Cheat Codes
While playing a game, enter one of the following codes to activate the corresponding cheat function:
| Cheat | Cheat Code |
| Invincibility | iddqd |
| All weapons, keys, ammo, and 200% armor | idkfa |
| Berserker strength | idbeholds |
| Temporary invincibility | idbeholdv |
| Temporary invisibility | idbeholdi |
| Full automap | idbeholda |
| Anti-radiation suit | idbeholdr |
| Light amplification visor | idbeholdl |
| Walk through walls | idspispopd |
| Chainsaw | idchoppers |
| Level select | idclev[episode number][map number] |
| Toggle full map; full map and objects; normal map | iddt |
| Display coordinates and heading | idmypos |
| Change music to indicated level | idmus[level number] |