valve_software
An American video game developer.
For the device, see valve.
h4. Products developed
h5. Games
* Half-Life (series)
** Portal (series)
* Counter-Strike
* Day of Defeat
* Team Fortress 2
** Team Fortress Classic
* Left 4 Dead
* DOTA 2
* Deadlock (game)
h5. Other products
* Steam (platform)
* The Orange Box
* Source Filmmaker (medium)
* Steam Deck
h4. See also
Aliases: none