Doom FAQs

1.1 Cheat Codes

1.2 Completing Level 30

1.3 Demo Problems

1.1 Cheat Codes

These are the cheat codes for Doom and Doom II, along with what they actually do...

Cheat Doom Code Doom II Code What It Does

God Mode IDDQD IDDQD Gives you 100% health and makes you invulnerable to all damage - including getting crushed by a ceiling or fried by radiation. The only thing that can still kill you is if another player or monster is teleported on top of you (called a tele-frag).

Very Happy Ammo IDKFA IDKFA Gives you all the keys, all the weapons, and full ammo for all of them. It does NOT give you a backpack.

Happy Ammo IDFA IDFA Gives you all the weapons and ammo, but NO keys.

No-Clipping IDSPISPOPD IDCLIP Allows you to walk through walls, clear tall buildings in a single bound etc etc

Level Warp IDCLEV IDCLEV Takes you to another level.
For Doom, type in IDCLEV followed by the Episode number (1-4) followed by the mission number (1-9) that you want.
For Doom II, just type in the map number (1-32)

Cheat Menu IDBEHOLD IDBEHOLD Brings up a menu of different cheats. To select one press the appropriate letter as follows:
I - Invisibility
S - Berserker
R - Rad Suit
A - All-map
L - Light Amplification

Chainsaw IDCHOPPERS IDCHOPPERS Gives you the chainsaw.

Monster Frag FHHALL FHHALL In Doom '95 only, this code will kill every monster on the current level, except for the icon spitter and lost souls...

Monster Sleep FHSHH FHSHH In Doom '95 only, this code will turn all the monsters on the level into pacifists... Monsters can only be roused to attack you if you fire a weapon.

Cheat	Doom Code	Doom II Code	What It Does
God Mode	IDDQD	IDDQD	Gives you 100% health and makes you invulnerable to all damage - including getting crushed by a ceiling or fried by radiation. The only thing that can still kill you is if another player or monster is teleported on top of you (called a tele-frag).
Very Happy Ammo	IDKFA	IDKFA	Gives you all the keys, all the weapons, and full ammo for all of them. It does NOT give you a backpack.
Happy Ammo	IDFA	IDFA	Gives you all the weapons and ammo, but NO keys.
No-Clipping	IDSPISPOPD	IDCLIP	Allows you to walk through walls, clear tall buildings in a single bound etc etc
Level Warp	IDCLEV	IDCLEV	Takes you to another level. For Doom, type in IDCLEV followed by the Episode number (1-4) followed by the mission number (1-9) that you want. For Doom II, just type in the map number (1-32)
Cheat Menu	IDBEHOLD	IDBEHOLD	Brings up a menu of different cheats. To select one press the appropriate letter as follows: I - Invisibility S - Berserker R - Rad Suit A - All-map L - Light Amplification
Chainsaw	IDCHOPPERS	IDCHOPPERS	Gives you the chainsaw.
Monster Frag	FHHALL	FHHALL	In Doom '95 only, this code will kill every monster on the current level, except for the icon spitter and lost souls...
Monster Sleep	FHSHH	FHSHH	In Doom '95 only, this code will turn all the monsters on the level into pacifists... Monsters can only be roused to attack you if you fire a weapon.

NOTE - Cheats will not work in multiplayer games!

1.2 Completing Level 30

One of the most frequently asked questions of all time is "How do I complete level 30 of Doom II?". Here's how -

You find yourself in a small room. Pick up all the ammo, weapons and power-ups before stepping into the teleporter.
You will appear in the slime at the bottom of a flight of giant steps. Make your way to the top - you bring down the 'step' above you by pressing the different-textured bit at one end of the 'step'.
Once there, find the switch - it's in an alcove in the middle of the end wall and looks like a helmet painted on the wall. Press the button and the platform in the slime at the bottom of the level will start to rise.
Go down to the platform and bring it down by pressing it. The platform will now lower, and you can climb on.
As it rises again you should be able to see a hole in the forehead of the demon. As the platform rises you have to use your rocket launcher, timing it just right so that your rockets go into this hole as you fire them.
When the platform reaches the top, jump off (try and put another rocket in the hole as you fall) and start again... You need to score three direct hits to end the level.

1.3 Demo Problems

Some WADs include their own demos. However, this can cause problems if the version of the game the demo was recorded in is different from the one you're using - the game will crash when the demo starts playing back.

If you are not using Doom v1.9, then the best thing to do is just upgrade to v1.9 - the upgrade patch can be downloaded for free off the internet. Check my page on Upgrade Patches for more details...

If you are using v1.9 and the game crashes because of a demo, it means the demo comes from an older version of the game. If you're quick, you should be able to start the game up before the demo starts to playback, and then the rest of the WAD should run OK...

The alternative is to strip the demos out of the WAD. This can be done using a handy utility called KillDemo. Just run KillDemo on the offending WAD file and the demos will be removed. Otherwise your WAD will be left intact...

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