GameSpot has learned that Half-Life: Decay for the Sony PlayStation 2 is nearing completion. The game will go gold in a matter of days and, according to Sierra, it is about to be submitted to Sony for verification. Half-Life: Decay will feature new cooperative, deathmatch, and multiplayer modes and enhanced graphics on the PS2. The game is being developed by Gearbox Software and should be released in September. For more on the game check out our 2715726previous coverage .