Sega Superstars Tennis Cheats

Successfully complete the indicated task in Planet Superstars mode to unlock the corresponding ball game:

Puyo Pop Fever: Successfully complete "Get A High Score!" in the "Puyo Puyo Fever" stage.
Space Harrier: Successfully complete "Get A High Score!" in the "Space Harrier" stage.
Virtua Squad: Successfully complete "Get A High Score!" in the "Virtua Squad" stage.

Successfully complete the indicated task in Planet Superstars mode to unlock the corresponding character:

Alex Kidd: Successfully complete Tournament Singles in the "Alex Kidd" stage.
Amy Rose: Successfully complete Mission 2 in the "Sonic The Hedgehog" stage.
Gilius Thunderhead: Successfully complete Mission 1 in the "Golden Axe" stage.
Gum: Successfully complete Mission 12 in the "Jet Set Radio" stage.
MeeMee: Successfully complete Mission 8 in the "Super Monkey Ball" stage.
Pudding: Successfully complete Mission 1 in the "Space Channel 5" stage.
Reala: Successfully complete Mission 2 in the "NiGHTS" stage.
Shadow the Hedgehog: Successfully complete Mission 14 in the "Sonic The Hedgehog" stage.

Successfully complete the indicated task in Planet Superstars mode to unlock the corresponding court:

Golden Axe: Successfully complete all Super Monkey Ball missions.
NIGHTS: Successfully complete all Jet Set Radio missions.
Outrun: Successfully complete Exhibition Doubles in the "Outrun" stage.
Puyo Pop: Unknown.
Sonic The Hedgehog: Successfully complete Exhibition Singles in the "Sonic the
Hedgehog" stage.

Successfully complete the indicated task in Planet Superstars mode to unlock the corresponding stage:

Alex Kidd: Successfully complete "Get A High Score!" in the "Space Harrier" stage.
Outrun: Successfully complete "Hit Justice Shots" in the "Virtua Squad" stage.
Space Harrier: Successfully complete Tournament Singles in the "Space Channel 5" or
"Virtua Squad" stage.
Virtua Squad: Successfully complete "Hit The Big Zombies!" in the "Curien Mansion"
stage.