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    valve_corporation
    • Pixiv
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    valve
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    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

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