Eurocom ported a compressed and scaled down version for the Game Boy. It was hindered by the lack of color, lack of graphical detail due to both processor and small screen size, choppy animations, and a lack of buttons, which made it hard to control. This version was also ported to the Game Gear, which included color graphics, but still suffered from all of the other problems of the Game Boy version. A direct port of the Game Gear version was also brought to the Sega Master System, but only in Brazil. However, it only has 4 levels, and the boss in What The Heck? is missing.