Here is a hack for Millipede which converts it into a Space themed shooter.
Millipede (USA).nes - NOINTRO
CRC32: CC4F5101
MD5: 65A46B882BB3A6F30A387B2EDF23F661
SHA-1: EF14AD67C6448D8CE9B170AF8BEEEE0D414CBAEA
SHA-256: DCC8291CA56DD96AF06440ACAB7309E40014B87900DAC47FFFBC2106116E648E