• 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
Cyboid

Cyboid

First Person Shooter

Cyboid is an FPS for Android and Fire Devices by "old-school" professional programmer, Randy Linden (bleem!). Page maintained by Pip Nayler.

Histera

Histera

First Person Shooter

Histera is a free-to-play, fast-paced multiplayer shooter with a battlefield that changes on the fly: chunks of battlefield from past, present and future...

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...

Cube MetalHeart 2 - Combat Squared

Cube MetalHeart 2 - Combat Squared

First Person Shooter

Cube MetalHeart is back ! Get ready for an intense battle experience featuring Tesseract Engine ! 3 new gamemodes dedicated for advanced FPS players...

Feud

Feud

First Person Shooter

A free competitive first person shooter based on the demo that is available with UDK. Use your guns, sword, jet boots and your ability to temporarily...

Aliens: Colonial Marines

Aliens: Colonial Marines

First Person Shooter

Aliens: Colonial Marines is a squad-based first-person shooter in which the player controls four Colonial Marines, each with a different personality and...

Tribes 2

Tribes 2

First Person Shooter

The sequel to the very popular Starsiege: Tribes. This online only game features more vehicles, more action, and updated technology to take you to the...

Borderlands 2

Borderlands 2

First Person Shooter

Set five years after the events of Borderlands, Handsome Jack, the game's main antagonist, has taken over the Hyperion corporation, has declared himself...

Stellar Prey

Stellar Prey

First Person Shooter

GrangerHub is proud to announce the beginning of the new Free and Open Source game project, Stellar Prey. GrangerHub’s STELLAR PREY™ game is a first...

Eden Star

Eden Star

First Person Shooter

Eden Star is a dark, Sci-fi AAA+ take on the 'mine, create, survive' gameplay found in popular voxel-based creation games. The world of Pharus 7 boasts...

Half-Life: Blue Shift

Half-Life: Blue Shift

First Person Shooter

Made by Gearbox Software and originally released in 2001 as an add-on to Half-Life, Blue Shift is a return to the Black Mesa Research Facility in which...

E.Y.E: Divine Cybermancy

E.Y.E: Divine Cybermancy

First Person Shooter

After unending war with metastreumonic Force, the powerful organisation Secreta Secretorum that you belong to is finally ready to undermine the head-strong...