One of the first Sonic the Hedgehog announcements during the Sonic Central stream involved a crossover. When people play Lost Judgment, they will be able to also play Sonic the Fighters. People will be able to send Takayuki Yagami into Club Sega arcades in Kamurocho to play the game.
Sonic the Fighters is a fighting game featuring characters from the series. It originally appeared in Japanese and North American arcades in 1996. However, in later years ports appeared on the GameCube, PlayStation 2, PlayStation 3, and Xbox 360.
Lost Judgment will come to the PlayStation 4, PlayStation 5, Xbox One, Xbox Series X, and PC on September 24, 2021 and include Sonic the Fighters.