Cheat Codes
Select the "Secrets" option from the main menu or pause screen. Enter one of the following codes at the "Enter New Secret" screen. Select the "Secrets" option and set each enabled code as desired.

Invincibility
Enter [Raven] [Salmon] [Eagle] [Bear] [Lizard] [Rabbit] as a password at the "Enter New Secret" screen.

All weapons
Enter [Owl] [Bear] [Owl] [Insect] [Hawk] [Owl] as a password at the "Enter New Secret" screen.

Infinite ammunition
Enter [Salmon] [Elk] [Bull] [Snake] [Eagle] [Salmon] as a password at the "Enter New Secret" screen.

All keys
Enter [Lizard] [Dragonfly] [Bull] [Bear] [Wolf] [Eagle] as a password at the "Enter New Secret" screen.

Warp level 1
Enter [Frog] [Elk] [Horse] [Dragonfly] [Wolf] [Rabbit] as a password at the "Enter New Secret" screen.

Warp level 2
Enter [Owl] [Owl] [Horse] [Elk] [Elk] [Elk] as a password at the "Enter New Secret" screen.

Warp level 3
Enter [Owl] [Rabbit] [Bear] [Insect] [Frog] [Cougar] as a password at the "Enter New Secret" screen.

Warp level 4
Enter [Bear] [Horse] [Raven] [Eagle] [Horse] [Coyote] as a password at the "Enter New Secret" screen.

Warp level 5
Enter [Bear] [Dragonfly] [Horse] [Bear] [Frog] [Elk] as a password at the "Enter New Secret" screen.

Headless mode
Enter [Lizard] [Elk] [Eagle] [Owl] [Salmon] [Horse] as a password at the "Enter New Secret" screen.

Big head mode
Enter [Cougar] [Wolf] [Snake] [Rabbit] [Lizard] [Coyote] as a password at the "Enter New Secret" screen.

Big hands and feet
Enter [Lizard] [Lizard] [Dragonfly] [Horse] [Lizard] [Coyote] as a password at the "Enter New Secret" screen.

Stick man mode
Enter [Horse] [Eagle] [Snake] [Cougar] [Insect] [Salmon] as a password at the "Enter New Secret" screen.

Tiny mode
Enter [Frog] [Frog] [Salmon] [Insect] [Wolf] [Cougar] as a password at the "Enter New Secret" screen.

Mannequin mode
Enter [Snake] [Bull] [Snake] [Frog] [Bear] [Elk] as a password at the "Enter New Secret" screen.

Pen and ink mode
Enter [Jaguar] [Horse] [Elk] [Fish] [Jaguar] [Hawk] as a password at the "Enter New Secret" screen.

Gasping mode
Enter [Dragonfly] [Bull] [Rabbit] [Salmon] [Eagle] [Raven] as a password at the "Enter New Secret" screen.

Gouraud shaded graphics
Enter [Lizard] [Salmon] [Insect] [Salmon] [Wolf] [Dragonfly] as a password at the "Enter New Secret" screen.

Menu madness
Enter [Rabbit] [Owl] [Horse] [Insect] [Bear] [Bear] as a password at the "Enter New Secret" screen.

Full pause screen
Enter [Rabbit] [Owl] [Lizard] [Elk] [Salmon] [Rabbit] as a password at the "Enter New Secret" screen.

View credits
Enter [Elk] [Elk] [Elk] [Elk] [Elk] [Elk] as a password at the "Enter New Secret" screen.