| Commodore C64 cass. |  International Games No. 8 | 1991 | Edigamma srl Italy |
| Commodore Amiga 500 disk | International Ice Hockey | 1991 | Impulze |
| Amstrad CPC pack. |  International Manager | 1991 | EDOS Electronic Distribution of Software |
| Sinclair ZX Spectrum cass. | International Ninja Rabbits | 1991 | MicroValue |
| Commodore Amiga 500 pack. | Interphase Model 279 | 1991 | EDOS Electronic Distribution of Software |
| Atari ST pack. | Interphase Model 279 | 1991 | EDOS Electronic Distribution of Software |
| IBM PC DOS pack. | Interphase Model 279 | 1991 | EDOS Electronic Distribution of Software |
| Amstrad CPC pack. | Into The Eagle's Nest | 1991 | EDOS Electronic Distribution of Software |
| Sinclair ZX Spectrum cass. | Into the Mystic | 1991 | River Soft. |
| Sharp X68000 Series 5.25in. disk | Intro Pro 68K | 1991 | Sprite Japan |
| NEC PC-9801 Series 5.25in. disk | Intruder - Sakura Yashiki no Tansaku 18 | 1991 | Alicesoft Japan |
| Sinclair ZX Spectrum cass. | Invaders from Planet X | 1991 | Compass Soft. |
| IBM PC 3.5in. disk | Inve$t | 1991 | Starbyte Soft. |
| Commodore C64 cass. | IO - Into Oblivion | 1991 | Zeppelin Games |
| Nintendo Game Boy Cart. | Ippatsu Gyakuten! DX Bakenou Model DMG-BHJ | 1991 | Asmik Co., Ltd. Japan |
| Arcade Video game | IQ Pipe | 1991 | AMT Co., Ltd |
| Pachinko | Irasshai | 1991 | Okumura Japan |
| Pachinko | Irasshai 2 | 1991 | Okumura Japan |
| NEC PC-9801 Series 5.25in. disk | Ireen | 1991 | Adult Inn Japan |
| NEC PC-8801 Series disk | Ireen | 1991 | Adult Inn Japan |
| Nintendo NES cart. |  IronSword - Wizards & Warriors II Model NES-IR-AUS | 1991 | Mattel Electronics Mattel, Inc. |
| Nintendo NES cart. | IronSword - Wizards & Warriors II Model NES-IR-EEC | 1991 | Acclaim Ent., Inc. Glen Cove, NY, USA |
| Nintendo NES cart. | IronSword - Wizards & Warriors II Model NES-IR-ESP | 1991 | Acclaim Ent., Inc. Glen Cove, NY, USA |
| Nintendo NES cart. | IronSword - Wizards & Warriors II Model NES-IR-FRA | 1991 | Acclaim Ent., Inc. Glen Cove, NY, USA |
| Nintendo NES cart. | IronSword - Wizards & Warriors II Model NES-IR-ITA | 1991 | Mattel Electronics Mattel, Inc. |
| Nintendo NES cart. | IronSword - Wizards & Warriors II Model NES-IR-UKV | 1991 | Acclaim Ent., Inc. Glen Cove, NY, USA |
| Amstrad CPC 464 disk | Ishido Hb | 1991 | Fraggle, The |
| Sharp X68000 Series 5.25in. disk | Ishido - The Way of Stones | 1991 | ASCII Corp. Japan |
| MSX 2 disk | Ishido - The Way of Stones | 1991 | ASCII Corp. Japan |
| Atari Lynx cart. | Ishido - The Way of Stones Model PA2065 | 1991 | Atari Corp. CA, USA |
| IBM PC DOS pack. | Islands of Danger Ver. 3.2 Sw | 1991 | Carr Soft., Richard E. |
| IBM PC DOS pack. | Isle Wars Sw | 1991 | Soleau Soft., Inc. |
| Nintendo NES cart. | Isolated Warrior | 1991 | Nintendo Co., Ltd. Japan |
| Nintendo NES cart. | Isolated Warrior Model NES-W6-FRA | 1991 | Nintendo Co., Ltd. Japan |
| Nintendo NES cart. | Isolated Warrior Model NES-W6-USA | 1991 | NTVIC NTV International Corp. |
| Sinclair ZX Spectrum cass. | It's TV Showtime | 1991 | Domark Group, Ltd. |
| Nintendo Famicom cart. | Itadaki Street - Watashi no Mise ni Yottette | 1991 | ASCII Corp. Japan |
| Amstrad CPC pack. | Italian Supercar | 1991 | EDOS Electronic Distribution of Software |
| Sinclair ZX Spectrum cass. | Ivan 'Ironman' Stewart's Super Off Road | 1991 | MCM Soft. Spain |
| Nintendo NES cart. | Ivan 'Ironman' Stewart's Super Off Road Model NES-WU-EEC | 1991 | Nintendo Co., Ltd. Japan |
