You may want to sit down for this one.

An opened copy isn’t that tough to buy, costing around $41.

A loose disc will save you even more money, averaging only $31.

Shantae and Miriam emerging from a Nintendo Switch surrounded by gold coins.

However, purchasing a brand-new copy is a different story.

Get ready to dip into your savings if you want to explore Isle Delfino.

The rarest and priciest, however, is a bundle containing a Nintendo Power player’s guide.

Pikachu and Mega Man emerging from a DS surrounding by coins.

Sadly, it wasn’t heavily advertised during launch, making it less than successful commercially.

Still, the game has quite a number of fans to this day.

Although it was re-launched in Japan, it is still pretty rare in the West.

Little Samson, Nintendo World Championship and Mega Man 5 Screw.

If you want a new and complete copy, get ready to pay a hefty sum of$659.

A standard copy is already hard to find, costing around$679on eBay.

New copies of the game have both dropped and risen in value on the resale market since 2010.

Samus, Sonic, Pokemon Colosseum’s Wes, and a black GameCube surrounded by large stacks of gold coins.

Today, an unopened copy goes for around$789.

This version includes new offline content and a few bug fixes.

A new copy sells for about$804.

Mario holding a Shine Sprite in Super Mario Sunshine.

Hypergrind

Despite being developed in Japan, Go!

Hypergrind was only ever launched in North America.

Over the years, the price of a new copy has skyrocketed to roughly$804.

Two teams playing soccer in FIFA 07.

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

The rarest version is a cover variant that launched specifically in Mexico for GameCube.

The GameCube version, on the other hand, is a nightmare to hunt down.

Triple-A Games

An unopened copy goes for about$899.

With that amount, you could buy the PS2 version 59 times.

GameCube