Use arrows or WASD to move the cross hair, press c to reload, and V to use your power up (when it is charged), have fun and do your best to become top sniper.
If U press X it messes the game up try not to. get 220 or over and you are actually nasty. ===========STORY=============== A ufo approaches are 51, and not wanting to assume the aliens were bad, you squad tries to communicate with them. The aliens shoot your whole squad, and you are the last one standing. Can you save your planet?