GAMES
Doom
Spoilers

Cheat Codes

• idkfa - You get max ammo, max armour, max weapons and all the keys. This cheat is more effective if you've found a backpack (if you have a backpack, then using the cheat gets you twice as much ammo as without a backpack).
• idfa - same as idkfa, but without the keys (version 1.666+ only)
• iddqd - god mode. make you invincible
• idclev x y - warps you to episode x, mission y
• idmypos - shows your position in doom (in hex)
• idbehold - allows you to get more of different items depending on which key you press immediatelly after the code:
  • A - Allmap (computer map),
  • I - Invisibility,
  • L - Light Amplification,
  • R - Radiation Suit,
  • S - Berserker,
  • V - Invulnerability,
• idspispopd - Walk through walls (zero clipping, they call it). Type this again to turn it off. You can't activate teleporters, pick up things, etc., when this mdoe is on. Plus, it can be tricky to fight the bad guys because their gun blasts, etc. can knock you through a wall!).
• idchoppers - gives you the chainsaw
• iddt - In the Map mode (after pressing the TAB key)
  • type once: show entire map,
  • type twice: show all monsters as well
  • type a third time: back to normal.
  • type ALT + iddt four times in deathmatch (v1.8+)