| Sharp X68000 Series 5.25in. disk |  Kikou Shidan - Panzer Division | 1990 | Artdink Corp. Japan |
| Sharp X68000 Series 5.25in. disk | Klax | 1990 | Project M |
| Sharp X68000 Series 5.25in. disk | Klax Model ZH-1643 | 1990 | Hudson Soft. Hudson Group Japan |
| Sharp X68000 Series 5.25in. disk | Kobe Renai Monogatari | 1990 | ZainSoft. Japan |
| Sharp X68000 Series 5.25in. disk | Kora Kora | 1990 | KK Soft. Device |
| Sharp X68000 Series 5.25in. disk | Kousoku Genshu | 1990 | Darekasan |
| Sharp X68000 Series 5.25in. disk | Kyarukan | 1990 | Toy Pops |
| Sharp X68000 Series 5.25in. disk | Lagoon | 1990 | Zoom Japan |
| Sharp X68000 Series 5.25in. disk | Laplace no Ma | 1990 | HummingBird Japan |
| Sharp X68000 Series 5.25in. disk | Last Piece II | 1990 | POP Soft. |
| Sharp X68000 Series 5.25in. disk | Lipstick. ADV 2 18 | 1990 | Fairytale Japan |
| Sharp X68000 Series 5.25in. disk | Lock On 3 | 1990 | Apple Soft. Japan |
| Sharp X68000 Series 5.25in. disk | Lucy Shot | 1990 | Softec Japan |
| Sharp X68000 Series 5.25in. disk | Lumchan Comike Ni Iku | 1990 | Master Piece |
| Sharp X68000 Series 5.25in. disk | Luster Soursh | 1990 | Mugen Kaisha Rana |
| Sharp X68000 Series 5.25in. disk | Mappy | 1990 | Yopino |
| Sharp X68000 Series 5.25in. disk | Märchen Paradise | 1990 | Great Japan |
| Sharp X68000 Series 5.25in. disk | Mission For Adult | 1990 | Unknown Japan |
| Sharp X68000 Series 5.25in. disk | Misty 68K Vol. 3 - Satsui no Haikei | 1990 | Data West, Inc. Japan |
| Sharp X68000 Series 5.25in. disk | Misty 68K Vol. 4 - Sora he Kikan Mono | 1990 | Data West, Inc. Japan |
| Sharp X68000 Series 5.25in. disk | Misty 68K Vol. 5 - Utsukushiki Akuma | 1990 | Data West, Inc. Japan |
| Sharp X68000 Series 5.25in. disk | Misty 68K Vol. 6 - Nido Me no Organ | 1990 | Data West, Inc. Japan |
| Sharp X68000 Series 5.25in. disk | Mogu | 1990 | Phoenix Japan |
| Sharp X68000 Series 5.25in. disk | Mogura Attacker | 1990 | Project Makkusu |
| Sharp X68000 Series 5.25in. disk | Momotarou II Ohimesama Ga Ippai | 1990 | Todo2 Japan |
| Sharp X68000 Series 5.25in. disk | Mon Mon Shinkei Suijaku 2 | 1990 | Todo2 Japan |
| Sharp X68000 Series 5.25in. disk | Naious | 1990 | EXACT Excellent Appreciation Create Team Japan |
| Sharp X68000 Series 5.25in. disk | Naniwa Do Konjou Series Bangaihen Nouten Chokudake! 2 | 1990 | Iron Gear |
| Sharp X68000 Series 5.25in. disk | Naniwa Do Konjou Series Nouten Chokudake! | 1990 | Iron Gear |
| Sharp X68000 Series 5.25in. disk | Nekketsu Koukou Dodgeball Bu - Soccer-Hen Model CZ-262AS P | 1990 | Sharp Japan |
| Sharp X68000 Series 5.25in. disk | Neural Gear Model X-5039~40 | 1990 | Victor Musical Industries, Inc. Japan |
| Sharp X68000 Series 5.25in. disk | Nicoll | 1990 | System House Oh! Japan |
| Sharp X68000 Series 5.25in. disk | Ninin Battle | 1990 | Takeru Co. Ltd Japan |
| Sharp X68000 Series 5.25in. disk | Nishisansou Tetris | 1990 | NST Japan |
| Sharp X68000 Series 5.25in. disk | Oh! Hajiki! Final | 1990 | Maru |
| Sharp X68000 Series 5.25in. disk | Oh! X 1990.06 - Soukan 8 - Shuunen Kinen PRO-68K | 1990 | Softbank Corp. Japan |
| Sharp X68000 Series 5.25in. disk | Paroran | 1990 | Hayabusa Soft |
| Sharp X68000 Series 5.25in. disk | Pentaris | 1990 | Phoenix Japan |
| Sharp X68000 Series 5.25in. disk | Phoenix Quiz - Slime King o Haritaose | 1990 | Phoenix Japan |
| Sharp X68000 Series 5.25in. disk | Pias | 1990 | Birdy Soft. Japan |
