View ending option
Defeat all Bosses in challenge mode.
Movie test option
Kill 2,000 zombies.
Sound test option
Kill 1,000 zombies.
Boss mode
Enter D0NTN33DM0N3Y as a password. Alternately, kill 100 Bosses.
Final Challenge
Enter KJQV9LWB8!9HG to begin at the end of the game.