Pause the game and type cheatercheaterwimpwimp and you will instantly go up to 45 credits. Do it again and you will get 99 credits.
WARNING: This will have a side effect that makes it hard to get awards
Type toast whenever you see a trailer and it will turn into a toaster
Type wolfdog when ever you see a rabbit and after a few seconds it will chase its tail and then disappear.
Type bacon whenever you see a pig and it will turn into a balloon and fly away (unless it pops first).
Type in USPA87419 to summon the parachute kid.
Thanks to Revolution reader Codeman Mike, Lopedawg10, Tom Fenwick, and Rob D.!