The Dark Knight is an idle RPG wherein the player controls a nameless hero who must save the world from the onslaught of monsters and evil creatures. The game is inspired by medieval legends and is set in a post-apocalyptic world where mankind is but a small portion of the planet.

The main focus of the game is on fighting against the hordes of monsters that have infested the planet and destroying them to save the world from their onslaught. The player can choose to fight against enemies in real-time or turn-based battles and can also explore the planet to find resources and build equipment to help him survive.

The nameless hero can be customized with a variety of weapons and armor and can also have various skills that can help him survive in the world.