| Infinity Co., Ltd. | Developer | |
| Infinity Plus 2 | Developer | |
| Infinity Ward | Developer | |
| Infinity xos | Developer | |
| InfinitySquaredGames | Developer | |
| Infirmarian | Developer | |
| Infoarise | Developer | |
| Infocom | DeveloperPublisher | |
| Infocom JP | Publisher | |
| Infogrames | DeveloperPublisher | |
| Infogrames (Europe) | Publisher | |
| Infogrames (North Amertica) | Publisher | |
| Infogrames (Original & Best Of Infogrames Re-Release) | Publisher | |
| Infogrames (US) | Publisher | |
| Infogrames EU | Publisher | |
| Infogrames Entertainment SA | Developer | |
| Infogrames Europe | Publisher | |
| Infogrames Europe SA | DeveloperPublisher | |
| Infogrames Lyon House | Developer | |
| Infogrames Melbourne House | Developer | |
| Infogrames Multimedia | Publisher | |
| Infogrames NA | Publisher | |
| Infogrames NA/EU | Publisher | |
| Infogrames North America | DeveloperPublisher | |
| Infogrames Sheffield | Developer | |
| Infogrames Sheffield House | Developer | |
| Infogrames UKPAL | Publisher | |
| InfogramesAU | Publisher | |
| InfogramesEU | Publisher | |
| InfogramesEU,NA | Publisher | |
| InfogramesNA | Publisher | |
| InfogramesNA,PAL | Publisher | |
| InfogramesNA/PAL | Publisher | |
| InfogramesPAL | Publisher | |
| InfogramesPAL/NA | Publisher | |
| Infomedia | Developer | |
| Infopress S.A. | Publisher | |
| Inforpress S.A. | Developer | |
| Infosfer | Developer | |
| Infrogrames | Developer | |
| Infuse Studio | Developer | |
| Infusion Games | Developer | |
| Inférence | Developer | |
| Ing. Olivetti S.P.A. | Developer | |
| Ingames | Developer | |
| Ingenium | Publisher | |
| Ingenuity Works | DeveloperPublisher | |
| Ingle Games Ltd | Publisher | |
| Ingrid Peñailillo | Developer | |
| Ingénoire | Developer | |
| Inhuman Games | DeveloperPublisher | |
| Inin Games | Publisher | |
| Inis | Developer | |
| InisSolais | Developer | |
| InitialD | Developer | |
| Initialize | DeveloperPublisher | |
| Initials | Developer | |
| InitialsSF | Developer | |
| Injoy | Publisher | |
| Ink Beetle | Developer | |
| Ink Kit | Developer | |
| Ink Ribbon | Developer | |
| Ink Stains Games | Developer | |
| Ink Stories | DeveloperPublisher | |
| InkAndAmaranth | Developer | |
| Inkbox Software | Developer | |
| InkedSplat | Developer | |
| Inkie Inc | Developer | |
| Inkle | DeveloperPublisher | |
| Inkwalker | Developer | |
| Inland Productions | Developer | |
| Inline Design | Developer | |
| Inlogic | Developer | |
| Inlogic Games | Developer | |
| Inlogic Software | Developer | |
| Inn Gamez Studio | Developer | |
| Inner Circle Creations | Developer | |
| Inner Workings | Developer | |
| Inner Workings, Ltd. | Publisher | |
| InnerCoder | Developer | |
| Innerloop | Developer | |
| Innerloop Studios | Developer | |
| Innerprise Software | DeveloperPublisher | |
| Innersloth | DeveloperPublisher | |
| Inno-Box | Developer | |
| Innocenceイノセンス | Developer | |
| Innocent Grey | DeveloperPublisher | |
| Innocent Sakala | Developer | |
| Innonics | Developer | |
| Innoteg | Developer | |
| InnovationTechnicStudio | Developer | |
| Ino-Co | Developer | |
| Inos | Developer | |
| Inpix | Developer | |
| Inrac Corporation | Developer | |
| Inrio | Developer | |
| Insality | Developer | |
| Insane Code | DeveloperPublisher | |
| Insane Game Studio | Developer | |
| Insania404 | Developer | |