Half-Life: Decay
Half-Life: Decay is a multiplayer-only expansion pack for Valve's first-person shooter Half-Life. Developed by Gearbox Software and published by Sierra On-Line, Decay was released as part of the PlayStation 2 version of Half-Life in 2001. 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 female 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.
| Half-Life: Decay | |
|---|---|
| Developer(s) | Gearbox Software |
| Publisher(s) | Sierra On-Line |
| Designer(s) | Randy Pitchford |
| Writer(s) |
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| Series | Half-Life |
| Engine | GoldSrc |
| Platform(s) | PlayStation 2 |
| Release | November 14, 2001 |
| Genre(s) | First-person shooter |
| Mode(s) | Multiplayer |
Decay was not a critical success, but was received with some positivity by video game journalists. Many reviewers felt the game was best when played with other players, but that its more puzzle-oriented gameplay somewhat detracted from the overall experience. A number of reviews stated that the game simply felt like little more than an extra add-on for the PlayStation 2 version of Half-Life.