| getit | Maker | Status | Projects | Rating | Lang | Years | Additional Comments |
| - | I. Wilson | ? | 1 Game | 30% | - | ? | - |
| - | Ian Davison | ? | 2 Games | 20% | - | 1997? | - |
| - | Ian Paul Andrews | ? | 1 Game | 51% | - | 1998 | - |
| - | Ian West | ? | 3 Games | 64% | - | 1993-1994? | - |
| - | Icom | ? | 4 Games, 1 CD | 74% | - | 1986-1989? | - |
| - | Icon Design | ? | 2 Games | 57% | - | 1987 | - |
 | ID Software URL | Active | 5 Games | 84% | en | 1993-1998 | The worlds leading 3D Action games developer. Have always the best 3D engines. |
| - | ID | ? | 1 Game | - | - | 1992 | - |
| - | Idea | ? | 12 Games | 60% | - | 1988-1993? | - |
| - | Idontknow Sofware | ? | 1 Game | - | - | ? | - |
| - | If | ? | 1 Game | 44% | - | 1991 | - |
| Ikarion URL | Active | 4 Games | 69% | de | 1995-1996 | Software company from Germany. Responsible for hits like 'Zeppelin' or 'Hattrick'. |
| - | Ikos | ? | 1 Game | 70% | - | 1992 | - |
| - | Image Tech (now called Webfoot Technologies) | Dead | 2 Games, 1 Reference | 71% | en | 1988 | Creators of games like Dungeon Quest or Kikugi. |
| - | Image Works | ? | 20 Games | 69% | - | 1987-1991 | - |
| - | Imagexcel | ? | 2 Games | 65% | - | 1988-1990 | - |
| - | Imagine Arts | ? | 1 Game | 73% | - | ? | - |
| - | Imagine (now called Psygnosis) | Dead | 5 Games | 51% | en | 1987-1989 | - |
| - | Imagitec (bought by Gremlin) | Dead | 5 Games, 1 Reference | 74% | - | 1992? | - |
| - | Impact Productions | ? | 1 Game | 75% | - | 1994 | - |
| Impact URL | ? | 1 Game, 9 Demos | 73% | en | 1992-2000 | Demo group. |
| Impressions URL (part of Sierra) | Active | 50 Games, 1 Reference | 56% | en | 1989-1995? | Strategic masterminds. |
| - | Impulze | Dead | 6 Games | 49% | - | 1988-1992 | - |
| - | Incal | ? | 1 Game | 71% | - | 1989 | - |
| - | Incentive Software (now called Superscape Interactive 3D Software) | Dead | 6 Games, 1 Tool, 1 Reference | 76% | - | 1988-1991? | - |
| Incode URL | Active | 2 Games, 1 CD | 40% | de,en | 1999 | The creators of the game 'Seaside', which was released in the year 2000 for Amiga. |
| - | Incognito Software | ? | 5 Games, 1 Tool | 40% | - | 1988-1989? | - |
| - | Independent Arts | ? | 2 Games | 81% | - | 1995 | - |
| - | Indi Software | ? | 2 Games | 50% | - | ? | - |
| - | Industry | ? | 2 Games | 11% | - | 1996 | - |
| - | Infernal Byte Systems | Dead | 8 Games | 79% | - | 1991-1994 | - |
| - | Infinite Dreams | ? | 1 Game | 62% | - | 1995 | - |
| - | Infinite Gain Software | ? | 1 Game | 13% | - | 1996 | - |
| - | Infinity Software | ? | 3 Games, 2 Tools | 48% | - | 1988-1991? | - |
| - | Infinte Dreams | ? | 1 Game | 47% | - | ? | - |
| - | Infocom (bought by Activision) | Dead | 38 Games, 1 Reference | 72% | - | 1981-1997? | - |
| Infogrames URL (featuring Ocean / Bomico / Accolade / Ere Informatique / Gametek / Reflections) | Active | 35 Games, 5 References, 1 CD | 62% | fr,en | 1987-1992? | One of the leading software publishers and developers in France. |
| - | Infomedia | ? | 3 Games | 77% | - | 1988-1989 | - |
| - | Ingo Bocker | ? | 2 Games | 19% | - | 1990 | - |
| - | Inland International Software | ? | 2 Games | 33% | - | 1990? | - |
| - | Innerprise (formerly called Discovery Software) | ? | 4 Games, 1 Reference | 74% | - | 1989-1990? | - |
| - | Inova Games | ? | 1 Game | - | - | 1992 | - |
| Insane Software URL | Active | 2 Games | 68% | en | 1995-1997 | The creators of 'Aerial Racers'. |
| - | Insanity | ? | 2 Games | - | - | 1994-1996 | - |
| - | Inside | ? | 2 Games | 73% | - | 1994 | - |
| - | Insomniac Software | ? | 2 Games | 37% | - | 1993 | - |
| - | Intelek (now called Sports Interactive) | Dead | 5 Games, 1 Reference | 73% | en | 1992-1995 | Creators of the famous and successful soccer management series 'Championship Manager'. |
| - | Intelligent Design | ? | 1 Game | 43% | - | 1989 | - |
| - | Intellisoft | ? | 2 Games, 1 Tool | 81% | - | 1988 | - |
| - | Interactive Binary Asylum | ? | 1 Game | 85% | - | 1995 | - |
| getit | Maker | Status | Projects | Rating | Lang | Years | Additional Comments |