Half-Life: Decay

created by Gearbox Software LLC and published by Sierra Entertainment, Inc.

PlayStation 2

Featured in the PS2 release of Half-Life, Decay follows a story running parallel to that of Half-Life, Opposing Force and Blue Shift, featuring two of Gordon Freeman's colleagues unseen in other games. Designed for co-op play, the player must switch back and forth between the two characters if playing alone.


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