| | Naomi DIMM Firmware Updater (Rev C) (GDS-0023C) | 2001 | Sega | ngdup23c | | 0.00 |
| | Naomi DIMM Firmware Updater (Rev E) (GDS-0023E) | 2001 | Sega | ngdup23e | | 0.00 |
| | Naomi Ferrari F355 Challenge Bios | 1999 | Sega | f355bios | | 2.00 |
| | Naomi GD-ROM Bios | 2001 | Sega | naomigd | | 0.00 |
| | Naomi House of the Dead 2 Bios | 1998 | Sega | hod2bios | | 10.00 |
 | Narazumono Sentoubutai Bloody Wolf (Japan) (clone of: battlera) | 1988 | Data East Corporation | bldwolfj | | 0.00 |
 | Narc (rev 2.00) (clone of: narc) | 1988 | Williams | narc2 | | 0.00 |
| Narc (rev 3.20) (clone of: narc) | 1988 | Williams | narc3 | Platform / Shooter Scrolling | 0.00 |
| Narc (rev 7.00) | 1988 | Williams | narc | Platform / Shooter Scrolling | 3.89 |
| | Nascar (3.01 Spain) (clone of: nascarl) | 2005 | Stern | nascarl_301 | | 0.00 |
| | Nascar (3.01) (clone of: nascar) | 2005 | Stern | nascar_301 | | 0.00 |
| | Nascar (3.40 Spain) (clone of: nascarl) | 2005 | Stern | nascarl_340 | | 0.00 |
| | Nascar (3.40) (clone of: nascar) | 2005 | Stern | nascar_340 | | 0.00 |
| | Nascar (3.50 Spain) (clone of: nascarl) | 2005 | Stern | nascarl_350 | | 0.00 |
| | Nascar (3.50) (clone of: nascar) | 2005 | Stern | nascar_350 | | 0.00 |
| | Nascar (3.52 Spain) (clone of: nascarl) | 2005 | Stern | nascarl_352 | | 0.00 |
| | Nascar (3.52) (clone of: nascar) | 2005 | Stern | nascar_352 | | 0.00 |
| | Nascar (4.00 Spain) (clone of: nascarl) | 2005 | Stern | nascarl_400 | | 0.00 |
| | Nascar (4.00) (clone of: nascar) | 2005 | Stern | nascar_400 | | 0.00 |
| | Nascar (4.50 Spain) | 2005 | Stern | nascarl | | 0.00 |
