xcom enemy unknown
Demo   

You must save the Earth of the alien invation!

starcraft 2

StarCraft II

 1.9.1
Demo   
4

The strategy in real time with this game; Are you going to try it?

eve online

EVE online

 21.05
Buy   
3

A universe which is full of possibilities

Buy
ufo alien invasion
Free (Open Source)   

Strategy and suspense unite as you rid the planet of alien invaders.

red eclipse
Free (Open Source)   
1

With Red Eclipse you will have a great community in the future.