PORTAL 2：Portal 2 - Wikipedia

portal 2   playstation portal Portal 2 is a 2011 puzzle platform game developed by Valve for Windows, macOS, Linux, PlayStation 3, and Xbox 360. The digital PC versions are distributed online by Valve's Steam service, while all retail editions are distributed by Electronic Arts

portal office Your Microsoft account connects all your Microsoft apps and services, including Office online, cloud storage, Xbox network, and more. Sign in or create an account to access, manage, and personalize your Microsoft experience

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