Rock Portal Scissors achievement in Portal 2

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row

Rock Portal Scissors0
3 guidesOnline/OfflineCooperative

How to unlock the Rock Portal Scissors achievement

  • StyrofoamTuphStyrofoamTuph68,571
    20 Apr 2011 21 Apr 2011
    23 2 1
    This achievement doesn't take long at all. Just repeat the rock paper scissors gesture until you get the achievement. You can get a draw in the middle of your winning streak and still get the achievement. It only took a couple of minutes for me and my friend to get the achievement.

    Guide not helping? View 2 more guides for this achievement.

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    x6StringSkepticJust wanted to add this can be done with a guest account on split screen, as that is how I got it.
    Posted by x6StringSkeptic on 20 May 11 at 06:08
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  • 15 1 0
    You must win 3 games or rock-paper-scissors in a row in co-op. Only one person needs to have the gesture for this and both people can get the achievement. This achievement is purely based on luck of the draw. There is no way to choose what you want. You just have to keep playing until you win 3 in a row. If you lose your streak resets. If you tie your streak stays the same.

    You unlock this gesture in Course 1: Team Buildings.
  • MaDdShaddo113MaDdShaddo11350,550
    24 May 2011 24 May 2011
    9 1 1
    I'm not sure if if this works for everyone, but for me it seemed that when when orange initiated it blue would win, and when blue initiated it orange would win. So if your stuck try having the other person initiate the gesture -hope that helps.
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    TheOnlyMatto4 tries and it popped. definitely the most useful. I want to add that this achievement won't be available until chamber 4.
    Posted by TheOnlyMatto on 01 Sep 20 at 21:02
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