above the clouds and below the sea – there's so much to explore that we still make discoveries every time we dust off the cartridge today. Super Mario Bros. 3 does everything an NES game ...

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