Restore health:
Enter ImJackCarver as a case-sensitive code.Unlimited ammunition:
Enter UnleashHell as a case-sensitive code.Feral Attack in the early levels:
Enter FeralAttack as a case-sensitive code.Unlimited Feral Attacks:
Enter Bloodlust as a case-sensitive code.All maps:
Enter GiveMeTheMaps as a case-sensitive code.
Thanks to Revolution Reader ManCub!