Donkey Kong Country Returns Cheats - Wii
Unlock Bonus Music Galleries
Beach - Beat the boss of the Beach section.
Cave - Beat the boss of the Cave section.
Forest - Beat the boss of the Forest section.
Cliff - Beat the boss of the Cliff section.
Factory - Beat the boss of the Factory section.
Jungle - Beat the boss of the Jungle section.
Ruins - Beat the boss of the Ruins section.
Volcano - Beat the boss of the Volcano section.
Unlock Infinite DK Coins
In level 2-2 (Sloppy Sands), there is an area before the checkpoint pig with two squid turrets below a bridge. Using Diddy Kong's jetpack, super bounce from the lower squid to the higher squid shot out from the turrets. After hitting the higher squid just bounce again on the lower squid and rinse and repeat. You can keep repeating this for infinite DK Coins.
Unlock 3 Extra Lives
Begin playing one of your game saves with a low battery charge on your remote to initiate a message from Cranky; he will warn that your battery is low and award you extra lives to help you out.