Unlockables in Superstars Mode
     All of these are unlocked in Superstars Mode.

Unlockable:                        How to Unlock:

Character: Alex Kidd               Finish "Tournament Singles" 
                                   in the "Alex Kidd" Stage.

Character: Amy Rose                Finish "Tournament Singles" 
                                   in the "Sonic The Hedgehog" Stage.

Character: Gilius Thunderhead      Finish "Tournament Singles" 
                                   in the "Golden Axe" Stage.

Character: Gum                     Finish "Tournament Doubles" 
                                   in the "Jet Set Radio" Stage.

Character: MeeMee                  Finish "Tournament Singles" 
                                   in the "Super Monkey Ball" Stage.

Character: Pudding                 Finish "Tournament Singles" 
                                   in the "Space Channel 5" Stage.

Character: Reala                   Finish "Tournament Singles" 
                                   in the "NiGHTS" Stage.

Character: Shadow the Hedgehog     Finish "Tournament Doubles" 
                                   in the "Sonic The Hedgehog" Stage.

Stage: Alex Kidd                   Finish "Get A High Score!" 
                                   in the "Space Harrier" Stage.

Stage: Outrun                      Finish "Hit Justice Shots" 
                                   in the "Virtua Squad" Stage.

Stage: Space Harrier               Finish "Tournament Singles" 
                                   in the "Space Channel 5" Stage.

Stage: Virtua Squad                Finish "Hit The Big Zombies!" 
                                   in the "Curien Mansion" Stage.