Companies
- XR Games
- XS Software JSCo
- XSEED Games
- Xsens
- Xsolla
- Yacht Club Games
- YAGER Development
- Yahaha
- YAHOO
- Yellow Brick Games
- Yippee Entertainment
- Yogscast Games
- Yoozoo Games
- Young Horses, Inc.
- YouTube
- YoYo Games
- Ys Net
- Yuke's
- Yuke's Co.
- Z2Live Inc.
- ZA/UM
- Zachtronics Industries
- Zattikka Ltd.
- Zeboyd Games
- Zee-3