Doom (Japan, USA)

32x Master Code. See notes.

Access secret levels!

All Pistol/chaingun ammo pickups are worth twice as much. See notes.

All Plasma Rifle ammo pickups are worth 4 times as much. See notes.

All rocket launcher ammo pickups are worth 4 times as much. See notes.

All shotgun ammo pickups are worth twice as much. See notes.

Armor pick-ups are worth 50 (instead of only 2). See notes.

Armor pick-ups are worth 8 (instead of only 2). See notes.

Blue health pick-ups are worth 100 (instead of 2). See notes.

Blue health pick-ups are worth 50 (instead of 2). See notes.

Blue health pick-ups are worth 8 (instead of only 2). See notes.

Fake Infinite Ammo [All Weapons]

Fake Infinite Health

Fake Infinite/Maxed Armor

Infinite Chaingun ammo. See notes.

Infinite Health. Also applies to enemies. See notes.

Infinite pistol ammo. See notes.

Infinite Plasma Rifle ammo. See Notes.

Infinite Rocket Launcher ammo. See notes.

Infinite shotgun ammo. See notes.

Intro title / sound effect / sample modifier

Level Modifier

Max health is increased to 1000 (instead of 200). See notes.

Max health is increased to 250 (instead of 200). See notes.

Max pistol and chaingun ammo is 499 (instead of 200). See notes.

Max Plasma Rifle ammo is 499 (instead of 300). See notes.

Max rocket launcher ammo is 200 (instead of 50). See notes.

Max Shotgun ammo is 400 (instead of 50). See notes.

No damage from the red or green pools of Ooze (it normally causes 2 points of damage every second you're standing in it). See notes.

Note

Start with 125 health (instead of 100). See notes.

Start with 125 pistol ammo (instead of 50). See notes.

Start with the Chaingun. See notes.

Start with the Rocket Launcher. See Notes.

Your armor never gets damaged (although you can still die). See notes.