Mega Man 10 Cheats - Wii

Unlock Hard Mode
Beat the game on Normal once.

Unlock Challenges
Boss (Easy) - Reach the boss on Easy Mode.
Boss (Hard) - Reach the boss on Hard Mode.
Miniboss (Hard) - Reach the miniboss on Hard Mode.
Miniboss (Easy) - Reach the miniboss on Easy or Normal Mode.
Normal boss challenges - Reach the boss on Normal Mode.
Normal minboss challenges - Reach the miniboss on Normal Mode.
Blade (Easy) - Reach Blade Man in Easy Mode.
Blade (Hard) - Reach Blade Man in Hard Mode.
Blade (Normal) - Reach Blade Man in Normal Mode.
Block Devil (Easy) - Reach Block Devil in Easy Mode.
Block Devil (Hard) - Reach Block Devil in Hard Mode.
Block Devil (Normal) - Reach Block Devil in Normal Mode.
Chill (Easy) - Reach Chill Man in Easy Mode.
Chill (Hard) - Reach Chill Man in Hard Mode.
Chill (Normal) - Reach Chill Man in Normal Mode.
Commando (Easy) - Reach Commando Man in Easy Mode.
Commando (Hard) - Reach Commando Man in Hard Mode.
Commando (Normal) - Reach Commando Man in Normal Mode.
Crab Puncher (Easy) - Reach Crab Puncher in Easy Mode.
Crab Puncher (Hard) - Reach Crab Puncher in Hard Mode.
Crab Puncher (Normal) - Reach Crab Puncher in Normal Mode.
Nitro (Easy) - Reach Nitro Man in Easy Mode.
Nitro (Hard) - Reach Nitro Man in Hard Mode.
Nitro (Normal) - Reach Nitro Man in Normal Mode.
Octobulb (Hard) - Reach Octobulb (Sheep Man stage) in Hard Mode.
Pump (Easy) - Reach Pump Man in Easy Mode.
Pump (Hard) - Reach Pump Man in Hard Mode.
Pump (Normal) - Reach Pump Man in Normal Mode.
Sheep (Easy) - Reach Sheep Man in Easy Mode.
Sheep (Hard) - Reach Sheep Man in Hard Mode.
Sheep (Normal) - Reach Sheep Man in Normal Mode.
Solar (Easy) - Reach Solar Man in Easy Mode.
Solar (Hard) - Reach Solar Man in Hard Mode.
Solar (Normal) - Reach Solar Man in Normal Mode.
Strike (Easy) - Reach Strike Man in Easy Mode.
Strike (Hard) - Reach Strike Man in Hard Mode.
Strike (Normal) - Reach Strike Man in Normal Mode.
Suzak and Fenix (Hard) - Reach Suzak and Fenix (Solar Man Stage) in Hard Mode.
The Keeper (Hard) - Reach The Keeper Man (Strike Man Stage) in Hard Mode.
TriCastle (Hard) - Reach TriCastle (Blade Man Stage) in Hard Mode.
W Archive (Easy) - Reach the first Wily Archive in Easy Mode.
W Archive (Hard) - Reach the first Wily Archive in Hard Mode.
W Archive (Normal) - Reach the first Wily Archive in Normal Mode.
Wily Capsule (Easy) - Reach Wily Capsule in Easy Mode.
Wily Capsule (Hard) - Reach Wily Capsule in Hard Mode.
Wily Capsule (Normal) - Reach Wily Capsule in Normal Mode.
Wily Machine (Easy) - Reach Wily Machine in Easy Mode.
Wily Machine (Hard) - Reach Wily Machine in Hard Mode.
Wily Machine (Normal) - Reach Wily Machine in Normal Mode.

Unlock Playstation Home T-Shirts
Mega Man Shirt - Beat the game with Megaman.
Proto Man Shirt - Beat the game with Protoman.

Unlock Challenge Menu Options
Complete the indicated task to unlock the corresponding type of challenge at the "Challenge" menu:

Easy Boss challenges - Reach the boss under Easy difficulty.
Easy Mini Boss challenges - Reach the Mini Boss under Easy or Normal difficulty.
Hard Boss challenges - Reach the Boss under Hard difficulty.
Hard Mini Boss challenges - Reach the Mini Boss under Hard difficulty.
Normal Boss challenges - Reach the Boss under Normal difficulty.
Normal Mini Boss challenges - Reach the Mini Boss under Normal difficulty.

Recommended Order
Defeat the Bosses in the following order unlock and use the corresponding attack with the next Boss:

Sheep Man (use Mega Buster)
Pump Man (use Electric Wool)
Solar Man (use Water Shield)
Chill Man (use Solar Blaze)
Nitro Man (use Chill Spike)
Commando Man (use Wheel Cutter)
Blade Man (use Commando Bomb)
Strike Man (use Triple Blade)