Demo CopyAt least one demonstration copy of the game is known to exist. It was for sale on Italian Ebay in november 2013. Box and packaging were like the original retail version with stickers "demo copy, not for resale" on the packaging. So there probably was no big difference to retail version as it was complete with instructions. Asking price was 49.99 dollars.
OriginsBased on Atari Games 1984 coin-op.