From small tweaks to ambitious overhauls, here's a unique way to revisit classics.

The mega popular arcade game Mortal Kombat was ported to Super Nintendo and Sega Genesis ... Genesis version to its full potential with a ROM hack they’re calling Mortal Kombat Arcade Edition.

ROM hacks like those the site hosted can be as minor as replacing the original Mario sprite with his Super Mario Bros. 3 ...

[dougg3] is really showing off his hardware hacking ability. He came up with a replacement ROM SIMM for his Mac IIci and made it play the Mario theme on boot instead of the normal chimes.