Type in the following codes during gameplay:

AirNormandy - soldiers re-jump into normandy.
AngryManDinners - soldiers are given food.
Beef - all the cows on the map are killed.
Heknows - turns off Iknow.
Helllive - all the germans on the map are killed.
Hohoho - Gives your GI a brand new MG42 plus two ammo belts.
Ihaveyounow - all the germans on the map are surrendered.
Iknow - displays all germans, equipment bags, and insides
of buildings.
PrisonPod - No parachutes
TraitorTraitor - current soldier surrenders.
PrisonPod - removes all parachutes.
Robocop3 - makes your soldier go berzek.
Weasel - all soldiers on the map are made available.
YouGoSquishNow - all the germans on the map are killed.