Companies
- Jonathan Blow
- Juice Games
- Jukai Studio
- Jump Over the Age
- Junction Point
- Jupiter
- Just Purkey Games
- Jyamma Games
- K2 Network
- Kadokawa Games
- Kalypso
- Kalypso Media
- KAOLink
- Keen Games
- KeokeN Interactive
- Kepler Interactive
- Keychron
- Keywords
- Keywords Studios
- Kick
- Kickstarter
- Kinetic Games
- King
- Kingston
- Kioxia