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The PlayStation 2 version of Half-Life is a port of the Windows game, but with a significant overhaul for the weapons and character models, as well as the overall map geometry and some extended levels.

It also includes an expansion pack that is referred to as Half-Life: Decay, which was never officially available as an expansion for the Windows game until it was eventually recreated as a modification. The third expansion for the original game, it features two-player cooperative gameplay (in split-screen) with the two female scientists Gina Cross and Colette Green as the protagonists. It is meant to be played with two players at the same time as it is more puzzle-oriented than the original game and the first two expansions. Singleplayer is also possible, but then switching between the two characters is necessary to advance. When not active, the other character is AI controlled for basic actions.

It is set at the same time of the events in the original Half-Life, but from the perspective of other characters. All enemies and weapons are based on the original game and many of the missions have a more friendly approach about working together or rescuing NPCs. Unique to the series as a whole is the lack of a single narrative; instead the add-on consists of fixed, separate missions. At the end of each mission, statistics are shown and the player is graded. When the nine levels are completed with an A grade, a bonus mission is unlocked where players control and work together as two Vortigaunts. As an additional bonus, the entire singleplayer can then also be completed as a Vortigaunt.

The game supports an USB mouse and keyboard for more precise control.


Half-Life PlayStation 2 Doctor Keller is a new character, and in charge of Anomalous Materials analysis.
Half-Life PlayStation 2 Character models use the redesign from <moby game="half-life blue shift">Blue Shift</moby>'s HD pack.
Half-Life PlayStation 2 Decay is the PS2-exclusive co-op episode.
Half-Life PlayStation 2 Your stats are tracked per level, and contribute to your end of level rating.

Promo Images

Half-Life Screenshot
Half-Life Magazine Advertisement
Half-Life Screenshot
Half-Life Screenshot


Alternate Titles

  • "Hλlf-Life" -- Cover / in-game title
  • "Half-Life: Decay" -- Included add-on title

Part of the Following Groups

User Reviews

Simply a classic, a jewel of the gaming industry! Reborn_Demon (136) 4 Stars4 Stars4 Stars4 Stars4 Stars

Critic Reviews

Game Vortex 2001 95 out of 100 95
PSM Dec, 2001 9 out of 10 90
Gamesmania.de Dec 21, 2001 89 out of 100 89
GameSpot Nov 14, 2001 8.8 out of 10 88
Computer Bild Spiele Nov, 2001 1.67 out of 6 87
Gamekult Dec 06, 2001 8 out of 10 80
Super Play (Sweden) Nov, 2001 7 out of 10 70
PlayFrance Apr 09, 2003 7 out of 10 70
Gamereactor (Denmark) Jan 27, 2002 7 out of 10 70
Game Critics May 03, 2002 7 out of 10 70


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Related Web Sites

  • Half-Life: Decay (The expansion from this game recreated as a modification for the original Windows version of Half-Life)
  • Wikipedia: Half-Life: Decay (article in the open encyclopedia about the Decay expansion included with this game)
Sciere (813262) added Half-Life (PlayStation 2) on Oct 29, 2008