Here is one of the biggest hacks done yet with 151 Stars to collect! With level changes in added difficulty this is a hack you should definitely try!
Super Mario 64 (U) [!].z64 - GOODN64 3.14
CRC32: 3CE60709
MD5: 20B854B239203BAF6C961B850A4A51A2
SHA-1: 9BEF1128717F958171A4AFAC3ED78EE2BB4E86CE