| Sony PlayStation CD |  Hyper PlayStation Re-mix 1999 No. 5 Model SLPM-80416 | 1999 | Sony Magazines, Inc. Japan |
| Sony PlayStation CD | Hyper PlayStation Re-mix 1999 No. 6 Model SLPM-80424 | 1999 | Sony Magazines, Inc. Japan |
| Sony PlayStation CD | Hyper PlayStation Re-mix 1999 No. 7 Model SLPM-80439 | 1999 | Sony Magazines, Inc. Japan |
| Sony PlayStation CD | Hyper PlayStation Re-mix 1999 No. 8 Model SLPM-80456 | 1999 | Sony Magazines, Inc. Japan |
| Sony PlayStation CD | Hyper PlayStation Re-mix 1999 No. 9 Model SLPM-80470 | 1999 | Sony Magazines, Inc. Japan |
| Arcade Video game |  HyperBowl | 1999 | Jester Interactive |
| PC/MS-Windows CD | I Wish | 1999 | Janis Computer Soft., Inc. Japan |
| Pachinko | Ice Paradise Model C | 1999 | Maruhon Japan |
| Sony PlayStation CD | Ichigeki - Hagane no Hito Model SLPS-02199 | 1999 | Bandai Co., Ltd. Japan |
| Sony PlayStation CD | Ide Yousuke no Mahjong Kyoshitsu Model SLPS-02272 | 1999 | Athena Co., Ltd. Japan |
| Sega Dreamcast GD | Idol Janshi o Tsukucchaou | 1999 | JALECO Co., Ltd. Japan |
| Sega NAOMI cart. | Idol Janshi Suchie-Pai 3 | 1999 | JALECO Co., Ltd. Japan |
| Sega Saturn CD | Idol Janshi Suchie-Pai Secret Album Model T-5717G | 1999 | JALECO Co., Ltd. Japan |
| Pachislot | Ikkaku Senkin | 1999 | EMA Japan |
| PC/MS-Windows CD | Ikusa Megami | 1999 | Eushully |
| PC/MS-Windows CD | Imjin-rok - Yeongung Jeonjaeng | 1999 | Samsung Korea |
| PC/MS-Windows CD | Imperialism II - Age of Exploration | 1999 | SSI Strategic Simulations, Inc. 16685 |
| Nintendo 64 cart. | In-Fisherman - Bass Hunter 64 | 1999 | Take-Two Soft. |
| Sony PlayStation CD | Inagawa Junji - Kyoufu no Yashiki Model SLPS-02142 | 1999 | Visit Japan |
| Video Slot Machine | Inca Sun | 1999 | Aristocrat Leisure Industries Pty, Ltd. |
| Sega Dreamcast GD | Incoming - Ginrui Saishuu Kessen Model T-15001M | 1999 | Imagineer Co., Ltd. Japan |
| Sega Dreamcast GD |  Incoming Model T-12503N | 1999 | Interplay |
| Sega Dreamcast GD | Incoming Model T-40701D-50 | 1999 | Rage |
| PC/MS-Windows CD | Indiana Jones and the Infernal Machine | 1999 | LucasArts Ent. Co. |
| Slot Machine | Indigo Swing | 1999 | IGT International Game Technologies Reno, NV, USA |
| PC/MS-Windows CD | Infantry Online | 1999 | Sony Online Ent., Inc. |
| PC/MS-Windows CD | Ingoku no Gakuen - Biseito Choukyou 18 | 1999 | Guilty Japan |
| Sony PlayStation CD | Initial D Model SLPS-01793 | 1999 | Kodansha Japan |
| PC/MS-Windows CD | Innai Kansen - Voice Trip | 1999 | ZyX Japan |
| IBM PC/AT DOS 3.5in. disk | Intelligent Strategy Games Vol. 2 | 1999 | Oxford Softworks |
| Sony PlayStation CD | Intellivision Classic Games Model SLUS-00906 | 1999 | Activision, Inc. Los Angeles, CA, USA 47875 |
| Sony PlayStation CD | Interactive CD Sampler Disc - Vol. 10 Model PBPX-95011 | 1999 | Sony Computer Ent. America SCEA CA, USA |
| Sony PlayStation CD | Interactive CD Sampler Disc - Vol. 11 Model SCUS-94463 | 1999 | Sony Computer Ent. America SCEA CA, USA |
| PC/MS-Windows CD | International Cricket Captain 2 | 1999 | Empire Interactive Europe, Ltd. |
| PC/MS-Windows CD | International Soccer 2000 | 1999 | Microsoft |
| Sony PlayStation CD | International Track & Field 2000 Model SLUS-00987 | 1999 | Konami of America CA, USA |
| Sony PlayStation CD | Interplay Sports Baseball 2000 Model SLES-01935 | 1999 | Interplay |
| Sony PlayStation CD | Interplay Sports Baseball 2000 Model SLUS-00850 | 1999 | Interplay |
| PC/MS-Windows CD | Interstate '82 | 1999 | Activision, Inc. Los Angeles, CA, USA 47875 |
| PC/MS-Windows CD | Into the Fire | 1999 | Sierra Ent., Inc. USA |
