Pirate Defense is a tower defense strategy game. You need to place the defenses to stop incoming pirates in 15 challenging levels divided in 3 regions. Upgrade and boost your defenses for a stronger defense. Pirate Defense Game is one of many web based games on Round Games for you to play online without downloading. This game is one of the Strategy Games at Round Games. It also tagged as a tower defense and monster game. To play even more free online games, view our popular and all games pages. If you want to play more like Pirate Defense Game. Then you can simply check out the games inside the game tags that are the most relevant to your interests. Or check the Strategy Games category or check the related games section at the end of the game page. You can play this game on all devices.