| JTB FamicomBox cart. |  Gomoku Narabe Renju | 1986 | JTB Traveleland Transportation Co., Ltd. |
| Sinclair ZX Spectrum cass. | Gone Missin' | 1986 | Excalibur Paris, France |
| Video Slot Machine | Gone Troppo | 1986 | Ainsworth Nominees P.L. |
| MSX cass. | Gongmo-1-jip | 1986 | Topia Korea |
| MSX cass. | Gongmo-2-jip | 1986 | Topia Korea |
| Amstrad CPC cass. | Gorbaf el Vikingo Model AMS-305 | 1986 | Magic Team Spain |
| Dragon cass. | Gordon Bennet | 1986 | Smithson Computing |
| Thomson MO5 cass. | Graal | 1986 | Free Game Blot |
| JTB FamicomBox cart. | Gradius | 1986 | JTB Traveleland Transportation Co., Ltd. |
| Nintendo NES cart. |  Gradius Model NES-GR-USA P | 1986 | Konami, Inc. USA |
| Nintendo PlayChoice-10 cart. | Gradius Model PCH1-R-GR | 1986 | Konami Industry Co., Ltd. Japan |
| NEC PC-8801mkIISR disk | Gradius Model RA300 | 1986 | Konami Industry Co., Ltd. Japan |
| MSX cart. | Gradius Model RC742 P | 1986 | Konami Industry Co., Ltd. Japan |
| Nintendo Famicom cart. | Gradius Model RC810 P | 1986 | Konami Industry Co., Ltd. Japan |
| Amstrad CPC cass. | Graham Gooch's Test Cricket Model ASL13DAC | 1986 | ASL Audiogenic Soft., Ltd. |
| Amstrad CPC 464 disk | Graham Gooch's Test Cricket Model ASL13DAD | 1986 | ASL Audiogenic Soft., Ltd. |
| Sinclair ZX Spectrum cass. | Graham Gooch's Test Cricket Model SP031 | 1986 | ASL Audiogenic Soft., Ltd. |
| MSX type-in | GRAMM | 1986 | Shift Editions Paris, France |
| Apple II 5.25 disk | Grammar Gremlins | 1986 | Davidson & Associates, Inc. |
| IBM PCjr disk | Grammar Gremlins Model DAVID0007 | 1986 | Davidson & Associates, Inc. |
| Coin-op Misc. game | Grand Baseball | 1986 | Grand Products, Inc. Elk Grove Village, IL, USA |
| Pinball | Grand Lizard Model 523 | 1986 | Williams Electronics Games, Inc. Chicago, IL, USA |
| Exelvision EXL 100 cass. | Grand Prix | 1986 | Editions Parallèles France |
| Thomson MO6/TO8 disk | Grand Prix 500cc | 1986 | Microïds |
| Thomson MO6/TO8 cass. | Grand Prix 500cc | 1986 | Microïds |
| Amstrad CPC cass. | Grand Prix 500cc Model 22179 | 1986 | Proein Soft Line Spain |
| Amstrad CPC cass. | Grand Prix 500cc Model M9 | 1986 | Microïds |
| Amstrad CPC 464 disk | Grand Prix 500cc Model MA 02 D | 1986 | Microïds |
| Thomson MO5 cass. | Grand Siecle | 1986 | Free Game Blot |
| Commodore C64 cass. | Grandmaster Chess | 1986 | ASL Audiogenic Soft., Ltd. |
| Sinclair ZX Spectrum cass. | Grandpa Joe plays the Open | 1986 | Global Games Scotland |
| Tabletop game | Granit S | 1986 | RCS |
| Thomson MO5 cass. | Granulus | 1986 | Shift Editions Paris, France |
| Acorn BBC Micro B disk | Graph Builder | 1986 | Sherston Soft. |
| Amstrad CPC cass. | Graph Pack Model AMS-303 | 1986 | Software Center Spain |
| Spectravideo SV-318 cass. | Graphic Chess | 1986 | JTM Soft. |
| Amstrad CPC 464 disk | Graphic City | 1986 | UBI Soft Creteil, France 307211 |
| Sinclair ZX Spectrum type-in | Grass Hopper | 1986 | Shift Editions Paris, France |
| Bally Astrocade cart. | Great American Jigsaw + QB-2B | 1986 | White, Mike |
| Sega Mark III cart. | Great Golf Model G-1313 | 1986 | SEGA Enterprises, Ltd. Tokyo, Japan |
