Retro Gaming News 197: Super Mario Bros. - FullMoon

This is a very interesting hack. If you have any free time, check it out! 

"Description:

Here is a real nice looking Super Mario Bros. hack which has only 12 stages but they will prove to be challenging.

ROM / ISO Information:

• Super Mario Bros. (World).nes - NOINTRO
• CRC32: 3337EC46
• MD5: 811B027EAF99C2DEF7B933C5208636DE
• SHA-1: EA343F4E445A9050D4B4FBAC2C77D0693B1D0922
• SHA-256: F61548FDF1670CFFEFCC4F0B7BDCDD9EABA0C226E3B74F8666071496988248DE"

Source