Observation Room
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 | “I can't get over how small you are!” This article is a stub. As such, it is not complete. You can help Portal wiki by expanding it. |
The Observation Room is a component in all test chambers in Portal and Portal 2. They do not serve any purpose in the test chamber, but is it an element of test chambers in the Portal game series. They are rooms separated from the testing chambers with glass, which would have been used by scientists, if not for the events of Lab Rat.