Press Select at the "Mode Select" screen. Then, activate the following cheat functions by entering the corresponding codes:
CHEAT EFFECT - CHEAT CODE Girls' Room level - Press B, L, A, B(2), Y. Incredible Shrinking Minion world bonus mission - Press B, Up, DOWN(2), Y. Despicable GRU bonus level - Press B, A, DOWN(2), Y. Minion Mania! level - Press L, A, B(2), Y, UP. Alternate Minion Mania! level - Press L, A, B(2), Y, DOWN.
Unlock the following levels by performing the corresponding tasks:
LEVEL - HOW TO UNLOCK Incredible Shrinking Minion world - Unlock all the world bonus levels. Despicable GRU - Collect all GRU Challenge Tokens. Girls' Room - Collect all of Agnes' Unicorns in the current world. Minion Mania! - Earn the highest achievement "Minion of the Month" in all levels.