This is a tennis game of Sonic the Hedgehog.
Sonic Power Tennis

Playable Characters

Character Type Description
Sonic the Hedgehog
Sonic pose 98
Miles "Tails" Prower
Tennis Tails
Knuckles the Echidna
Tennis Knuckles
Amy Rose
Tennis Amy
All Around
Cream the Rabbit
Tennis Cream

Unlockable Characters

Character Type Description How to Unlock
Shadow the Hedgehog Speed
Rouge the Bat All Around
E-123 Omega Power
Big the Cat Power
Blaze the Cat Speed
Silver the Hedgehog Spin
Vector the Crocodile Power
Espio the Chameleon Speed
Charmy Bee Spin
Mighty the Armadillo All Around
Dr. Eggman Power
Metal Sonic Speed
NiGHTS All Around Beat every Tournament with every other character.