| Version | Serial | Size | CRC32 | Number of Codes | |||
|---|---|---|---|---|---|---|---|
| Maharaja | |||||||
| (Japan) | SUN-MHA-6200 | 256K | 98CCC9AB | 7 | |||
| Mahou no Princess Minky Momo - Remember Dream | |||||||
| (Japan) | SHI-61 | 256K | 2D2F91B8 | 2 | |||
| Major League Baseball | |||||||
| (USA) | NES-BS-USA | 64K | A03A422B | 9 | |||
| (USA) (Rev 1) | NES-BS-USA | 64K | 96E6C1CE | 6 | |||
| Majou Densetsu II - Daimashikyou Galious | |||||||
| (Japan) | KDS-GI | 128K | 4536FE1C | 2 | |||
| Makai Island | |||||||
| (USA) (Proto) | 128K | 55B4052B | 12 | ||||
| Makaimura | |||||||
| (Japan) | CAP-MK | 128K | BF3635CF | 12 | |||
| Maniac Mansion | |||||||
| (USA) | NES-JM-USA | 256K | 0D9F5BD1 | 78 | |||
| Mappy | |||||||
| (Japan) | NAM-NMP-4500 (04) | 24K | 5D1301C5 | 13 | |||
| Mappy Kids | |||||||
| (Japan) | NAM-FMK-5800 | 256K | 35D8C961 | 20 | |||
| Mappy-Land | |||||||
| (Japan) | NAM-ML-3900 | 160K | 2E563C66 | 1 | |||
| (USA) | NES-YD-USA | 160K | 83FC38F8 | 18 | |||
| Marble Madness | |||||||
| (USA) | NES-MV-USA | 128K | 09874777 | 18 | |||
| Mario Adventure 3 | |||||||
| Mario Adventure 3 | 769K | 25 | |||||
| Mario Adventure by DahrkDaiz | |||||||
| (SMB3 PRG1 Hack) | 416K | 10AD9094 | 23 | ||||
| Mario Bros. | |||||||
| (Europe) (PAL-MA-0) | NES-MA (EEC/FRG) | 24K | 2BF0F9C5 | 6 | |||
| (Europe) (PAL-MC-0, Classic Series) | NES-MC-NOE | 40K | A1C0DA00 | 5 | |||
| (World) | HVC-MA, NES-MA-(USA/CAN), NES-MA-EEC | 24K | C4C3949A | 68 | |||
| Mario is Missing! | |||||||
| (USA) | NES-MQ-USA | 256K | 2055971A | 30 | |||