| IrisOnTheRise | Developer | |
| IrisZ | Developer | |
| IrishJohnGames | Developer | |
| Irith14 | Developer | |
| Irmando | Developer | |
| Iron Blood Games | Developer | |
| Iron Byte | Developer | |
| Iron Byte (Juan Arias, Ramiro Arias, Ricardo Arias, Roberto Eimer, Carlos Galucci, Juan Gaspar, Fernando Vieira) | Developer | |
| Iron Chin | Developer | |
| Iron Claw Interactive | Developer | |
| Iron Galaxy | Developer | |
| Iron Galaxy Studios | DeveloperPublisher | |
| Iron Lore Entertainment | Developer | |
| Iron Rainbow Wargame Simulations | Publisher | |
| IronCladSwag | Developer | |
| IronEqual | Developer | |
| IronOak Games | DeveloperPublisher | |
| IronPowerTGA | Developer | |
| Ironax | Developer | |
| Ironchest Games | Developer | |
| Ironclad Games | Developer | |
| Ironhide Game Studio | DeveloperPublisher | |
| Ironoak Games | Developer | |
| Ironstone Partners | Developer | |
| Ironward | Developer | |
| Ironwind Software | Developer | |
| Irrational Games | Developer | |
| Irregular Corporation | DeveloperPublisher | |
| Irreverent Pixel Feats | Developer | |
| Irtaza | Developer | |
| Irwan Owen | Developer | |
| Irwin | Developer | |
| Irwin Segarane | Developer | |
| Irx99 | Developer | |
| IsaFerrer | Developer | |
| IsaVII | Developer | |
| Isaac | Developer | |
| Isaac 2 | Developer | |
| Isaac Buckley | Developer | |
| Isaac Games | Developer | |
| Isaac Roy | Developer | |
| Isaac Schankler | Developer | |
| Isaac Soong Bo Jun | Developer | |
| Isaac Thompson | Developer | |
| Isaamp | Developer | |
| Isabella Acuna | Developer | |
| Isabella Ava | Developer | |
| Isabella Djurovic | Developer | |
| Isabella Winthrop | Developer | |
| Isabellabs | Developer | |
| Isabelle Brandelero Porto | Developer | |
| Isabelle Oliveira | Developer | |
| IsacDee | Developer | |
| Isac_JSantos | Developer | |
| Isador | Developer | |
| Isaiah Smith | Developer | |
| Isao | DeveloperPublisher | |
| Isaque Sanches | Developer | |
| Isator | Developer | |
| Isbit Games | DeveloperPublisher | |
| Iseeicy | Developer | |
| Isem | Developer | |
| IsepMM | Developer | |
| Ishant | Developer | |
| Ishina Nale | Developer | |
| Ishir | Developer | |
| Ishmaru | Developer | |
| Ishy | Developer | |
| Isi Cano | Developer | |
| Isi171 | Developer | |
| Isip Games | Developer | |
| Islam Dallali | Developer | |
| Island Boy Impact | Developer | |
| Island Creation | DeveloperPublisher | |
| Island Dream | Developer | |
| Island Officials | Developer | |
| Isma Romero | Developer | |
| Ismael LB | Developer | |
| Ismael Rodriguez | Developer | |
| IsoJumper | Developer | |
| IsoRen | Developer | |
| Isobel Shasha | Developer | |
| Isoco | Developer | |
| Isola Insolita | Developer | |
| Isolator219 | Developer | |
| Isopod Labs | Developer | |
| Isopodomancer | Developer | |
| Isoteric Games | Developer | |
| Isotx | DeveloperPublisher | |
| Israax | Developer | |
| Israel del Rio | Developer | |
| Isrelo | Developer | |
| IssamProd | Developer | |
| Issi | Developer | |
| IssouGames | Developer | |
| Istalri | Developer | |
| Istvan Pely Productions | Developer | |
| IstvanYoutube | Developer | |
| Isuru Edirisinghe | Developer | |
| It Matters Games | Developer | |