The rarest and most expensive NES games ever include special versions of true classics and some of the strangest games you've never heard of.

Mint condition games for classic retro consoles like the Nintendo Entertainment System are both rare and valuable.

Here are 10 of the rarest and most expensive NES games that might also require your arm and your leg if you want to purchase them. All listed prices are courtesy of PriceCharting.

Video games are no different, and mint-condition versions of old games are often sold at auctions for ridiculous prices. These are the rarest and most expensive video games of all time.

World record for most expensive video game auction is now $1.56 million [Updated] Beats the price set by a rare Legend of Zelda copy, which only lasted 48 hours.

The original "Super Mario Bros." is now the most expensive video game ever sold; an unopened test-market copy of the game was purchased for $100,150 by a video game collector in February.

Previously going up for more than $300,000, a sealed NES copy of Super Mario Bros. has sold for $660,000, becoming the most expensive video game ever sold.

Rare Nintendo Switch, Wii, NES, Game Boy and GameCube games will make you richer NINTENDO fans could be sitting on a small fortune without realising it if they have some rare - and expensive ...

The Nintendo World Championship NES cartridge is one of the rarest and most sought after “games” for the Nintendo Entertainment System in existence. I’ve seen it around before but only at ...

A mint copy of one of the most beloved classic video games was sold for a record-breaking price at auction this week. The 1985 title Super Mario Bros. for the Nintendo Entertainment System, was ...

Like countless other copies of the NES mainstay, the cartridge was purchased as a Christmas gift in 1986 -- but unlike the rest, it was forgotten in a desk drawer for 35 years before being ...