Join the Ultimate Tower Defense Adventure! The world's first real-time 4-player multiplayer defense game! Castle Defense Online! Castle Defense Online offers an exciting and strategic experience where 4 players can play together in real-time, defending your base from waves of enemies. Whether you're a fan of tower defense games or multiplayer games, this action-packed RPG is perfect for you! Features: - Strategic Multiplayer Defense: Work as a squad in 2 player games or gather a team of 4 to battle it out in this thrilling co-op defense game. - Easy & Intuitive Controls: Classic 2D side-scrolling action with simple controls that anyone can master. Perfect for those who love arcade and adventure games. - Unique Characters & Powerful Skills: Collect a diverse set of heroes, each with their own special abilities, and create the ultimate tower defense strategy. - Endless Growth: Customize your heroes with over...