Dungeon of the Endless is tower defense game. In the game people are on prisoner ship which have accident and crush on unknown planet. The game is based on directing the survivors of a prison spacecraft (crew, prisoners, and civilians alike). Your goal is to escape from planted, but to do that you need to collect energy crystal which are located on the floor with contain many dangerous obstacles. Player can sent survivors explore the randomly generated levels to collect resources to enable power to various rooms and construct turrets to defend off the enemies when they move the crystal from its starting point to the elevator to the next floor.