MDK has one of the largest playing environments of any action game. The official version offers over 60 arenas of play, spread out over six mobile mining cities. In MDK, the entire human species has been forced into slavery by evil aliens called Stream Riders. As Kurt Hectic, only you can save humankind. Version 2.0 features new enhancements and fixes, particularly new mouse and joystick functionality. There are a handful of new combat commands, graphical updates, and also a few sundry texture changes and geometry tweaks. In DOS mode, you can now select an option other than joypad.