Can you Defend The Den from hordes of zombie attack in Defend the Den: Dennis and Gnasher Unleashed Game? A cool tower defense game where you strategically place your weapons. This 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 logic and fun game. To play even more free games, view our most played and all games pages. If you want to play more games like Defend the Den: Dennis and Gnasher Unleashed. 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.