Natural Selection 2 is a strategy shooter game developed by Unknown Worlds Entertainment. The war between humankind and aliens is an eternal one, immerse in one variation of it by playing Natural Selection 2! Shoot and strategize better than your enemy, play either as human militant, or as an alien predator and turn the tides of battle to ensure your kinds survival! Issue orders, place structures, collect resources and advance in your abilities with technological enhancements as a human soldier or spread infestation, lay new alien spawning hives and change your form by mutation as an alien creature. Enrol into a constantly changing environment. Ultimate Survival 2 is constantly being updated, and all the game codes are open source which makes the game constantly grow, evolve, and change to meet the public desires!

Natural Selection 2 (NS2) is a multi-player, team oriented video game which combines first-person shooter and real-time strategy rules. It is set in a science fiction universe in which a human team fights an alien team for control of resources and te ...   more on Wikipedia

S.T.A.L.K.E.R. Shadow of Chernobyl is an action shooter RPG developed by GSC Game World. The game takes you back to year 2012, where the abandoned and excluded Chernobyl zone is yours to explore. Find out what dangers await there, you are sure to be affected by what you'll meet. Prepare for a thrilling open-world journey into the depths, where no man dares to set foot. This path was brought upon you, but now you will walk it till the very end.

S.T.A.L.K.E.R.: Shadow of Chernobyl is a first-person shooter survival horror video game developed by GSC Game World and published by THQ. ...   more on Wikipedia