• Register

Half-Life: Decay is the the third expansion pack for the award-winning game, Half-Life. It was included as part of the PS2 version of Half-Life. Decay returns to the setting and timeline of the original story, albeit portraying the story from the viewpoint of a different set of protagonists: two scientists working in the Black Mesa Research Facility. Decay is a cooperative multiplayer game, designed to be played by two people working together to pass through the game's levels.

NOT available on IndieDB

The game you are trying to view is not yet available on IndieDB. If this is your project and you would like to release it on IndieDB, please contact us with the details. View Half-Life: Decay on ModDB.

Continue browsing the game list, to find the profile you are after.

You may also like
3079

3079

First Person Shooter

3079 is a futuristic, open-world action first-person role playing game. You arrive on a planet experiencing constant war. It is your duty to find out...

Primal Carnage

Primal Carnage

First Person Shooter

Dinosaurs have been unleashed on an old military controlled island due to an experiment gone awry. A team of mercenaries have been dispatched to contain...

DROSS

DROSS

First Person Shooter

DROSS is a first person Co-Op Xeno-Horde Procedural Rogue-like. Featuring unique procedurally generated Levels, huge swarms of endless Xeno bugs, powerful...

Alien Arena: Warriors Of Mars

Alien Arena: Warriors Of Mars

First Person Shooter

Do you like old school deathmatch with modern features but none of the frills that have ruined the raw purity of the genre? How about rich, colorful...

Membrane

Membrane

First Person Shooter

You awaken in an Alien Laboratory. They have been using humans for biological experiments. Unfortunately for them, this time the experiment worked! Membrane...

Borderlands

Borderlands

First Person Shooter

Borderlands is an original First Person Role Playing Shooter that combines the intuitive reward systems of action role playing games and the frantic-paced...

Interstellar Marines

Interstellar Marines

First Person Shooter

Interstellar Marines is an immersive AAA-quality Indie FPS with RPG elements, tactical co-op & nonlinear gameplay set in a believable future.

Zandronum 2.0

Zandronum 2.0

First Person Shooter

Zandronum is a free open-source advanced multiplayer sourceport capable of running various games such as Doom, Doom II, Final Doom, Heretic, Hexen, and...

Living Legends 2: Armored Combat

Living Legends 2: Armored Combat

First Person Shooter

Living Legends 2: Armored Combat is a follow-up to the award-winning fan game MechWarrior: Living Legends, featuring a tactical sandbox of combined arms...

Duke Nukem Forever

Duke Nukem Forever

First Person Shooter

Duke Nukem will bring his signature brand of babe-lovin', cigar-smoking, beer-chugging and ass-kicking action as he once again saves the Earth and our...

Serious Sam 3: BFE

Serious Sam 3: BFE

First Person Shooter

Serious Sam 3: BFE is a glorious throwback to the golden age of first-person shooters where men were men, cover was for amateurs and pulling the trigger...

Augustine: Despondent

Augustine: Despondent

First Person Shooter

Augustine is a first person multiplayer shooter that aims to bring about a fun experience. It's packed with several gamemodes and a custom gamemode creator...