Doomsday Defense is a Shooting game on PFreeGames.com. You can play Doomsday Defense in your browser for free. As the demons prepare to rise from hell and take over the world, you are the last commander left alive to prevent this outbreak from happening! Equipped with various weapons to defend your post against the demons including a rocket launcher and sub machine gun. There are an unlimited waves of minions and follower beasts, at wave 20 and 40 you get a boss to fight. Defend your castle from being over hauled by the demons!