Cheat codes: 

Big heads:
Press Up, Left, Down, Left, Down, Up(2), Left during game play.

 Custom option:
Get a 100% hit head shot status two times in a row. This option is unlocked at the battle mode team setup menu.

Defeat leader option:
Have all team members complete an episode with 100% health. This option is unlocked at the battle mode objectives menu.

Disco mode:
Press L, Left, L, Left, R, Right, R, Right during game play.

Level skip:
Press L, X, R(2), Black, X, L, R, Black at the game selection screen in story mode.

Low gravity:
Press Up(6), Down, Right, Up during game play.

Team power option:
Get two head shots in a row. This option is unlocked at the battle mode menu.

Unlimited turns and movement:
Press Up(2), Down(2), Left, Right, Left(2), R, L during game play.