Portal 2

Portal 2

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1,000

15-20h

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Iron Grip

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course

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How to unlock the Iron Grip achievement in Portal 2 - Definitive Guide

"Never lose a cube in Chamber 6 of the Mass and Velocity co-op course" basically means, catch the cube in the second room in your first try. see video...
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21 Apr 2011 11:19

3 Comments
In the second room, if you don't think you can get the cube in time the person operating the button can press it again causing the cube to vaporize before it hits the water. This does not cause the achievement to not pop. In other words the only thing hindering the achievement is if the cube hits the water.
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By Avrexid on 24 Apr 2011 04:11
100% excellent guide, I was able to do it solo with 2 pads because you show exactl when the button should be pressed!!!!!!!!!!!!!!!!!
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By Calex dEUS on 27 Apr 2011 21:46
Fantastic!
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By TheSlimDavyLP on 23 Jan 2013 14:38
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Course 2: Mass and Velocity Chamber 6

There are 2 areas in this chamber. The first area with the first cube does not matter because that cube can't be loss (unless you press the button twice). The second area the cube can fall in the water and this is the area where you have to time it out right.

One person is going to stay by the buttons and the other person is going to take the Aerial Faith Plate to the other side. When that person is on the other side, place 2 portals on the platforms behind the team mate standing by the button. Now the person on the opposite side of the button is going to want to take the Aerial Faith Plate. When he is halfway to the next Aerial Faith Plate (the one that is surrounded by water) the other person wants to hit the button. If times correctly you should have a head on collision with the cube and automatically grabbing it. Now you want to go back to the other side with the cube and place it on the switch. Once you have done the achievement should unlock.

Video removed due to copyright infringement (according to YouTube)
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Your timing is excellent. Worked like a charm. Thanks!
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By AlreadyPicked on 28 Jun 2011 02:15
I like how you explain everything in your videos. Thanks for the help!
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By Th3Freak55 on 03 Aug 2011 02:15
Looking at the video I get:

"Portal 2 - Iron ..." The YouTube account associated with this video has been terminated due to multiple third-party notifications of copyright infringement.
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By Pedle Zelnip on 08 Dec 2013 19:17
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For this trophy, the cube can never be destroyed, however it can touch the ground. This test chamber is divided into two rooms. The first rooms requires you and your parnter to use all four portals to fling one of you to a ledge. On the ledge is a button you press to get a cube. Catch it using , and put it on the button to move to the next room.

The second room is a bit harder, as one of you has to use portals and faith plates to fly across the room. The other person has to press a button at just the right moment to send a cube through the air. The person in the air must catch the cube and put it on the button for the trophy. This might take a few tries to get the timing right, but don't get discouraged.

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Not to lose, meaning that the cube would not be destroyed - that is, you can put (drop) it on the ground. But drop it in acid or carry it through the “nullification” gate...

Actually, in the first room of the chamber there should be no difficulty, but in the second room - practice and watch out when to press the cube eject button.

Video .
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24 Aug 2011 10:50