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Portal 2 Walkthrough / Chapter 4 - Part 3: Room 20/22

Check out this Portal 2 walkthrough and beat Chapter 4 - Part 3: Room 20/22 with this online demo.

Transcript

Federal Regulations require me to warn you that this next test chamber is looking pretty good. That's right, the facility is completely operational again. I think these test chambers look even better than they did before. It was easy really, you just have to look at things objectively, see what you don't need anymore, and trim out the fat.

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