| Name | Developer | Publisher | Genre(s) | Operating system(s) | Date released |
|---|
| Half-Life | Valve, Gearbox Software | Sierra Entertainment | First-person shooter | Microsoft Windows, Linux, macOS | November 19, 1998 |
| Half-Life 2 | Valve | Valve, Sierra Entertainment | First-person shooter | Microsoft Windows, Linux, macOS | November 16, 2004 |
| Half-Life: Blue Shift | Valve, Gearbox Software | Sierra Studios | First-person shooter | Microsoft Windows, Linux, macOS | June 12, 2001 |
| Half-Life Deathmatch: Source | Valve | Valve | First-person shooter | Microsoft Windows, Linux, macOS | May 1, 2006 |
| Half-Life: Opposing Force | Valve, Gearbox Software | Sierra Studios | First-person shooter | Microsoft Windows, Linux, macOS | November 10, 1999 |
| Half-Life: Source | Valve | Valve | First-person shooter | Microsoft Windows, Linux, macOS | June 1, 2004 |
| Half-Life 2: Deathmatch | Valve | Valve | First-person shooter | Microsoft Windows, Linux, macOS | November 30, 2004 |
| Half-Life 2: Episode One | Valve | Valve | First-person shooter | Microsoft Windows, Linux, macOS | June 1, 2006 |
| Half-Life 2: Episode Two | Valve | Valve | First-person shooter | Microsoft Windows, Linux, macOS | October 10, 2007 |
| Half-Life 2: Lost Coast | Valve | Valve | First-person shooter | Microsoft Windows, Linux, macOS | October 27, 2005 |
| Half-Life: Alyx | Valve | Valve | First-person shooter, VR game | Microsoft Windows, Linux | March 23, 2020 |
| Halo: Combat Evolved | Bungie, Gearbox Software, Westlake Interactive | Microsoft Game Studios, MacSoft | First-person shooter | Microsoft Windows, macOS | September 30, 2003 |
| Halo 2 | Bungie, Microsoft Game Studios, Pi Studios | Microsoft Game Studios | First-person shooter | Microsoft Windows | May 17, 2007 |
| Hard Truck Apocalypse | Targem Games | Buka Entertainment | Vehicular combat | Microsoft Windows | June 19, 2006 |
| Harvester | DigiFX Interactive | Merit Studios, Virgin Interactive, Night Dive Studios | Adventure | DOS, Microsoft Windows, Linux | September 25, 1996 |
| A Hat in Time | Gears for Breakfast | Humble Bundle | Adventure, platforming | Microsoft Windows, macOS | 2017 |
| Hatoful Boyfriend: A School of Hope and White Wings | PigeoNaton, Mediatonic | MIST[PSI]PRESS, Devolver Digital | Visual novel, dating simulation, otome game, nakige | Microsoft Windows, Linux, macOS | August 24, 2014 |
| Hearthstone | Blizzard Entertainment | Blizzard Entertainment | Digital collectible card game | Microsoft Windows, macOS | March 11, 2014 |
| Hearts of Iron | Paradox Development Studios | Strategy First | Grand strategy | Microsoft Windows, macOS | November 24, 2002 |
| Hearts of Iron II | Paradox Development Studios | Paradox Interactive | Grand strategy | Microsoft Windows, macOS | January 4, 2005 |
| Hearts of Iron III | Paradox Development Studios | Paradox Interactive | Grand strategy | Microsoft Windows, macOS | August 7, 2009 |
| Hello Neighbor | Dynamic Pixels | tinyBuild | Stealth, survival horror | Microsoft Windows, macOS | December 8, 2017 |
| Heroes of the Lance | U.S. Gold | Strategic Simulations, Inc. | RPG, fantasy | MS-DOS, Amiga, Amstrad CPC, Atari ST, Commodore 64, FM Towns, ZX Spectrum | November 1, 1988 |
| Heroes of Might and Magic: A Strategic Quest | New World Computing | New World Computing | Turn-based strategy | Microsoft Windows, DOS, Mac OS | August 31, 1995 |
| Heroes of Might and Magic II | New World Computing | The 3DO Company | Turn-based strategy | Microsoft Windows, DOS, Mac OS, RISC OS | October 1, 1996 |
| Heroes of Might and Magic III | New World Computing | The 3DO Company | Turn-based strategy | Microsoft Windows, Linux, Mac OS | February 28, 1999 |
| Heroes of Newerth | S2 Games | S2 Games | MOBA | Microsoft Windows, Linux, macOS | May 12, 2010 |
| Heroes of the Storm | Blizzard Entertainment | Blizzard Entertainment | MOBA | Microsoft Windows, macOS | June 2, 2015 |
| Hitman: Absolution | IO Interactive, Feral Interactive | Eidos Interactive, Feral Interactive | Action-adventure, stealth | Microsoft Windows, macOS | November 19, 2012 |
| Hitman: Blood Money | IO Interactive | Eidos Interactive | Action-adventure, stealth | Microsoft Windows | May 30, 2006 |
| Hitman: Codename 47 | IO Interactive | Eidos Interactive | Action-adventure, stealth | Microsoft Windows | November 19, 2000 |
| Hitman: Contracts | IO Interactive | Eidos Interactive | Action-adventure, stealth | Microsoft Windows | April 20, 2004 |
| Hitman 2: Silent Assassin | IO Interactive | Eidos Interactive | Action-adventure, stealth | Microsoft Windows | October 1, 2002 |
| Hitman | IO Interactive, Feral Interactive | Square Enix | Action-adventure, stealth | Microsoft Windows, macOS | March 11, 2016 |
| Hitman 2 | IO Interactive, Feral Interactive | Warner Bros. Interactive Entertainment | Action-adventure, stealth | Microsoft Windows, macOS | November 9, 2018 |
| Hitman III | IO Interactive, Feral Interactive | [Unknown] | Action-adventure, stealth | Microsoft Windows, macOS | January 2021 |
| Hogs of War | Infogrames Studios | Infogrames Europe | Turn-based tactics, artillery | Microsoft Windows | November 3, 2000 |
| Hollow Knight | Team Cherry | Team Cherry | Action adventure, Metroidvania | Microsoft Windows, macOS, Linux, Nintendo Switch, PlayStation 4, Xbox One | February 24, 2017 |
| Homeworld | Relic Entertainment | Sierra Entertainment | Real-time strategy, real-time tactics, space simulation | Microsoft Windows | September 28, 1999 |
| Homeworld: Cataclysm | Barking Dog Studios | Sierra Entertainment | Real-time strategy | Microsoft Windows | June 30, 2000 |
| Homeworld 2 | Relic Entertainment | Sierra Entertainment | Real-time strategy | Microsoft Windows, macOS | September 16, 2003 |
| Homeworld: Deserts of Kharak | Blackbird Interactive | Gearbox Software | Real-time strategy | Microsoft Windows, macOS | January 20, 2016 |
| Hotline Miami | Dennaton Games | Devolver Digital | Action, top-down shooter | Microsoft Windows, Linux, macOS | October 23, 2012 |
| Hotline Miami 2: Wrong Number | Dennaton Games | Devolver Digital | Action, top-down shooter | Microsoft Windows, Linux, macOS | March 10, 2015 |
| Hugo's House of Horrors | Gray Design Associates | Gray Design Associates | Adventure, survival horror | Microsoft Windows, DOS | 1990 |