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DOOM 3 Doom III adventure archiveDOOM 3GUIDES

DOOM 3 Guide

2004 · Horror first-person shooter

Game guides

Find the guide you need
GuideWhat you will find
A skeletal armed enemy approaches while the Marine holds a firearm in a metal corridor.Getting startedLearn survival habits for the original PC campaign and its separate flashlight.
A spider-like demon fills a dark DOOM 3 passage.WeaponsCompare the original campaign arsenal and the resource each specialist weapon needs.
Several zombies approach through an orange-lit doorway.Locker codesLook up selected original-campaign lockers and read the PDA clues that identify them.
Flaming skull-like Lost Souls advance through a dark industrial area.Boss solutionsIdentify the special mechanic in each major original-campaign boss encounter.
A skeletal armed enemy approaches while the Marine holds a firearm in a metal corridor.CharactersIdentify the people, opponents and playable roles in DOOM 3, with their functions and relationships in compact tables.

At a glance

Three useful starting points
FocusWhat to know
Read PDAs after clearing the roomEmails and recordings contain routes, access information and locker codes.
Switch light and weapon deliberatelyThe original flashlight occupies the held-item slot.
Identify the boss mechanismGuardian and Cyberdemon encounters require more than firing the nearest weapon.

Characters Character guide →

Key characters and their roles
CharacterRoleAt a glance
MarinePlayable protagonistArrives at the UAC Mars base shortly before the outbreak.
Sergeant KellyMarine commanderDirects the Marine through radio contact early in the campaign.
Dr. Malcolm BetrugerUAC scientistA central figure in the base's experiments and disaster.
Elliot SwannUAC representativeVisits Mars to investigate the facility.
Jack CampbellSwann's bodyguardAccompanies the investigation team.
Dr. Ian McCormickScientistProvides important information about the experiments and Soul Cube.

Quick answers

Unlocks, routes and useful answers
TopicGo straight to
Locker codesMatch number and location →

Pictures All pictures →

A skeletal armed enemy approaches while the Marine holds a firearm in a metal corridor.
A skeletal armed enemy approaches while the Marine holds a firearm in a metal corridor.
A spider-like demon fills a dark DOOM 3 passage.
A spider-like demon fills a dark DOOM 3 passage.
Several zombies approach through an orange-lit doorway.
Several zombies approach through an orange-lit doorway.
Flaming skull-like Lost Souls advance through a dark industrial area.
Flaming skull-like Lost Souls advance through a dark industrial area.
References
Guide references
ReferenceWebsite
DOOM 3: game and edition overviewstore.steampowered.com