| Amstrad CPC 464 disk |  Gryzor Model 011900 P | 1987 | Ocean Soft., Ltd. 13156 |
| Commodore C64 cass. | Guadalcanal | 1987 | Activision, Inc. Mountain View, CA, USA 47875 |
| Amstrad CPC cass. | Guadalcanal Model 22270 | 1987 | Proein Soft Line Spain |
| Amstrad CPC cass. | Guadalcanal Model UQD 576 | 1987 | Activision, Inc. Mountain View, CA, USA 47875 |
| Amstrad CPC 464 disk | Guadalcanal Model UQD 576 | 1987 | Activision, Inc. Mountain View, CA, USA 47875 |
| Sinclair ZX Spectrum cass. | Guadalcanal Model URK 576 | 1987 | Activision, Inc. Mountain View, CA, USA 47875 |
| Amstrad CPC cass. | Guardian Angel Model 3340 | 1987 | Codemasters Soft. Co., Ltd., The 015026 |
| Nintendo Famicom cart. | Guardic Gaiden Model IF-08 | 1987 | Irem Corp. Japan |
| Thomson MO6 type-in | Guerre des Etoiles | 1987 | Editions du PSI France |
| Thomson TO8 type-in | Guerre des Etoiles P | 1987 | Editions du PSI France |
| Commodore C64 type-in | Guerre sous-marine | 1987 | Editions Mondiales France |
| Arcade Video game |  Guerrilla War | 1987 | SNK Corp. Shin Nihon Kikaku Japan |
| IBM PC 5.25in. disk | Guerrilla War | 1987 | Data East Corp. Japan |
| Arcade Video game | Guevara | 1987 | SNK Corp. Shin Nihon Kikaku Japan |
| NEC PC-8801 Series disk | Guin Saga - Hyoto no Kamen | 1987 | Cross Media Soft Japan |
| Commodore C64 disk | Gun Runner | 1987 | Power House, The UK |
| NEC PC-8801mkIISR disk | Gun'yu Soha | 1987 | Soft Plan Co., Ltd. Japan |
| Commodore C64 cass. | Gun-runner | 1987 | Power House, The UK |
| Sinclair ZX Spectrum cass. | Gunboat | 1987 | Piranha |
| Amstrad CPC cass. | Gunboat | 1987 | System 4 de Espana, S.A. Spain |
| Sinclair ZX Spectrum cass. | GunBoat | 1987 | System 4 de Espana, S.A. Spain |
| Amstrad CPC cass. | Gunboat Model AS254 | 1987 | Alternative Soft., Ltd. |
| Sinclair ZX Spectrum cass. | Gunrunner Model 010359 | 1987 | Hewson Consultants, Ltd. England 012635 |
| Sinclair ZX Spectrum cass. | Gunship | 1987 | MicroProse, Ltd. Bristol, UK 015352 |
| Amstrad CPC 464 disk | Gunship | 1987 | MicroProse, Ltd. Bristol, UK 015352 |
| IBM PC 5.25in. disk | Gunship | 1987 | MicroProse, Ltd. Bristol, UK 015352 |
| Sinclair ZX Spectrum+3 disk | Gunship | 1987 | Erbe Soft. Spain |
| Sinclair ZX Spectrum+3 disk | Gunship | 1987 | MicroProse, Ltd. Bristol, UK 015352 |
| Atari ST disk | Gunship | 1987 | MicroProse, Ltd. Bristol, UK 015352 |
| Sinclair ZX Spectrum cass. | Gunslinger | 1987 | US Gold, Ltd. Birmingham, England 13442 |
| Atari 400/800 disk | Gunslinger Model 1540 | 1987 | Datasoft, Inc. Chatsworth, CA, USA |
| MSX cass. | Gunsmoke | 1987 | GO! Media Holdings, Ltd. 13442 |
| Amstrad CPC cass. | Gunsmoke | 1987 | GO! Media Holdings, Ltd. 13442 |
| Amstrad CPC 464 disk | Gunsmoke | 1987 | GO! Media Holdings, Ltd. 13442 |
| Sharp MZ-2500 type-in | Gyuunyuu Haitatsu | 1987 | Dempa Shinbunsha Japan |
| MSX type-in | Hachizudome | 1987 | Dempa Shinbunsha Japan |
| Sinclair ZX Spectrum cass. | Hacker II - The Doomsday Papers Model URK 140 | 1987 | Activision, Inc. Mountain View, CA, USA 47875 |
| National JR-200 type-in | Hackers no Chousen | 1987 | Dempa Shinbunsha Japan |
| Sinclair ZX Spectrum cass. | Hades Nebula | 1987 | Nexus Productions |
| Commodore C64 cass. | Hades Nebula | 1987 | Nexus Productions |
