Level select
Enter "FREEPLAY" as a password.
All weapons
Enter "GIMME" as a password
Invincibility
Enter "NODIE" as a password.
Invisible
Enter "NOSEEUM" as a password.
Tiny mode
Enter "SHORTY" as a password.
Big mode
Enter "IMHUGE" as a password.
Debug information
Enter "THDOTEST" as a password.
| Level | Password |
| Boot Camp | BOOTCAMP |
| Dinner Table | DINNER |
| Bridge | OVERPASS |
| Refrigerator | COOLER |
| Graveyard | NECROPOLIS |
| Castle | CITADEL |
| Tan Base | MOUSE |
| Revenge | ESCAPE |
| Desk | ESCRITOIRE |
| Bed | COT |
| Plasticville | BLUEBLUES |
| Toy Shelf | BUYME |
| Cashier | EXPRESS |
| Toy Train Town | LITTLEPEOPLE |
| Rocket Base | NUKEM |
| Pool Table | EIGHTBALL |
| Pinball Machine | BLACKKNIGHT |