Just because video games are fun doesn't mean they can't mean serious business.

People are willing to pay a hefty price for nostalgia and one-of-a-kind releases, and thanks to retro gaming website RacketBoy, you now see just how much.

From golden Nintendo cartridges to games that let you play as an 8-bit Moses crossing the Red Sea, we've tabulated the rarest and most expensive games of all time.

Spoiler alert: People love rare Atari games.