HShooter / First-person shooterReleasedHalf-Life 2: Episode Two ↗2007 first-person shooter video gameWindows / Linux / macOS / PlayStation 3 / Xbox 360
HShooter / First-person shooterReleasedHalf-Life 2: Lost Coast ↗2005 additional level for the 2004 video game Half-Life 2Windows / Linux / macOS
HShooter / First-person shooterReleasedHalf-Life: Alyx ↗2020 VR video game developed by Valve CorporationWindows / Linux
HShooter / First-person shooterReleasedHalf-Life: Source ↗video game remake of Half-Life using the Source engineWindows / Linux / macOS
hUnknownhttp://www.wikidata.org/.well-known/genid/ce75108cf78e12266efccbc4c4434e44 ↗unannounced video game project by Valve SoftwarePLATFORMS TO BE ANNOUNCED
LShooter / Horror / First-person shooter / Survival horrorReleasedLeft 4 Dead ↗2008 cooperative first-person shooter arcade-style video game by Valve CorporationWindows / macOS / Xbox 360
LShooter / Horror / First-person shooter / Survival horrorReleasedLeft 4 Dead 2 ↗2009 cooperative first-person shooter video game by Valve CorporationWindows / Linux / macOS / Xbox 360
PPuzzle / Shooter / First-person shooterReleasedPortal ↗2007 first-person puzzle video gameWindows / Linux / macOS / PlayStation 3 / Xbox 360 / Android
PPuzzle / Shooter / First-person shooterReleasedPortal 2 ↗2011 first-person puzzle-platform video gameWindows / Linux / macOS / PlayStation 3 / Xbox 360