The third expansion for the original game, it features two-player cooperative gameplay (in split-screen) with the two female scientists Gina Cross and Colette Green as the protagonists. The PlayStation 2 version of Half-Life is a port of the Windows game, but with a significant overhaul for the weapons and character models, as well as the overall map geometry and some extended levels.It also includes an expansion pack that is referred to as Half-Life: Decay, which was never officially available as an expansion for the Windows game until it was eventually recreated as a modification.
