| Ivan Zanotti's MyMadnessWorks | Developer | |
| Ivan-Tigan | Developer | |
| IvanBje | Developer | |
| IvanEender | Developer | |
| IvanKae | Developer | |
| IvanMota | Developer | |
| Ivan_ss | Developer | |
| Ivanovich Games | DeveloperPublisher | |
| Ivanything437 | Developer | |
| IvarForkbeard | Developer | |
| Ive Sorocuk | Developer | |
| Ivenaccip | Developer | |
| Ivent | DeveloperPublisher | |
| Ivent Games | Developer | |
| Iveson Software | Publisher | |
| Ivis | Developer | |
| Ivo Penedo | Developer | |
| Ivo Pfaffen | Developer | |
| Ivolgamus | Developer | |
| IvolgamusEU | Publisher | |
| Ivory Crow Games | Developer | |
| Ivory Lion Games | Developer | |
| Ivory Tower | Developer | |
| Ivy Games | DeveloperPublisher | |
| Ixel Games | Developer | |
| Iyad.Hout | Developer | |
| IyanTehGamer | Developer | |
| Iyashikei | Developer | |
| Izanagi Games | Publisher | |
| IzanagiGames | Publisher | |
| Izel Levi | Developer | |
| Izhard | Developer | |
| Izick | Developer | |
| Izik | Developer | |
| Iziminza | Developer | |
| Izkira | Developer | |
| Izln | Developer | |
| Izloople | Developer | |
| Izzle | Developer | |
| Izzminhal Akmal | Developer | |
| IzzyBennettDev | Developer | |
| IzzyDev | Developer | |
| IzzyOak | Developer | |
| J | Developer | |
| J & J Gameware | Developer | |
| J A Y | Developer | |
| J Brooks | Developer | |
| J Dave Rogers | Developer | |
| J-Force | Developer | |
| J-Soft | Developer | |