Bugs Bunny: Lost in Time Cheats

Open all levels: 
X, Square, R2, L1, Circle, X, Square, Square, Square

Full regular carrots:
X, Square, R2, L1, Circle, X, Square, Square, Circle

Full energy:
X, Square, R2, L1, Circle, X, Square, Circle, Circle

All abilities:
X, Square, R2, L1, Circle, X, Square, Circle, Square 

See ending 1:
X, Square, R2, L1, Circle, X, Circle, Square, Circle 

See ending 2:
X, Square, R2, L1, Circle, X, Circle, Circle, Square 

Thanks to Revolution readers Ben Hollobone and Abdelkader SROUJI!