Sonic's Ultimate Genesis Collection is a compilation of:
retrochief1969 unlocked 2 achievements for 40 in Sonic's Ultimate Genesis Collection.
retrochief1969 unlocked an achievement in Sonic's Ultimate Genesis Collection.
retrochief1969 unlocked 23 achievements for 695 in Sonic's Ultimate Genesis Collection.
MadVirus unlocked all of the achievements for Sonic's Ultimate Genesis Collection.
MadVirus unlocked 13 achievements for 470 in Sonic's Ultimate Genesis Collection.
MadVirus unlocked 11 achievements for 285 in Sonic's Ultimate Genesis Collection.
MadVirus unlocked an achievement in Sonic's Ultimate Genesis Collection.
MadVirus unlocked 9 achievements for 215 in Sonic's Ultimate Genesis Collection.
MadVirus gave a rating for Sonic's Ultimate Genesis Collection.
MadVirus added a new game to their profile.
Superbob unlocked all of the achievements for Sonic's Ultimate Genesis Collection.
Superbob unlocked 12 achievements for 475 in Sonic's Ultimate Genesis Collection.
Superbob unlocked 9 achievements for 245 in Sonic's Ultimate Genesis Collection.
Superbob unlocked 2 achievements for 55 in Sonic's Ultimate Genesis Collection.
Superbob unlocked 7 achievements for 140 in Sonic's Ultimate Genesis Collection.