Software Page
Initial release date: 21 December 2011
Stable release: 3 March 2003
Engine: Source
Engine Branch: Source 2009
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Contents
Mr. SystemError/softwarepage is currently available on Steam.
▶ Launch it now*
🛒 Buy it on Steam (via Browser | Steam client*)
*Steam required, click here to download Steam.
▶ Launch it now*
🛒 Buy it on Steam (via Browser | Steam client*)
*Steam required, click here to download Steam.
Supported OS: Windows • macOS • Linux + SteamOS (See system requirements)
Chromebook ready: Unknown / TBD
Steam Deck status: Unknown - More info on ProtonDB
Also available from the following other storefronts or websites:
GOG.com • Epic Games • Google Play • Xbox Store • Microsoft Store • 2012 Mod version (FREE) • Nintendo Store ( Portal Companion Collection) • Zoom Platform • Origin/EA Play (Not available for purchase)
Notice:
Note:If you are experiencing compatibility and stability issues with this game after Counter-Strike was updated to support Half-Life 25th anniversary update, please downgrade the game by selecting the
Buying this game will also grant access to Counter-Strike: Condition Zero and Condition Zero Deleted Scenes.steam_legacy
branch on both Half-Life and Counter-Strike. You can also report bugs and other issues here on GitHub. Click here for more info.This game is included in the following packages:
Steam Deck Compatibility
Valve's testing indicates Software Page is Playable on Steam Deck. This game is functional on Steam Deck, but might require extra effort to interact with or configure.
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