Posted on: June 14, 2025
mscott006
Games: 79 Reviews: 4
Very good mod
Great action and story, some tedious puzzles.
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DOOM 3: Phobos
Description
Waking up on Mars with no memory and a wound you can’t explain, you begin a desperate search for answers - about yourself, your past, and the catastrophe looming over two worlds.
You soon meet Samantha Miles, an agent of a sketchy world-wide conglomerate, who claims to know you. As she helps you with your identity, you aid her in the quest to find a long lost friend and missing agent. When the original events of Doom 3 unfold, the two of you must scramble for safety while still tracking down the missing agent and your identity.
Haunted by fragmented memories and guided by the familiar voice of a girl named Lee, you’ll unearth bittersweet flashbacks, and fight for survival as a mysterious and deadly invasion spreads from the shadows of Mars.
Doom 3: Phobos is a free mod for Doom 3, available to anyone who owns the base game and DOOM 3: Resurrection of Evil Expansion. It is developed non-commercially by Team Future.
Explore a new set of maps, enemies and story for the beloved old Doom 3 game.
The game is divided into 4 episodes of varying length.
Episode 1: Overdue
Released December 3 2018
Episode 2: Disruption
Released September 27 2020
Episode 3: Collapse
Released June 2 2024
Episode 4
To be released
Features:
- Original story set in the Doom 3 universe
- Original voice acting
- 19 Original maps
- 3 episodes
- New and improved shotgun
- 4 new enemies
- Updated weapons and enemies
- Improved and fast paced combat
- Environmental puzzles
System requirements
Minimum system requirements:
Recommended system requirements:
To play this game you also need
Time to beat
12 hMain
-- Main + Sides
-- Completionist
12 h All Styles
Game length provided by HowLongToBeat
Game details
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audio
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GOG Mods
- Curated selection of best mods
- New free content for your games
- Just install and play
From bug fixes, restored cut scenes, quests and characters to completely freshly-made new content, Mods are an essential part of the video game preservation. We teamed-up with these community-driven projects creators to offer you this list of handpicked Mods. Combining our strengths, these are now accessible right away, already installed within the base game for the smoothest experience.
The Mod you’re about to enjoy is the work of passionate fans who wanted to share their love in an even more meaningful manner. While every effort has been made to ensure a high-quality, stable experience, the original developers or publishers aren’t responsible for any issues that may occur from using this content.
User reviews
Posted on: June 12, 2025
Oddround
Games: 434 Reviews: 11
Blimey big MOD!
This is a pretty big MOD and a really good one too!
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Posted on: July 24, 2025
Rumpelstilskin
Verified ownerGames: 52 Reviews: 1
A very good Doom 3.5
Hello! I got the mod on GoG because it seemed to support ultrawide natively ( which was indeed the case. ) I'm blown away by the quality of this mod that, for me at least, totaly replaces DooM 3. It is the perfect blend of horror and action, the weapons have been tweaked compared to the original DooM 3 ( There is no more need to smell someone's breath to be in the fonctional range of the shotgun. ), far more enemies, more action in general. A few esoteric passage were you have to now what to do in order to progress, but nothing that drags down the experience too much. Highly recommended if you want more DooM in general or an alternative experience to the orignial DooM 3. Kindest Regards!
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Posted on: July 30, 2025
Acolyte87
Verified ownerGames: 582 Reviews: 3
Wish it was longer
Fun mod for Doom 3. Wish it was longer. Didn't even know this existed till GOG brought it out. No idea if it was continued or not.
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Posted on: August 1, 2025
merkfoolsallday
Verified ownerGames: 31 Reviews: 1
Awesome!!!
This is my first mod ever and its great! Works super well and there was no set up!
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Last 30 daysLast 90 daysLast 6 monthsWheneverAfter releaseDuring Early Access