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| 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 | |