Pressing " D " and then " N " activates cheat mode. Then enter any of
the following codes:

CORNHOLIO

Turns God mode on or off and gives you unlimited jetpack fuel

KROZ

Turns God mode on or off and gives you unlimited jetpack fuel

COSMO

Gives you unlimited jetpack fuel

STUFF

Gives you all the weapons, keys and full ammo

ITEMS

Gives you all the items and keycards

SCOTTY # (episode) # (level)

Warp to a level

CASHMAN

Makes you spew money

VIEW

Gives you a third-person view of Duke

RATE

Displays current frame rate

SKILL#

Changes the skill level

HYPER

Get high on steroids

Type "D","N", then WEAPONS. This is similar to STUFF, but without the
items (Jetpack, Medkit, Steroids, etc.)