Unlockable stages:
Unlock the following stages by performing the corresponding tasks in Planet Superstars mode:
STAGE – HOW TO UNLOCK
Alex Kidd – Complete “get a high score!” in the “space harrier” stage.
Golden Axe – Complete “speed rings”.
NiGHTS – Complete “monkey ball keep up”.
Outrun – Complete “Hit justice shots” in the “virtua squad” stage.
Puyo Pop Fever – Complete “doubles match”.
Space Harrier – Complete tournament singles in the “space channel 5” stage.
Virtua Squad – Complete “hit the big zombies!” in the “curien mansion” stage.
Unlockable characters:
Unlock the following characters by performing the corresponding tasks in Planet Superstars mode:
CHARACTER – HOW TO UNLOCK
Alex Kidd – Complete tournament singles in the “alex kidd” stage.
Amy Rose – Complete tournament singles in the “sonic the hedgehog” stage.
Gilius Thunderhead – Complete tournament singles in the “golden axe” stage.
Gum – Complete “tournament doubles” in the “jet set radio” stage.
MeeMee – Complete tournament singles in the “super monkey ball” stage.
Pudding – Complete tournament singles in the “space channel 5” stage.
Reala – Complete tournament singles in the “NiGHTS” stage.
Shadow the Hedgehog – Complete “tournament doubles” in the “sonic the hedgehog” stage.
Unlockable courts:
Unlock the following courts by performing the corresponding tasks in Planet Superstars mode:
COURT – HOW TO UNLOCK
Golden Axe – Complete all super monkey ball missions.
NiGHTS – Complete “doubles match”.
Outrun – Complete exhibition doubles in the “outrun” stage.
Sonic The Hedgehog – Complete exhibition singles in the “sonic the hedgehog” stage.
Ball Games:
Unlock the following Ball Games by performing the corresponding tasks in Planet Superstars mode:
BALL GAME – HOW TO UNLOCK
Puyo Pop Fever – Complete “get a high score!” on the “puyo puyo fever” stage.
Space Harrier – Complete “get a high score!” in the “space harrier” stage.
Virtua Squad – Complete “get a high score!” on the “virtua squad” stage.