Item

Doom
The items flagged with a percent sign (%) count toward the ITEMS percentage displayed on the intermission screen. Items flagged with a number sign (#) are always picked by the player when passed over, even when not needed.

Health

 * See also: Berserk pack (below)

Doom II/Final Doom
All of the above items, plus:

Doom RPG
Doom RPG includes many of the items from the original Doom, and additionally the following unique items:

marilyn monroe aqualung soldier kanye west marilyn monroe kittie aqualung r. kelly bloc party xzibit akon lonely angelica bridges the faint billy joel arctic monkeys the starting line crossfade lindsay lohan james blunt soldier otep sublime alison krauss the starting line my chemical romance helena crossfade akon pitbull the faint carrie underwood akon as i lay dying akon lonely whore achilles three 6 mafia accidents lindsay lohan topless accidents my chemical romance taking back sunday gwen stefani blood brothers martina mcbride abstract the pussycat dolls abstract frank zappa paul mccartney 50 cent mp3 paul mccartney janet jackson martina mcbride the clash lindsay lohan nude camron keith urban jimmy eat world the starting line norah jones lindsay lohan nude alias lindsay lohan boobs as i lay dying daniel powter melissa etheridge lindsay lohan topless alison krauss lindsay lohan naked rosetta stone lindsay lohan topless the starting line juelz santana ja rule unwritten law killswitch engage three 6 mafia the faint lindsay lohan norah jones sugarland trans-siberian orchestra gretchen wilson janis joplin rob thomas rancid juelz santana nofx lindsay lohan nude courtney love pussycat dolls gretchen wilson gwen stefani 50 cent mp3 pussycat dolls lamb of god carrie underwood avenged sevenfold bat country ashlee simpson boyfriend jimmy eat world kanye west gold digger wolverine pussycat dolls lindsay lohan nude renaissance whore outkast trina jewel killswitch engage toni braxton janet jackson toni braxton rihanna as i lay dying janet jackson the white stripes lindsay lohan nude dmx d12
 * Axe
 * Dog Collar
 * Fire extinguisher
 * Halon canister
 * UAC credit

Health

 * Crystal vial

Armor

 * Enchanted Shield
 * Silver Shield

Items

 * Map Scroll

Artifacts

 * Chaos Device
 * Morph Ovum
 * Mystic Urn
 * Quartz Flask
 * Ring of Invulnerability
 * Shadowsphere
 * Timebomb of the Ancients
 * Tome of Power
 * Torch
 * Wings of Wrath

Keys

 * Blue Key (Heretic)
 * Green Key (Heretic)
 * Yellow Key (Heretic)

Health

 * Crystal vial

Armor

 * Amulet of Warding
 * Falcon Shield
 * Mesh Armor
 * Platinum Helm

Artifacts

 * Banishment Device
 * Boots of Speed
 * Chaos Device
 * Krater of Might
 * Dark Servant
 * Disc of Repulsion
 * Dragonskin Bracers
 * Fléchette
 * Icon of the Defender
 * Mystic Ambit Incant
 * Mystic Urn
 * Porkalator
 * Quartz Flask
 * Torch
 * Wings of Wrath

Puzzle items

 * Clock Gear (Bronze And Steel)
 * Clock Gear (Bronze)
 * Clock Gear (Steel And Bronze)
 * Clock Gear (Steel)
 * Daemon Codex
 * Emerald Planet 1
 * Emerald Planet 2
 * Heart of D'Sparil
 * Liber Oscura
 * Pedestal of D'Sparil
 * Ruby Planet
 * Sapphire Planet 1
 * Sapphire Planet 2
 * Yorick's Skull
 * Yorick's Statue

Mana

 * Blue Mana
 * Combined Mana
 * Green Mana

Keys

 * Axe Key
 * Castle Key
 * Cave Key
 * Dungeon Key
 * Emerald Key
 * Fire Key
 * Horn Key
 * Rusty Key
 * Silver Key
 * Steel Key
 * Swamp Key

Quest things

 * 10 Gold
 * 25 Gold
 * 50 Gold
 * Broken Power Coupling
 * Communicator
 * Computer
 * Gates (Piston)
 * Gold Coin
 * Guard Uniform
 * Offering Chalice
 * Officer Uniform
 * Power Coupling

Keys

 * Base Key (Front)
 * Blue Crystal Key
 * Blue ID Card
 * Brass Key
 * Chapel Key
 * Core Key
 * Factory Key
 * Gold ID Badge
 * Gold Key
 * Mauler Key
 * Mine Key
 * Oracle Key
 * Order Key
 * Red Crystal Key
 * Severed Hand
 * Silver Key
 * Travel Passcard
 * Warehouse Key