| Nintendo Game Boy Color cart. |  Get Chuu Club - Minna no Konchuu Daizukan Model DMG-VRKJ-JPN | 1999 | JALECO Co., Ltd. Japan |
| Sony PlayStation CD | Getter Robo Daikessen! Model SLPS-02232 | 1999 | Bandai Visual Co., Ltd. |
| Sony PlayStation CD |  Gex - Deep Cover Gecko Model SLES-01299 | 1999 | Eidos Interactive |
| Sony PlayStation CD | Gex - Deep Cover Gecko Model SLES-01908 | 1999 | Eidos Interactive |
| Nintendo Game Boy Color cart. | Gex 3 - Deep Cover Gecko Model CGB-AXGP-EUR | 1999 | Eidos Interactive |
| Sony PlayStation CD | Gex 3 - Deep Cover Gecko Model SLUS-00806 | 1999 | Eidos Interactive |
| Nintendo Game Boy Color cart. | Gex 3 - Deep Pocket Gecko Model CGB-AXGE-USA | 1999 | Eidos Interactive |
| Pachislot | GH - Galaxy Hunter | 1999 | Aruze Corp. Japan |
| Nintendo Game Boy Color cart. | Ghosts'n Goblins Model DMG-AG9E-USA P | 1999 | Capcom Ent., Inc. USA 13388 |
| Nintendo Game Boy Color cart. | Ghosts'n Goblins Model DMG-AG9P-EUR | 1999 | Capcom Ent., Inc. USA 13388 |
| Commodore C64 disk | Ghostworks | 1999 | J&F Publishing, Inc. |
| Arcade Video game | Ghoul Panic | 1999 | Eighting / Raizing |
| Sony PlayStation CD |  GI Jockey Taikenban Model SLPM-80409 | 1999 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | GI Jockey Model SLPM-86195 | 1999 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | GI Jockey Model SLPM-86213~4 | 1999 | KOEI Co., Ltd. Japan |
| Medal video game | GI-Leading Sire | 1999 | Konami Co., Ltd. Japan |
| Sega Dreamcast GD | Giant Gram - Zen Nihon Pro Wres 2 in Nihon Budoukan Model HDR-0005 | 1999 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega NAOMI cart. | Giant Gram 2 - All Japan Pro Wrestling In Nippon Budokan | 1999 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Slot Machine | Gib Gummi... | 1999 | Panther |
| Capcom CPS-II cart. | Giga Wing Blue Board | 1999 | Capcom Ent., Inc. USA 13388 |
| Capcom CPS-II cart. | Giga Wing Green Board | 1999 | Capcom Co., Ltd. Japan |
| Capcom CPS-II cart. | Giga Wing Grey Board | 1999 | Capcom Co., Ltd. Japan |
| Sega Dreamcast GD | Giga Wing Model T-1208M | 1999 | Capcom Co., Ltd. Japan |
| Capcom CPS-II cart. | Giga Wing Orange Board | 1999 | Capcom Co., Ltd. Japan |
| Capcom CPS-II cart. | Giga Wing Pink Board | 1999 | Capcom Co., Ltd. Japan |
| Sony PlayStation CD | Gionbana 2 - Kanazawa Bunko-hen Model SLPS-01858 | 1999 | Nichibutsu Nihon Bussan Co., Ltd. Osaka, Japan |
| PC/MS-Windows CD | Giten Megami Tensei - Tokyo Mokushiroku | 1999 | ASCII Corp. Japan |
| Sony PlayStation CD | Glay - Complete Works Model SLPM-86226~7 | 1999 | Oracion, Inc. Japan |
| PC/MS-Windows CD | Gläserne Karten | 1999 | Learning Co., The |
| Pachislot | Glenfuse | 1999 | Taiyo Co., Ltd. Japan |
| Sony PlayStation CD | Glint Glitters Model SLPM-86200 | 1999 | Konami Co., Ltd. Japan |
| Sony PlayStation CD | Global Domination Model SLES-01419 | 1999 | Psygnosis, Ltd. |
| Sony PlayStation CD | Global Domination Model SLES-01422 | 1999 | Psygnosis, Ltd. |
| Sony PlayStation CD | Global Domination Model SLES-01423 | 1999 | Psygnosis, Ltd. |
| Sony PlayStation CD | Global Domination Model SLES-01424 | 1999 | Psygnosis, Ltd. |
| Sony PlayStation CD | Global Domination Model SLES-01425 | 1999 | Psygnosis, Ltd. |
| Sony PlayStation CD | Global Force - Shin Sentou Kokka Taikenban Model PCPX-96146 | 1999 | Sony Computer Ent., Inc. SCEI Japan |
| Sony PlayStation CD | Global Force - Shin Sentou Kokka Model SCPS-10082 | 1999 | Sony Computer Ent., Inc. SCEI Japan |
| Sony PlayStation CD | Glocal Hexcite Model SLPS-02425 | 1999 | Locus |
| PC/MS-Windows CD | Gloria | 1999 | C's Ware |
