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But if the game is still in the box (and better yet, never opened), it can go for a staggeringly high amount of money. The condition of the cart is obviously something a collector takes into account. The rarity of their cartridges can vary based on a number of things. While games on their disc-based systems are (relatively) cheap to come by, the further one goes back, the higher the prices tend to get. Nintendo, being that they are one of the most revered and longest-lasting video game companies around, have had some titles on their consoles that are now considered rare gems. And it almost certainly has nothing to do with the quality of the game itself. There's a certain bit of luck that can come into collecting old games. Unless something comes out in a special edition, the value of a game only goes up once it is already hard to find. The same rules apply when it comes to collecting old video games. Most of the time, you're never sure what's going to skyrocket in value until it's already there. Collecting rare and valuable pop culture items must be a hard hobby to grasp.