Released on November 14, 2001, Decay received a weak but overall positive reception from critics, many reviewers stating that it was fun to play through with a friend, but that the game's more puzzle-oriented gameplay detracted from the overall experience.
Decay, released on November 14, 2001, garnered a modest yet favorable response from critics, with many reviewers highlighting its fun multiplayer aspect, while also acknowledging that the game's emphasis on puzzles diminished the overall enjoyment.