外星人身边！拿一把枪，并把他们都杀掉！
* Dynamic 3D fps game.
* Devastating sci-fi weapons.
* Hero upgrade system.
* Cool graphics and special effects.
Alien assault caught you by surprise. Humanity is in danger. Follow your commander orders and kill this monsters. Receive more awards for marksmanship and upgrade your weapons and skills. Complete quests and survive in epic boss fight.