MDK is an action game that combines humor and intense gameplay, set on a mission to save Earth from alien invaders. Players take on the role of Kurt Hectic, a janitor who must confront massive alien machines called Minecrawlers that threaten humanity. With the help of Dr. Fluke Hawkins and his robotic companion Bones, players navigate through various environments, engaging in combat and solving puzzles to reach the Minecrawler's pilot. The game features a unique blend of 3D graphics and innovative gameplay mechanics, making it an engaging experience for players.

The gameplay in MDK emphasizes strategic thinking and quick reflexes, as players must utilize Kurt's skills and the abilities of Bones to overcome challenges. Each Minecrawler presents a different set of obstacles and enemies, requiring players to adapt their strategies. The game's humor and quirky characters add an entertaining layer to the experience, making MDK a memorable title in the action genre.