You are in charge of defending the tower. Monsters are on the way and you need to keep them back. You must protect the portal to our world from the monsters attack. Monsters TD, tower defense, tower defense game, strategy game, tower placement, tower upgrade, spell, wave defense, monster defense, action game, mobile game, RPG, portal defense, war game, defensive strategy, tactical combat, AI game, tower control, zoom, spells, speed up, slow down