Sega Superstars Tennis – Nintendo DS

Sega Superstars Tennis - Platform: Nintendo DS

Special stage:
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Win a tournament with over 9 million points to play against Dr. Robotnik in the 
special stage.

Bonus courts:
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Successfully complete the indicated task to unlock the corresponding court:

Jet Set Radio - Win level 1 of the Jet Set Radio game
Outrun        - Win level 4 of the Sonic The Hedgehog game

Bonus characters:
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Successfully complete the indicated task to unlock the corresponding character:

Amy     - Win the Bronze Singles tournament
Gilius  - Defeat Dr. Robotnik in the special stage
Gum     - Win the Silver Doubles tournament
MeeMee  - Win the Silver Singles tournament
Pudding - Win the Gold Doubles tournament
Reala   - Win the Bronze Doubles tournament
Shadow  - Win the Gold Singles tournament

Score Attack mode:
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Successfully complete all missions in a mini-game to unlock the Score Attack 
mode for that particular mini-game.