Чит коды:
god     - неуязвимость
ghost   - режим хождения сквозь стены
weapons - все оружие
fly     - режим полета
kungfu  - удары Kung Fu
walk    - отключит режим полета и хождения сквозь стены
allammo - получить 999 амуниции и все оружие

Список уровней:
the farm-checkpoint 1
cornfield-checkpoint 1
cornfield-checkpoint 2
neighbors-checkpoint 1
mainstreet-checkpoint 1
detour-checkpoint 1
detour-checkpoint 2
hospital-checkpoint 1
the doctor-checkpoint 1
the doctor-checkpoint 2
override-checkpoint 1
override-checkpoint 2
fire-checkpoint 1
escape-checkpoint 1
escape-checkpoint 2
back alleys-checkpoint 1
warehouse-checkpoint 1
warehouse-checkpoint 2
police station-checkpoint 1
sniper rifle-checkpoint 1
headshot-checkpoint 1
sewers-checkpoint 1
sewers-checkpoint 2
labyrinth-checkpoint 1
labyrinth-checkpoint 2
the theater-checkpoint 1
the docks-checkpoint 1
deliverence-checkpoint 1
deliverence-checkpoint 2
city of the living checkpoint 1
city of the living checkpoint 2
heavy gunner-checkpoint 1
fiddlers green garage
fiddlers green atrium
fiddlers green penthouse
annlhilation [последняя сцена на финальном уровне] game done