At the 1998 NBA All-Star Game, fans received discs with the demo for a PlayStation game called NBA 2-Ball. The game was pretty bad – possibly defective – but it’s extremely rare. So a surviving copy may be extremely valuable.
There is a Holy Grail of Rare Video Games, and it is Stadium Events. The auction on a factory-sealed NTSC version closed just minutes ago, and it was sold for $US41,300, almost double the old record.