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Friendly Fire achievement in The Orange Box

Friendly Fire

Knock down a turret with another turret.

Friendly Fire0
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How to unlock the Friendly Fire achievement

  • a laundrymana laundryman
    14 Oct 2007 23 Jul 2008
    Do this in chamber 16. You will come to a halway with two turrets facing one another. Get by them and the next room should contain two turrets right next to each other. Go in, throw it at the other and it should unlock once the other falls down.

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

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    blownchunksthanks ill try that
    Posted by blownchunks On 21 Oct 09 at 03:18
    FafhrddSmall note, this achievement is in the Portal game.
    Posted by Fafhrdd On 09 Mar 10 at 22:16
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  • Ham Man 89Ham Man 89
    03 Sep 2011 12 Sep 2011 21 Sep 2011
    The first level in Portal where this is possible is Testchamber 16. I've given you a video for each of the methods below.

    Method 1 - Pick up a turret after you have positioned so that when you place the turret through the portal, it will fall on another.

    Method 2 - Pick up a turret and move towards another and let go of it so that it knocks over a second turret.
  • Removed Gamer
    Gamer has been removed
    This is best done on the level thats choc full of turrets. Just place a portal above one turret and and send another turret through another portal.
    Showing only comment.
    FafhrddThis achievement is in the Portal game.
    Posted by Fafhrdd On 09 Mar 10 at 22:17
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