Half-Life: Decay
Released 14 November 2001 on PlayStation 2
- Developer
- Valve Corporation, Gearbox Software
- Publisher
- Sierra Entertainment
- Made in
- Bellevue, United States
- Genre
- Shooter, Platform, Puzzle
- Themes
- Action, Science fiction
- Series
- Half-Life
About Half-Life: Decay
Half-Life: Decay is an expansion pack for Valve Software's science fiction, first-person shooter video game Half-Life. Developed by Gearbox Software and published by Sierra Entertainment, Decay was released as part of the PlayStation 2 version of Half-Life. It is the third expansion pack for Half-Life, and like its predecessors, 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.
Summary: IGDB.
Release dates
| PlayStation 2 | 14 November 2001 |
|---|
Screenshots




Half-Life series
Half-Life: Decay is game 4 of 12. All 12 in order ›
- Half-Life 1998
- Half-Life: Opposing Force 1999
- Half-Life: Blue Shift 2001
- Half-Life: Decay 2001
- Half-Life: Source 2004
- Half-Life 2 2004
- Half-Life 2: Deathmatch 2004
Games like Half-Life: Decay
- Defy Gravity 2011
- Humanity 2023
- Soda Crisis 2022
- Ghost in the Shell Online 2016
- Super Contra 1988
More from Valve Corporation
- Half-Life 1998
- Team Fortress 2 2007
- Counter-Strike 1999
- Half-Life 2 2004
- Dota 2 2013
Out the same week
- Empire Earth 2001
- Metal Gear Solid 2: Sons of Liberty 2001
- Europa Universalis II 2001
- Resident Evil Survivor 2 – Code: Veronica 2001
- Tom Clancy's Ghost Recon 2001