Defend your military base and attack the enemy base with all your power. Kill stronger enemy units to gain more points, new weapons or life bonuses. From time to time you can call for help by pressing the "Space" key for a more effective attack. Enemy military units should be kept away from your base and your army will take care of that if you call in time. Use your mouse to shoot, "W,A,S,D" keys to move, "Q,E" to change your weapons and "ESC or P" to pause the game. Good luck!