| Groups (developers) | Abbr. | Country | City | Rating | |
|---|---|---|---|---|---|
| Icon Design | 0.00 ±0.0 | ||||
| Iconographics, Inc. | 0.00 ±0.0 | ||||
| IDSI | 0.00 ±0.0 | ||||
| IGA Soft | 0.00 ±0.0 | ||||
| IJG, Inc. | 0.00 ±0.0 | ||||
| Illogic | 0.00 ±0.0 | ||||
| Illusions II | 0.00 ±0.0 | ||||
| Imagic | 0.00 ±0.0 | ||||
| Imagination Development Systems | 0.00 ±0.0 | ||||
| Imaginative Systems Software | 0.00 ±0.0 | ||||
| Incubus | 0.00 ±0.0 | ||||
| Indus Systems | United States | Chatsworth | 0.00 ±0.0 | ||
| Infernal Bytes | 0.00 ±0.0 | ||||
| Infinity | Poland | Bialystok (Białystok) | 0.00 ±0.0 | ||
| Infocom | 0.00 ±0.0 | ||||
| Inhome Software | 0.00 ±0.0 | ||||
| Innovative | Czech Republic (Czechia) | 0.00 ±0.0 | |||
| Innovision | 0.00 ±0.0 | ||||
| Inquisators | 0.00 ±0.0 | ||||
| iNSANE | Germany, Sweden | , Osnabryuck (Osnabrück), Stockholm | 0.00 ±0.0 |
