Rare Mario Find
Ultra rare Nintendo carts discovered in Wisconsin
Jason Ganos / Waukesha, United States / Nintendo /

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Last Updated
8/12/2026
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The Breakdown 11

  • A remarkable trove of ultra-rare Nintendo game cartridges, including the beloved "Super Mario Brothers" and "Duck Hunt," was unearthed in Waukesha, Wisconsin, sparking excitement among collectors and gaming enthusiasts alike.
  • Discovered by renowned game collector Jason Ganos, this find consists of 97 pristine copies of a previously undocumented late-production run, raising eyebrows and questions over their origin.
  • Notably, these cartridges were produced in 1993, well past Nintendo’s official discontinuation of the bundle in 1991, making them an unprecedented addition to gaming history.
  • The upcoming auction, set to begin on a Friday and run until September 9, has generated buzz for their potential worth, which could reach into the millions.
  • Dubbed the "Holy Grail" of vintage gaming, this discovery has captured the attention of media and collectors, emphasizing its monumental significance in the world of nostalgia-driven entertainment.
  • With a captivating story of preservation and rarity, these newly discovered cartridges highlight the enduring legacy of Nintendo and its beloved characters.

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Jason Ganos / Waukesha, United States / Nintendo /

Further Learning

What makes these cartridges rare?

These cartridges are considered rare because they belong to a previously unknown version of the classic NES games 'Super Mario Bros.' and 'Duck Hunt.' Specifically, they were produced in 1993, after Nintendo had officially discontinued the bundle in 1991. The discovery of nearly 100 copies in pristine condition adds to their uniqueness and potential value, as collectors often seek out items that are not only rare but also in excellent condition.

How did the cartridges end up in storage?

The cartridges were found in a gaming store in Waukesha, Wisconsin. They had been sitting in storage for years, likely forgotten or overlooked by the store owner. This situation is not uncommon in the world of collectibles, where valuable items can remain hidden for extended periods before being rediscovered, often leading to exciting auction opportunities.

What is the history of Super Mario Bros. games?

Released in 1985, 'Super Mario Bros.' is one of the most iconic video games in history, credited with popularizing platform gaming. It was part of the Nintendo Entertainment System (NES) and introduced players to Mario's adventures in the Mushroom Kingdom. The game led to numerous sequels and spin-offs, establishing Mario as Nintendo's flagship character and a cultural icon. The 'Duck Hunt' game, released alongside it, utilized the NES Zapper light gun, further enhancing the gaming experience.

What are the auction details for these cartridges?

The ultra-rare Nintendo cartridges will be auctioned off starting on a Friday, with the auction running until September 9. This online auction format allows collectors from around the world to participate, potentially driving up the final sale prices due to the rarity and desirability of the items. Auction events for rare collectibles like these often attract significant attention from both the media and collectors.

Who discovered the rare Nintendo cartridges?

The discovery of the rare Nintendo cartridges was made by Jason Ganos, a well-known Nintendo game collector and contributor to Nintendo Wire. He learned about the cartridges from a pop culture store owner in Wisconsin, who had mentioned the box of games that had been stored away for years. Ganos's expertise in the field likely played a crucial role in recognizing the significance of the find.

How do collectors value rare video games?

Collectors value rare video games based on several factors, including rarity, condition, historical significance, and demand among fans. Games that are part of limited production runs or have unique features often fetch higher prices. The condition of the cartridge, box, and manuals also plays a critical role; items in pristine condition are significantly more valuable. Recent auction trends show that rare games can sell for millions, reflecting their cultural importance and nostalgia.

What impact do rare finds have on gaming culture?

Rare finds like these cartridges can significantly impact gaming culture by reigniting interest in retro games and collectibles. They often lead to increased media coverage, which can enhance the perceived value of similar items. Additionally, such discoveries can foster community engagement among collectors and gamers, encouraging discussions about the history and evolution of gaming. They also highlight the importance of preservation and appreciation for gaming heritage.

What other rare video games have been found?

Other notable rare video game discoveries include the 'Nintendo World Championships' cartridge, which is considered one of the most valuable video games ever, and various prototypes and limited-edition releases. For example, a sealed copy of 'Super Mario Bros.' sold for over $2 million in a recent auction. These finds often generate excitement within the gaming community and can lead to increased interest in the history of video games.

How does this find compare to past discoveries?

This find is comparable to past discoveries in terms of its potential value and the excitement it generates among collectors. For instance, the discovery of sealed copies of classic games or rare prototypes often results in significant auction prices. This particular find stands out due to the sheer number of cartridges discovered and their pristine condition, which may lead to unprecedented auction results, similar to other high-profile sales in recent years.

What are the potential market trends for retro games?

The market for retro games has seen a resurgence in recent years, driven by nostalgia and the increasing interest of new collectors. Trends indicate that prices for rare and well-preserved games are likely to continue rising, with auctions often setting new records. Additionally, as more people discover the joy of vintage gaming, the demand for retro titles may grow, influencing both collectors' markets and the production of remastered versions of classic games.

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