Single player · Valve
24 games
Platform
Genre
Theme
Game mode ·
Language
Year
Portal 2
2011
Portal
2007
Half-Life 2
2004
Half-Life
1998
Left 4 Dead 2
2009
Left 4 Dead
2008
Counter-Strike 2
2023
Half-Life: Alyx
2020
Counter-Strike: Condition Zero
2004
Half-Life 2: Lost Coast
2005
Half-Life: Source
2004
Aperture Desk Job
2022
Dota Underlords
2019
Alien Swarm
2010
Portal: Still Alive
2008
Artifact
2018
Counter-Strike Nexon
2014
The Lab
2016
Half-Life: Uplink
1999
Half-Life
2001
Deadlock
Artifact Foundry
2021
Moondust: Knuckles Tech Demos
2018
Half-Life 3