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How to earn the Portal 2 Team Building achievement in co-op mode

Name: How to earn the Portal 2 Team Building achievement in co-op mode
Uploaded: 2011-06-05T01:34:30.000Z
Description: Watch this video walkthrough to learn how to earn the Team Building achievement in Portal 2. If you are playing co-op mode and want to learn how to earn this achievement, pay attention to this Portal 2 guide video and follow along.

By Phil Lonsdale

Watch this video walkthrough to learn how to earn the Team Building achievement in Portal 2. If you are playing co-op mode and want to learn how to earn this achievement, pay attention to this Portal 2 guide video and follow along.

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