Games developed by Valve Software

95 Metacritic Portal 2 Apr 18, 2011 Shooter Puzzle Available on PC, Xbox One, macOS, Linux, Xbox 360, PlayStation 3 81 Metacritic Counter-Strike: Global Offensive Aug 21, 2012 Shooter Available on PC, Linux, Xbox 360, PlayStation 3 90 Metacritic Portal Oct 09, 2007 Action Puzzle Available on PC, Nintendo Switch, Android, macOS, Linux, Xbox 360, PlayStation 3 89 Metacritic Left 4 Dead 2 Nov 17, 2009 Action Shooter Available on PC, macOS, Linux, Xbox 360 96 Metacritic Half-Life 2 Nov 16, 2004 Action Shooter Available on PC, Android, macOS, Linux, Xbox 360, Xbox 92 Metacritic Team Fortress 2 Oct 10, 2007 Action Shooter Available on PC, macOS, Linux 90 Metacritic Dota 2 Jul 09, 2013 Action Massively Multiplayer Available on PC, macOS, Linux 96 Metacritic Half-Life Nov 19, 1998 Action Shooter Available on PC, macOS, Linux, PlayStation 2, Dreamcast 88 Metacritic Counter-Strike: Source Nov 01, 2004 Shooter Available on PC, macOS, Linux 88 Metacritic Counter-Strike Nov 01, 2000 Action Shooter Available on PC, macOS, Linux, Xbox 89 Metacritic Left 4 Dead Nov 17, 2008 Action Shooter Available on PC, macOS, Xbox 360 65 Metacritic Counter-Strike: Condition Zero Mar 01, 2004 Action Available on PC, macOS, Linux Team Fortress Classic Apr 01, 1999 Action Shooter Available on PC, macOS, Linux 80 Metacritic Day of Defeat: Source Sep 26, 2005 Action Available on PC, macOS, Linux 79 Metacritic Day of Defeat May 01, 2003 Action Available on PC, macOS, Linux Ricochet Nov 01, 2000 Action Indie Available on PC, macOS, Linux Deathmatch Classic Jun 01, 2001 Action Available on PC, macOS, Linux 77 Metacritic Alien Swarm Jul 19, 2010 Action Shooter Available on PC Dota Underlords Feb 25, 2020 Strategy Casual Available on PC, iOS, Android, macOS, Linux The Lab Apr 05, 2016 Available on PC