| Yomissmar | Developer | |
| Yonax | Developer | |
| Yonder | Developer | |
| Yone | Developer | |
| Yonezawa PR21 | Publisher | |
| Yongjustyong | Developer | |
| Yongmin Park | Developer | |
| Yonish | Developer | |
| Yonodusk | Developer | |
| Yoosh | Developer | |
| Yoostar Entertainment | Developer | |
| Yoostar Entertainment Group | Publisher | |
| Yoraee | Developer | |
| Yordrar | Developer | |
| YoriKv | Developer | |
| Yorick | Developer | |
| Yoritoshi | Developer | |
| Yorkshire-Pud | Developer | |
| Yorsh | Developer | |
| YoruUta | Developer | |
| Yosemite Entertainment | Developer | |
| Yoshibb | Developer | |
| Yoshidayama Workshop | Developer | |
| Yoshidayama-Workshop Co., Ltd | Developer | |
| Yoshimoto Kogyo | DeveloperPublisher | |
| Yoshua Woo | Developer | |
| Yoss III | Developer | |
| Yosuu | Developer | |
| Yotam.d | Developer | |
| Yotes Games | Developer | |
| Yotsubane | Developer | |
| Yotty | Developer | |
| You Be Strong Games | Developer | |
| You-En-Tai | DeveloperPublisher | |
| You_Go_Now | Developer | |
| Youkai Fox Game Studio | Developer | |
| YoukaiCountry | Developer | |
| YoukaiDrawing | Developer | |
| Youkos | Developer | |
| Young Chung | DeveloperPublisher | |
| Young Fun Games | DeveloperPublisher | |
| Young Fun Studio | Developer | |
| Young Games | Developer | |
| Young Horses | DeveloperPublisher | |
| Young Horses Games | DeveloperPublisher | |
| Young Horses, Inc. | Developer | |
| Young Stars Game | Developer | |
| Young Wave Studio | Developer | |
| Your Sinclair | Publisher | |
| YourBr0ther | Developer | |
| YourDie | Developer | |
| YourPalAtlas | Developer | |
| Youree | Developer | |
| YousefWowhab | Developer | |
| Youssef_yuze | Developer | |
| Yousurname | Developer | |
| Youtouch | Developer | |
| YoyleSpartan | Developer | |
| Yoyo Entertainment | Developer | |
| Yoyoshi64 | Developer | |
| Yozamu | Developer | |
| Yrgo_Game_Creator | Developer | |
| Yrythaela | Developer | |
| Ys Interactive | Developer | |
| Ysbryd Games | Publisher | |
| Ysopprod | Developer | |
| Yu Ro | Developer | |
| YuCG | Developer | |
| YuTopia | Developer | |
| Yuang | Developer | |
| Yubis | Publisher | |
| Yubs | Developer | |
| Yuchen Tan | Developer | |
| YufeiM | Developer | |
| YugeUnits2018 | Developer | |
| Yuke's | DeveloperPublisher | |
| Yuke's Co. Ltd. | Developer | |
| Yuke's Future Media Creations | Developer | |
| Yuke'sJP | Publisher | |
| Yuki | DeveloperPublisher | |
| Yuki Enterprise | DeveloperPublisher | |
| YukiOstudio | Developer | |
| Yukine | Developer | |
| Yukito Products | Developer | |
| Yuko | Developer | |
| Yukon W. | Developer | |
| Yume Creations | Developer | |
| Yumedia | DeveloperPublisher | |
| Yumekobo | DeveloperPublisher | |
| Yumekobo Co., Ltd | Developer | |
| Yumero the Taleteller | Developer | |
| Yummy Yummy Tummy | Developer | |
| Yumpas Studio | Developer | |
| Yun Sung | Publisher | |
| Yunci G | Developer | |
| Yunuo Games | Publisher | |
| Yuri Tuzov | Developer | |
| Yurii Tkachenko | Developer | |
| Yusufusuf | Developer | |
| Yutaka | DeveloperPublisher | |