2. Stadium Events
Value: $41,300
Known Copies: 2
Depending on the condition, this game reaches some big numbers. Two sealed copies have been sold until today. Both were sold on eBay, with one reaching a price more than $35,000 and other being sold for $41,300. Even the box itself without the cartridge is known to be sold for close to $10,000.
1. Nintendo Campus Challenge
Value: $20,100
Known Copies: 1
This game combines both value and rarity so it is a fitting conclusion for our list of 7 rarest most expensive video games in the world. The cartridge contains the games Super Mario Bros. 3, PinBot, and Dr. Mario and was developed for an event similar to famous Nintendo World Championships. This time, the locations of the competition were college campuses. After the competition had ended, all cartridges were supposed to be destroyed, but somehow one survived. It was first sold for $14,000 privately and then resold for $20,100 on eBay.