Mario Power Tennis Wii Unlockables
Baloon Panic - Beat the Flower Cup in Singles
Coin Collectors - Beat the Mushroon Cup in Doubles
Mecha Bowser Mayhem - Beat the Mushroom cup in singles
Flower Cup - Beat the Mushroom Cup
Moonlight Cup - Beat the Rainbow Cup
Planet Cup - Beat the Moonlight Cup
Rainbow Cup - Beat the Star Cup
Star Cup - Beat the Flower Cup
Thunder Cup - Beat the Fire Cup
Artist And Court Unlockables
Bowser and Bower Jr.'s painting - Complete Diddy Kong's painting within time limit.
Diddy Kong's painting - Complete Luigi's painting within time limit.
Luigi Painting - Complete Mario's painting within time limit.
Yoshi's painting - Complete Bowers and Bowser Jr.'s painting within time limit.
Chain-Chomp Challenge Unlockables
Famished Chomp level - Complete Hungry Chomp level with the highest score.
Hungry Chomp level - Complete Perkish Chomp level with the highest score.
Coin Collecters Unlockables
Coin Challenge level - Beat the Gold Rush level.
Gold Rush level - Beat the Jackpot level.
Jackpot level - Beat the Fever level.
Yoshi's Defensive Power Shot Color Change - Beat Flower Cup doubles with any character
Gooper Blooper Unlockables
Master Blooper - Complete the Rival Blooper level.
Rival Blooper - Complete the Buddy Blooper level.
Terror Tennis Unlockables
Pesky Poltergeists - Score 50 points in the "Goofy Ghosts" level within time limit.
Phrantic Phantoms - Score 150 points in the "Pesky Poltergeists" level within time limit.
Dazzle Shine level - Score 75 points in the "Sparke Shine" level within time limit.
Sparkle Shine level - Score 50 points in the "Glimmer Shine" level within time limit.
Tic-Tac-Glow Challenge - Score 75 points in the "Dazzle Shine" level within time limit.
Unlock Ace COM skill level
Ace COM skill level - To unlock the "Ace" Computer skill level for exhibition, defeat Planet Cup in either Singles or Doubles mode.
Unlock Courts And Special Court Options
Bowser Court - To unlock the Bowser court, just beat the Fire tournament of the Special Cup in singles.
Mario Bros Court - To unlock the Mario Bros court, just beat the Thunder tournament of the Special Cup in doubles.
Special courts options - To unlock all the options of a special court, just play on that court in the Special Cup.
Boss Packun (Petey Piranha) - To unlock Boss Packun (Petey Piranha), just beat both Special tournaments (Fire and Thunder) in doubles.
Hana-Chan (Wiggler) - To unlock Hana-Chan, just beat both Special tournaments (Fire and Thunder) in singles.
Patapata (Paratroopa) - To unlock Patapata (Paratroopa), just beat the 3 tournaments of the Normal Cup in doubles.
Propera Hey-Ho (Fly Guy) - To unlock Propera Hey-Ho (Fly Guy), just beat the 3 tournaments of the Normal Cup in singles.
Unlockable Infinite Challenges
Balloon Panic Challenge - Beat Ultra-Hyper Panic
Coin Collectors Challenge - Beat Gold Rush Challenge
Gooper Blooper Volley Challenge - Beat Master Blooper
Terror Tennis Challenge - Beat Phrantic Phantoms
Tic-Tac-Glow Challenge - Beat Dazzle Shine Challenge