Here is a full hack for Super Mario Bros. Play as Spudd as he tries to make his way to his destination. All the levels have been changed as well as the graphics. Also, power-ups are no longer existent so be careful what you get hit by!
Super Mario Bros. (World).nes - NOINTRO
CRC32: 3337EC46
MD5: 811B027EAF99C2DEF7B933C5208636DE
SHA-1: EA343F4E445A9050D4B4FBAC2C77D0693B1D0922
SHA-256: F61548FDF1670CFFEFCC4F0B7BDCDD9EABA0C226E3B74F8666071496988248DE