Retro Game Tips for Portal 2 (Xbox 360)
Achievement: Can't Touch This
When:
During game
How:
Dance in front of a turret blocked by a hard light bridge in co-op
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Achievement: High Five
Achievement: Team Building
When:
During game
How:
Complete all test chambers in the Team Building co-op course
Submitted By:
Achievement: Door Prize
Achievement: Portrait of a Lady
Achievement: You Saved Science
Achievement: Iron Grip
When:
During game
How:
Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Submitted By:
Achievement: Gesticul-8
When:
During game
How:
Perform all 8 gestures of your own volition in co-op
Submitted By:
Achievement: Confidence Building
When:
During game
How:
Complete all test chambers in the Mass and Velocity co-op course
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Achievement: Bridge Building
When:
During game
How:
Complete all test chambers in the Hard-Light Surfaces co-op course
Submitted By:
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