cube portal level broken?

The game's backgrounds

real ending

Moderators: Broken link on Steam Store page and Support page

bro what the why did the t u r r e t s not shoot at us when we saw them?????

"Failed to load sound" Can't start the game

Failed to load steam.dll

help? game not working

Desktop Icon Created by Steam is Blank

Heres my replays from playing the game

Is this game canon?

[SPOILERS] Has anyone else found the Easter egg? :)

Hmmmm

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Why isn't this tethered to my account?