Companies
- Intelligent Systems
- Interior Night
- Interplay
- Introversion Software
- inXile Entertainment
- IO Interactive
- Iron Galaxy Studios
- Iron Gate Studio
- Ironmace
- IronOak Games
- Ironwood Studios
- Irrational Games
- Ivory Tower
- Jackbox Games
- Jagex Games Studio
- JoWooD Entertainment
- Jupiter
- Kabam
- Kadokawa Games
- KAIKO
- Kairosoft
- Kalypso
- Kalypso Media
- Keen Games
- Keen Software House