Various Cheats

Bonus Airstrike
While playing, pause the game and press Down, Up, Circle, Down, Up, Down, L1.

Cow Drop
While playing, pause the game and press Up, Down, Down, L1, Right.

Dummy Decoy
While playing, pause the game and press X, L1, Right, Circle, X, Up, Square.

Hand Grenade
While playing, pause the game and press Triangle, Circle, Square, Square, L1, Right.

Homing Sniper Grenade
While playing, pause the game and press Left, Up, X, Triangle, L1, L1, Right.

Mortar
While playing, pause the game and press Left, L1, Triangle, Square, Right, Circle, Left, Left.

Most Interesting Bomb
While playing, pause the game and press Down, Right, Circle, Circle, Left, Left, Up, Square, Triangle.

Sniper Grenade
While playing, pause the game and press Up, Square, L1, Left, Circle, Triangle, Square.

Super Chain Gun
While playing, pause the game and press Left, L1, Down, Square, Triangle, Up, Down.

Thumper Weapon
While playing, pause the game and press Down, Up, Left, Left, Triangle, Up, Right, Down.