| Sharp X68000 Series 5.25in. disk |  First Mission II - Final Mission | 1990 | YOH Japan |
| Sharp X68000 Series 5.25in. disk | Flip Flop | 1990 | Maitake |
| Sharp X68000 Series 5.25in. disk | Fly | 1990 | Login Soft. Japan |
| Sharp X68000 Series 5.25in. disk | FSS Fantasy Saga System | 1990 | Brother Kougyou Japan |
| Sharp X68000 Series 5.25in. disk | FZ Senki Axis | 1990 | Wolf Team Japan |
| Sharp X68000 Series 5.25in. disk | Galaga '88 Model DP-3205016 P | 1990 | Dempa Shinbunsha Japan |
| Sharp X68000 Series 5.25in. disk | Game.X | 1990 | Kugenuma Soft |
| Sharp X68000 Series 5.25in. disk | Gemdrop | 1990 | SSL Japan |
| Sharp X68000 Series 5.25in. disk | Gemini Wing P | 1990 | System Sacom Corp. Japan |
| Sharp X68000 Series 5.25in. disk | Ginga Eiyuu Densetsu | 1990 | Bothtec, Inc. Japan |
| Sharp X68000 Series 5.25in. disk | Ginga Eiyuu Densetsu + Set Model HI8935 | 1990 | Bothtec, Inc. Japan |
| Sharp X68000 Series 5.25in. disk | Ginga Eiyuu Densetsu II Model HI-9038 | 1990 | Bothtec, Inc. Japan |
| Sharp X68000 Series 5.25in. disk | Ginga Eiyuu Densetsu Power Up & Scenario Shuu | 1990 | Bothtec, Inc. Japan |
| Sharp X68000 Series 5.25in. disk | Granada | 1990 | Wolf Team Japan |
| Sharp X68000 Series 5.25in. disk | Grandi Florum - Mischief of Iveris | 1990 | Compac Japan |
| Sharp X68000 Series 5.25in. disk | Guerriere Lyeward Model TKPO-80010 | 1990 | Technopolis Soft Japan |
| Sharp X68000 Series 5.25in. disk | Gunship | 1990 | MicroProse Japan K.K. |
| Sharp X68000 Series 5.25in. disk | Gyaos | 1990 | Project Makkusu |
| Sharp X68000 Series 5.25in. disk | Hacchake Ayayo-san Pro-68k | 1990 | Hard Japan |
| Sharp X68000 Series 5.25in. disk | Hanafuda Tengoku | 1990 | Junk System |
| Sharp X68000 Series 5.25in. disk | Hanaikoku Pro Uso-68k | 1990 | Hazama, Kuroo Japan |
| Sharp X68000 Series 5.25in. disk | Hero Hero Disk 4 Indojin no Yabou | 1990 | Opt. 1 Japan |
| Sharp X68000 Series 5.25in. disk | Hi Mega Sister | 1990 | Chan Chan Soft |
| Sharp X68000 Series 5.25in. disk | Higesori Pro Uso-68k | 1990 | Hazama, Kuroo Japan |
| Sharp X68000 Series 5.25in. disk | Horror of Cridewell | 1990 | Annandule Project |
| Sharp X68000 Series 5.25in. disk | Hydlide 3 - Special Version P | 1990 | Brother Kougyou Japan |
| Sharp X68000 Series 5.25in. disk | Hyper Word | 1990 | Sharp Japan |
| Sharp X68000 Series 5.25in. disk | Image Fight Model IX68-02 P | 1990 | Irem Corp. Japan |
| Sharp X68000 Series 5.25in. disk | Imitation wa Aisenai | 1990 | Great Japan |
| Sharp X68000 Series 5.25in. disk | Ishin no Arashi Model SJKN13011 | 1990 | KOEI Co., Ltd. Japan |
| Sharp X68000 Series 5.25in. disk | Jack Nicklaus' Golf Course Data Vol.2 | 1990 | Victor Musical Industries, Inc. Japan |
| Sharp X68000 Series 5.25in. disk | Jangou 2 - Kouchinou Ban Model X-5037~38 | 1990 | Victor Musical Industries, Inc. Japan |
| Sharp X68000 Series 5.25in. disk | Japan 2136 Nihon Gokei | 1990 | Login Soft. Japan |
| Sharp X68000 Series 5.25in. disk | Jastis | 1990 | ASM Japan |
| Sharp X68000 Series 5.25in. disk | Jeena no Taibouken | 1990 | T&H Project |
| Sharp X68000 Series 5.25in. disk | Jissen Billiards Model SS-31 | 1990 | Pack-In-Video Co., Ltd. Japan |
| Sharp X68000 Series 5.25in. disk | Junker Pro-68K | 1990 | Gold Cats Project |
| Sharp X68000 Series 5.25in. disk | Kaerimichi wa Kiken ga Ippai 18 | 1990 | DO Corp. Japan |
| Sharp X68000 Series 5.25in. disk | Kaisen Game Daa! | 1990 | Project Team Interrupt |
| Sharp X68000 Series 5.25in. disk | Kibun wa Pastel Touch!! | 1990 | Great Japan |
