All of the codes except 'iddqd', 'idfa', 'idkfa', and 'idmypos' can be toggled on and off even though some of the codes only last a few seconds.
	The "Add Ammo" codes 'idfa' and 'idkfa', in addition to providing all weapons to you, will base the max amount of ammo you receive on whether or not you have picked up a backpack which would double your carrying capacity for ammo.
	The Computer Map code 'iddt' must be entered while in Automap mode.
	The AutoMap code 'iddt will remain in effect unless/until the code is toggled again by you. Enhancements to the Automap will remain in effect while you move or warp from level to level.
	The 'idmypos' code is disabled if Messages are off (hit F8 to toggle Messages).
	In E1M8: the Phobos Anomaly, the Invincibility code 'iddqd' is disabled in the last room.
	All cheat codes except the Level Warp 'idclev' and the Map All Lines 'iddt' are disabled in Nightmare Mode.

	All of the codes except 'iddqd', 'idfa', 'idkfa', and 'idmypos' can be toggled on and off even though some of the codes only last a few seconds.
	The "Add Ammo" codes 'idfa' and 'idkfa', in addition to providing all weapons to you, will base the max amount of ammo you receive on whether or not you have picked up a backpack which would double your carrying capacity for ammo.
	The Computer Map code 'iddt' must be entered while in Automap mode.
	The AutoMap code 'iddt will remain in effect unless/until the code is toggled again by you. Enhancements to the Automap will remain in effect while you move or warp from level to level.
	The 'idmypos' code is disabled if Messages are off (hit F8 to toggle Messages).
	In Map 30 no type of invulnerability will protect you if a monster materializes (spawns) onto your coordinates in the final room.
	All cheat codes except the Level Warp 'idclev' and the Map All Lines 'iddt' are disabled in Nightmare Mode.

Doom95 Cheat Codes

At any time during play or in pause mode, type the following codes to get your desired result:

These Doom95 codes are added to the capabilities of the type of doom you are playing. So if you are playing Doom95 over a Doom/Ultimate Doom game then you can use all of the codes normally used for Doom/Ultimate plus these Doom95 codes.

	The only monsters that the Mass Kill code 'fhhall' will not kill are Lost Souls and John Romaro's Head. This code will cause 10,000 damage points to all other monsters, which will not only kill monsters, but make Imps and Humanoid monsters explode.
	The Quiet Mode code 'fhshh' will be become ineffective if: The monster hears you use any weapon including the fist The monster is damaged by another monster's attack The code is toggled off and the monster sees you Weather or not a monster will be alerted to sound depends on the sound-propagation range, if a weapons sound can't reach a given monster, the monster will not be alerted.
	When warping or moving to a new level the Mass Kill code 'fhhall' will not preserved while the Quiet Mode code 'fhshh' will be preserved, as long as you are quiet.
	Both the Mass Kill code 'fhhall' and the Quiet Mode code 'fhshh' are disabled in Nightmare Mode.
	Quiet Mode is not preserved in saved games.