The Super Mario 64 cartridge was graded by video game ... set in April for an original NES cartridge of Super Mario Bros, the first side-scrolling platformer featuring the famous plumber, which ...

If you can get your hands on a working Game Genie — a device for hacking "cheats" into games —there's an even easier way to just input a code and access all these levels.

The Nintendo 64 ... cartridge when it didn't work (even though that didn't do anything and could harm it in the long run), munching on some snacks and duking it out in Mario Kart or Super Smash Bros.

The original "Super Mario Bros." is more than just the 32 or so ... hidden away in the annals of each cartridge's aging chips. These are levels Nintendo never intended anyone to see, and the ...