Steam now offers the promised release of NS2 Combat, Faultline Games' standalone first-person MOBA based on the asymmetric combat in Natural Selection 2. The game carries a 10% launch discount, and for those interested, the developers are just concluding a 96 hour livestream on Twitch for charity. Here's a rundown on the game:

Combat pits aliens against space marines in a fast paced, action-packed struggle for survival. Part twitch-shooter, part stealth crawler, you can choose your own play style using one of seven different life forms.

NS2: Combat includes seven different player-controllable lifeforms, a vault full of weapons and abilities, a stats system, full modding support and 5 original maps. Games last around 15 minutes and players may join and leave at any time. You can try unique abilities such as 'Devour', where the largest alien eats her enemies, or pilot the hulking mechanized 'Exo Suit' and punch aliens in the face.