Note: This is the 1993 game by iD Software, not to be confused with the 2016 game Doom by iD Software.
Cheat CodesWhile playing the game, enter one of the following codes to activate the corresponding cheat function:
| Result | 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] |
