You wake up in the middle of the night, aliens start coming from the skyes, you load up your grandads auto cannon and you need to defend your house from the attackers. Use multiple weapons like Anti-Aircraft cannon, protecting shield and microwave pulse to defend your little house from destruction. Enemies range from kamikaze alien battering rams, little annoying planes, to larger more advanced enemies like gigantic alien mecha fly and tentacle hitler. Goal of the game is to survive as long as you can.