| Magic Sword: Heroic Fantasy (World 900623) (clone of: msword) | 1990 | Capcom | mswordr1 | Platform / Fighter Scrolling | 0.00 |
| Magic Sword: Heroic Fantasy (World 900725) | 1990 | Capcom | msword | Platform / Fighter Scrolling | 5.68 |
| Magician Lord (NGH-005) (clone of: maglord) | 1990 | Alpha Denshi Co. | maglordh | Platform / Shooter Scrolling | 0.00 |
| Magician Lord (NGM-005) | 1990 | Alpha Denshi Co. | maglord | Platform / Shooter Scrolling | 8.06 |
| Mahjong Campus Hunting (Japan) | 1990 | Dynax | mcnpshnt | Tabletop / Mahjong *Mature* | 0.00 |
| Mahjong Channel Zoom In (Japan) | 1990 | Jaleco | mjzoomin | Tabletop / Mahjong *Mature* | 0.00 |
| Mahjong Chinmoku no Hentai (Japan 900511) | 1990 | Nichibutsu | chinmoku | Tabletop / Mahjong *Mature* | 9.00 |
| Mahjong CLUB 90's (set 1) (Japan 900919) | 1990 | Nichibutsu | club90s | Tabletop / Mahjong *Mature* | 8.00 |
| Mahjong CLUB 90's (set 2) (Japan 900919) (clone of: club90s) | 1990 | Nichibutsu | club90sa | Tabletop / Mahjong *Mature* | 0.00 |
| Mahjong Daiyogen (Japan) | 1990 | Video System Co. | daiyogen | Tabletop / Mahjong *Mature* | 0.00 |
| Mahjong Electron Base (parts 2 & 3, alt., Japan) (clone of: mjelctrn) | 1990 | Dynax | mjelct3a | Tabletop / Mahjong *Mature* | 0.00 |
| Mahjong Electron Base (parts 2 & 3, Japan) (clone of: mjelctrn) | 1990 | Dynax | mjelct3 | Tabletop / Mahjong *Mature* | 0.00 |
| Mahjong If...? [BET] | 1990 | Dynax | mjifb | Unplayable | 0.00 |
| Mahjong If...? [BET](2921) (clone of: mjifb) | 1990 | Dynax | mjifb2 | | 0.00 |
| Mahjong If...? [BET](2931) (clone of: mjifb) | 1990 | Dynax | mjifb3 | | 0.00 |
| Mahjong Kakumei (Japan) | 1990 | Jaleco | kakumei | Tabletop / Mahjong *Mature* | 0.00 |
| Mahjong Kyo Retsuden (NGM-004)(NGH-004) | 1990 | SNK | mahretsu | Tabletop / Mahjong *Mature* | 0.00 |
| Mahjong Lemon Angel (Japan) | 1990 | Home Data | lemnangl | Tabletop / Mahjong *Mature* | 5.00 |
| Mahjong Love House [BET] (Japan 901024) (clone of: club90s) | 1990 | Nichibutsu | lovehous | Tabletop / Mahjong *Mature* | 0.00 |
| Mahjong Nerae! Top Star (Japan) | 1990 | Nichibutsu | ntopstar | Tabletop / Mahjong *Mature* | 0.00 |