| HSP | Developer | |
| HTML5 GAMES | Developer | |
| HTML_Earth | Developer | |
| HTMichaeL | Developer | |
| HThomson | Developer | |
| HULINKS Inc. | Publisher | |
| HUP Games | DeveloperPublisher | |
| HVB | DeveloperPublisher | |
| HYPETRAIN DIGITAL | Publisher | |
| HYPRGLOO | Developer | |
| HYSTUDIO | Developer | |
| HYYTELO2000 | Developer | |
| Haath | Developer | |
| Habib Pines | Developer | |
| Habide | Developer | |
| HaccaWorks | Developer | |
| Hachikuma Games | Developer | |
| Haché | Developer | |
| Hack Berry | DeveloperPublisher | |
| HackBird | Developer | |
| HackTrout | Developer | |
| Hackathon Chunguses | Developer | |
| HacksawUnit | Developer | |
| Hadarko110 | Developer | |
| Hadrosaurus Software | Developer | |
| Haemimont Games | DeveloperPublisher | |
| Haggard Games | Developer | |
| Hagge | Developer | |
| HahBikes | Developer | |
| Haharo | Developer | |
| Haiduc | Developer | |
| Haifu06 | Developer | |
| Haiku Studios | Developer | |
| Haikuo Soft | DeveloperPublisher | |
| Hail Burns | Developer | |
| Hailrig | Developer | |
| Hailstorm Games | DeveloperPublisher | |
| Haining Kong | Developer | |
| Hainyxgame_Studios | Developer | |
| Haioner | Developer | |
| HaiqGames | Developer | |
| Hairic Lilred | Developer | |
| HairyViking | Developer | |
| Haitham El Euch | Developer | |
| Haiyoooo | Designer & Artist | Developer | |
| Hajae Ko | Developer | |
| Hak Jak | Developer | |
| Hakita | Developer | |
| Hako | Developer | |
| Hako Seikatsu | DeveloperPublisher | |