Confidence Building Trophy for Portal 2

Confidence Building Trophy

Icon for Confidence Building

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
31.70% of players have unlocked this achievement

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We have no guides for this achievement.

Players

ikemenzi

Earned on: Jul 30th 2016, 4:56:43 pm

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SyIaris

Earned on: Dec 18th 2015, 12:33:55 am

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Myrtille

Earned on: Aug 11th 2013, 4:01:35 am

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iXxAgExOFxToNYxX

Earned on: Jul 14th 2013, 3:10:56 am

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Artorias01

Earned on: May 18th 2013, 10:15:07 am

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hellobion2

Earned on: Feb 16th 2013, 4:52:27 pm

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Banana_Sausage47

Earned on: Feb 14th 2013, 12:44:31 am

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XxAgExOFXxJoHNxX

Earned on: Jan 20th 2013, 8:49:45 am

yewjhin86

Earned on: Sep 17th 2011, 7:45:55 pm

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DarkRaisen

Earned on: Aug 27th 2011, 12:27:23 am

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temp-90429768671

Earned on: Jul 16th 2011, 8:28:20 pm

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SnowVixen

Earned on: Jul 5th 2011, 9:22:14 am

xLukk

Earned on: Jun 13th 2011, 9:51:33 pm

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QuantumMercury

Earned on: May 28th 2011, 9:30:02 pm

Ragowit

Earned on: May 17th 2011, 6:54:11 pm

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MICHI1000

Earned on: May 16th 2011, 9:36:06 pm

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Hakoom

Earned on: May 9th 2011, 8:34:36 pm

OneShotFOGE

Earned on: May 1st 2011, 8:37:21 pm

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broodwars

Earned on: Apr 29th 2011, 3:42:52 am

Cloudedpaul

Earned on: Apr 24th 2011, 10:25:34 pm