The most valuable PlayStation 2 games of all time tend to be those that fell into obscurity or didn't release in multiple markets – but there are a few expensive PS2 games based on well ...

"Eli's Ladder" is the rarest educational video game in existence. Players answer simple math questions to move Eli up the ladder and into his spaceship, all so he can fly to the moon. The game ...

It's fair to say everyone knows Call of Duty games cost a lot of money to make, but I don't think most of us could put a ...