. . . . . "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."@en . . "2001-11-14Z"^^ . . . . "Half-Life: Decay"@en . .