Tower Defense Home Tower Defense 0.0 / 5 ( 0 votes ) Your Rating? Discover Tower Defense – Play Free Now on GameHard! Tower Defense - Build your powerful tower defense base and destroy all the monsters. You need to protect the portal and upgrade your magic towers. Use the mouse to interact with the game and build a new tower. Play the Tower Defense game at RegionGame and have fun. Categories in which Tower Defense is included: Board Ball 1 Player