Donkey Kong Jr. Math (3 Screw Cartridge)

Release type: Official Release
Platform: Nintendo Entertainment System Australia
Genre: Edutainment
Description: Early NES games had cartridges that used 5 screws to hold them together instead of the more common 3 screws found in most cartridges. Most 5 screw cartridges were later re-released using 3 screw cartridges, although some are only available as 5 screw cartridges.