Zoobi - 3D Tower Defense is a free-to-play strategy game developed by Happy Gamefor Android devices. The game is set in Animal City, where players must defend the Animal Star, the symbol of wisdom, from the Dark Alliance. Players must build an army of animal units, merge them to increase their effectiveness, and train them to defend against the erosion of darkness. The game has real-time strategy PvP battles, co-op mode, and merge gameplay. Players can plan their unique battle strategy with countless combinations of animal units and merge them to increase their effectiveness in base defense. Zoobi - 3D Tower Defense has five camps with 55+ powerful 3D units and 8+ distinctive heroes with more than 2 special abilities. The game also has events, tournaments, and seasonal events.