| HeroCraft | DeveloperPublisher | |
| HeroFigo | Developer | |
| HeroFish | Developer | |
| HeroRobb | Developer | |
| Hero_ic | Developer | |
| Herobeat Studios | DeveloperPublisher | |
| Heroic Leap Games | Developer | |
| HeroySake | Developer | |
| Herr Edgy | Developer | |
| Herrero | DeveloperPublisher | |
| Herrero Games | DeveloperPublisher | |
| Herresy | Developer | |
| Herringbone Games | Developer | |
| Herringbone Software | DeveloperPublisher | |
| Herseth | Developer | |
| Herstory Indie Game Development | Developer | |
| Hertz | DeveloperPublisher | |
| Hertz Co., Ltd. | Developer | |
| Hertzole | Developer | |
| Herv Jones | Developer | |
| Herve Trisson | Developer | |
| Hervest | DeveloperPublisher | |
| Hervi | Developer | |
| Heryad Serkewt | Developer | |
| Hesaw | Developer | |
| HessamoddinS | Developer | |
| Hessel Software | Publisher | |
| Hesset Studios | Developer | |
| Hesware | DeveloperPublisher | |
| Hettar | Developer | |
| HeuR | Developer | |
| Heuristic Park | Developer | |
| Heuristic Software | Developer | |
| Hewco | Developer | |
| Hewson Consultants | DeveloperPublisher | |
| Hex Core | Developer | |
| Hex Prelude | Developer | |
| HexCars itch account | Developer | |
| HexRae | Developer | |
| HexVexed | Developer | |
| Hex_Master | Developer | |
| Hexa Drive | Developer | |
| HexaDrive | Developer | |
| HexaTechGames | Developer | |
| Hexablu | Developer | |
| Hexacto | Developer | |
| Hexacto Games | Developer | |
| Hexadecimal | Developer | |
| Hexagon | Developer | |
| Hexagon Blue | Developer | |
| HexagonNico | Developer | |
| Hexagonal | Developer | |
| Hexdragonal | Developer | |
| Hexecutable | Developer | |
| Hexenwerk | Developer | |
| Hexer_ | Developer | |
| Hexerei Games | Developer | |
| Hexeule | Developer | |
| Hexfall | Developer | |
| Hexgames | Publisher | |
| HexigonGames | Developer | |
| Hexterion | DeveloperPublisher | |
| Hey Minty! Studios | Developer | |
| HeyKarakItsAli | Developer | |
| HeyMarmalade | Developer | |
| HeyYeh | Developer | |
| Heyko | Developer | |
| Heywood Jablowmey | Developer | |
| Hezbollah | Publisher | |
| Hi Corp | Developer | |
| Hi Score (Alvaro Mateos Herrera, Angel Macedo, Manuel Guillen Gonzalez, Francisco Gomez, Francisco Rodriguez, David Brioso Santos, Angel Tirado Higuero, Jose Ramon Perez, Manuel Gasco, Rafael Garcia) | Developer | |
| Hi Tech Expressions | DeveloperPublisher | |
| Hi Tech Expressions (NA/EU) | Publisher | |
| Hi Tech Expressions EU | Publisher | |
| Hi Tech Expressions NA | Publisher | |
| Hi Tech Expressions NA/EU | Publisher | |
| Hi-Bit Studios | Developer | |
| Hi-Rez Studios | DeveloperPublisher | |
| Hi-Score Software | Publisher | |
| Hi-Tec Software | Publisher | |
| Hi-Tec Software Ltd. | Publisher | |
| Hi-Tech Entertainment | Publisher | |
| Hi-Tech Expressions | DeveloperPublisher | |
| Hi-Tech ExpressionsNA | Publisher | |
| HiFishInteractive | Developer | |
| HiImBox | Developer | |
| HiNice2MeetU | Developer | |
| HiTopps | Developer | |
| Hibernian Workshop | Developer | |
| HibouEterno | Developer | |
| Hickery | Developer | |
| Hidden Achievement | DeveloperPublisher | |
| Hidden City Games | Developer | |
| Hidden Entertainment | Developer | |
| Hidden Fields | Developer | |
| Hidden Floor | Developer | |
| Hidden Layer Games | Developer | |
| Hidden Masquerade | Developer | |
| Hidden Ocean Games | Developer | |
| Hidden Path Entertainment | DeveloperPublisher | |