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Half-Life, electronic game released by American game developer Sierra Studios in 1998 for personal computers (PCs) and in 2001 for the Sony Corporation’s PlayStation 2 video-game console. One of the most popular and critically acclaimed games of the late 1990s, Half-Life followed theoretical physicist Gordon Freeman as he blasted his way through a research facility where his own experiments had gone horribly wrong. Half-Life differed from other first-person shooter games by moving away from cinematic...