SiN Episodes: Emergence Intense Combat - Face off against ruthless enemies, like mutants that evolve as you fight them. Witness enemies that adapt to your actions and truly work as a team, as they cover each other, and help fallen comrades to get back on their feet Outsmart your opponents by using your environment to your advantage as you set up traps using lethal elements of the environment. Location based damage rewards accuracy while melee combat moves enable you to get up close and personal Unprecedented Interactivity - Blast your way through highly interactive environments powered by an enhanced version of the Source engine. Characters dynamically react to what you're looking at and the environment Episodic Delivery - Buy as little or as much of the game as you want, with each installment offering 3 - 6 hours of action-packed gameplay. But tread lightly, as the choices you make may influence future episodes in unforeseen ways For Windows 98/ME/2000/XP and Intenet connection required