It is finished. Quite possibly the most absurdly difficult hack ever created is finished. Just by downloading, you die twice. Level layouts have been changed and enemy placements have been changed also. This hack is geared for experienced players.
Metroid - Zero Mission (U).gba
CRC32: 5C61A844
MD5: EBBCE58109988B6DA61EBB06C7A432D5
SHA-1: 5DE8536AFE1F0078EE6FE1089F890E8C7AA0A6E8
SHA-256: FC94F65380B65B870A30B9B04B39CCA1DC63D6E46A4A373D3904ADC0912EBC37