball, and many other Sega games. These characters can pilot transformable vehicles, allowing them to travel on land, water, and air.
Sonic & All-Stars Racing Transformed features single-player, local multiplayer, and online multiplayer. Single-player modes include a story mode, a challenge mode, and an arcade mode. Multiplayer mode allows up to four players to compete against each other.
Sonic & All-Stars Racing Transformed received positive reviews from critics, with praise for the graphics, gameplay, and music. The game has sold more than 2 million copies worldwide.