While the game is paused, hold L and R
and enter the following:
| Code |
Effect |
| While holding L and R press up, up, down, down, left, right, left, right,
X, O |
All weapons and weapon upgrades |
| While Holding L and R, Press Triangle,Triangle,X,X,Square,Circle,Square,Circle,Down,Right |
Ammo Refilled |
| Up, Up, Down, Down, Triangle, Triangle, X, X, Triangle, Triangle |
Assist Extender |
| Up, Up, Down, Left, Triangle, Triangle, Square, X, O, Square |
Attacks have different names |
| Triangle, O, X, Square, Triangle, Up, Right, Down, Left, Up |
Big Heads |
| Triangle, Square, X, O, Triangle, Up, Left, Down, Right, Up |
Big Scythe |
| Up, Right, Down, Left, Up, Triangle, O, X, Square, Triangle |
Bullet holes become pictures |
| Up, Left, Down, Right, Left, Triangle, Square, X, O, Square |
Eyedoors no longer require souls to open |
| Up, Up, Down, Down, Up, Right, Down, Left, X, X |
Fill Pandora Assist meter |
| Up, Up, Up, Up, Down, Down, Down, Down, X, X |
Free all characters and unlock all levels(must enter any stage and re-enter
the museum for code to come into effect) |
| Left, Left, Right, Right, Left, Right, Left, Right, X, X |
Free Seep |
| Up, Up, Down, Down, X, O, Triangle, Square, X, X | Increased Health and Stamina |
| While Holding L and R, press Up,Up,Down,Down,Left,Left,Right,Right,Square,Triangle | Invincibility |
| Down, X, Down, X, Down, X, Down, X, Down, X | Monsters are different colors and scythe has trails |
| Triangle, Up, O, Right, X, Down, Square, Left, Triangle, Up | Odd monsters and scythe has trails |
| While Holding L and R, Press Triangle, Triangle, X, X, Square, Circle,
Square, Circle, Right, Down |
Unlimited ammo |
| Down, X, Down, X, Down, X, Down, X, Down, Square |
Warp to Advanced Training stage |
| Up, Triangle, Up, X, Down, X, Down, X, Down, X |
Warp to Basic Training stage |
| Up, Triangle, Down, X, Down, X, Down, X, Down, X | Warp to Big Trouble in Little Downtown stage |
| Down, X, Down, X, Down, X, Down, X, Down, Triangle | Warp to Bottom of the Bell Curve stage |
| Down, X, Up, Triangle, Down, X, Down, X, Down, X | Warp to Burn it Down stage |
| Down, X, Down, X, Down, X, Down, Triangle, Up, X | Warp to Final Battle stage |
| Down, X, Down, X, Down, X, Down, X, Up, X | Warp to Growth Spurt stage |
| Down, X, Down, Triangle, Up, X, Down, X, Down, X | Warp to Happy Trails Insanitarium stage |
| Down, X, Down, X, Down, X, Down, Triangle, Down, X | Warp to Higher Learning stage |
| Down, X, Down, X, Down, Triangle, Down, X, Down, X | Warp to How a Cow Becomes a Steak stage |
| Down, X, Down, X, Up, Triangle, Down, X, Down, X | Warp to Inner Madness Stage |
| Down, X, Down, X, Down, X, Up, Triangle, Down, X | Warp to Into the Box stage |
| Down, Triangle, Up, X, Down, X, Down, X, Down, X | Warp to Moving on Up stage |
| Down, X, Down, Triangle, Down, X, Down, X, Down, X | Warp to My House stage |
| Down, Triangle, Down, X, Down, X, Down, X, Down, X | Warp to Seep's Hood stage |
| Down, X, Down, X, Down, Triangle, Up, X, Down, X | Warp to Shock Treatment stage |
| Down, X, Down, X, Down, X, Down, X, Up, Triangle | Warp to The Basement |
| Down, X, Down, X, Down, X, Up, X, Down, X | Warp to The Burger Tram stage |
| Down, X, Up, X, Down, X, Down, X, Down, X | Warp to The Corner Store stage |
| Up, X, Down X, Down, X, Down, X Down, X | Warp to The Museum |
| Down, X, Down, X, Up, X, Down, X, Down, X | Warp to Udder Madness stage |
| Down, Down, Up, Up, Left, Right, Left, Right, Square, Triangle | Weapons have different names |
| Right, Up, Down, Up, Triangle, Up, Left, Square, Triangle, Right | Widget |
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