Unlimited release currently distributed by Packrat Video Games. Orginally, this was not listed on either Vectrexcarts website or CGC website, however it was a popular game to order. Its possible that Rob Mitchell also sold these in addition to his program, Pythagorean Theorm. Both Mark Shaker and John Donzilla made several different box inlays and however the cartridge only had one version which made use of a reproduction cartridge shell.