While playing a game, hold L + White + R + Black + click Left Analog-stick + Right Analog-stick for at least three seconds, then enter one of the following codes to activate the corresponding cheat function:

Full health
Enable cheat mode, then press A, X, B, Y.

All Loco moves
Enable cheat mode, then press B(2), White, Black to unlock all Loco moves.

All weapons
Enable cheat mode, then press Y, L, Black, X to unlock all weapons.

Maximum rewinding
Enable cheat mode, then press R, Black, White, A.