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Posts (20)
History
valve software
valve_corporation
valvesoftware
valve
An American video game developer.
For the device, see
valve
.
Products developed
Games
Half-Life
Portal
Counter-Strike
Day of Defeat
Team Fortress 2
Team Fortress Classic
Left 4 Dead
DOTA 2
Deadlock
Other products
Steam
The Orange Box
Source Filmmaker
Steam Deck
See also
Garry's Mod
Posts
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