CastleDefense Home CastleDefense 0.0 / 5 ( 0 votes ) Your Rating? Discover CastleDefense – Play Free Now on WebGameFree! CastleDefense - Use various weapons to smash enemies and defend your base. Buy new upgrades for each base element and various weapons. Defend your base from stickman and army tanks. You can rebuild your base after each stage of the game. Have a nice game. Categories in which CastleDefense is included: Soccer Sports Ball