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Half-Life: Decay
Half-Life: Decay is an expansion pack for Valve Software's science fiction, first-person shooter video game Half-Life. Developed by Gearbox Software and published by Sierra Entertainment, Decay was released as part of the PlayStation 2 version of Half-Life released on November 14, 2001. It is the...
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Single player
A single-player video game is a variant of a particular video game where input from only one player is expected throughout the course of the gaming session. "Single-player game" usually implies a game that can only be played by one person, while ...
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Cooperative gameplay
Cooperative gameplay (often abbreviated as co-op) is primarily a feature in video games that allows players to work together as teammates with the absence of player-controlled competitors. Cooperative gameplay is usually built around the single...
