Posted on: July 30, 2025
Acolyte87
Verified ownerGames: 586 Reviews: 8
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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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
15.5 hMain
-- Main + Sides
-- Completionist
15.5 h All Styles
Game length provided by HowLongToBeat
Game details
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audio
text
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: 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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Posted on: June 27, 2025
ollyeta
Games: 451 Reviews: 2
DOOM 3 PHOBOS
"Excellent" More DOOM 3 for me & Its Free :)
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Posted on: July 22, 2025
vaultdwellerbg
Verified ownerGames: 510 Reviews: 3
Good mod
I've been eyeing this mod for some years and finally decided to give it a go thanks to GOG Mods, as installing mods can be a hassle sometimes. Overall I had very good time with the gameplay changes and the new/altered enemies. At times I felt lost and I didn't like some of the fights in cramped corridors. What I found most jarring was the way the story is handled. I appreciate that they tried something different, but the story driven sections are breaking the pacing in a bad way for me and the game does not feel like Doom at all in these moments. Nevertheless, it's a good mod and I would recommend trying it if you have any interest at all.
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Posted on: June 9, 2025
RetroFan
Games: 561 Reviews: 98
Cool
Schön das gog nun auch Mods offiziell anbietet. Diese Doom 3 - Mod kannte ich bislang noch gar nicht. Eine der ersten Mods war ja Doom 3 classic mod gewesen, welche versuchte die ersten beiden Doom-Spiele aus den 90ern zu rekonstruieren. Mir gefällt diese Mod sehr gut und ist spannend gemacht.
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