Rare Super Mario Bros. Cartridges Discovered in Wisconsin

A massive piece of gaming history turned up in a storage unit in Waukesha, Wisconsin. The discovery includes nearly 100 Nintendo Entertainment System cartridges that collectors are calling a monumental find. Among the items is a version of Super Mario Bros. and Duck Hunt that experts have never seen before.

What makes this find so special is that these cartridges appear to have been manufactured long after the final official printing of these titles. The unique labels, internal hardware, and included manuals indicate that these were produced during a period that was previously thought to be empty for these games.

This discovery is a big deal for preservationists and fans of retro gaming. Experts are currently analyzing the components to figure out exactly how these items were made and why they stayed hidden for so long. Collectors are already keeping a close eye on the situation as more details about these mysterious cartridges emerge.