Dungeon Defenders is a cooperative tower defense action role-playing game developed by Trendy Entertainment. Players take on the roles of heroes, each with unique abilities, to defend their crystal from waves of enemies. The game combines strategic placement of defenses with real-time combat, allowing players to build towers and fight alongside their defenses. The game features various character classes, including the Squire, Mage, Huntress, and Monk, each offering different playstyles. Players can upgrade their defenses and characters as they progress through levels, which are set in a fantasy world filled with colorful graphics and engaging gameplay.