Your task in this arcade shooter is to fight for human kind against an unstoppable horde a machines and shoot thousands of bullets at an unstoppable horde of machines that want to eat your face. Earn points to upgrade your shooter and buy new skills. Use WASD KEYS to move. Use YOUR MOUSE to aim and shoot. Press ENTER to open/close skill tree. Press 1-4 NUMBER KEYS to quickly select a new Active Skill. Press SPACEBAR to use your Active Skill. Have fun!