Confidence Building Achievement for Portal 2

Confidence Building Achievement

Icon for Confidence Building

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course
34.91% of players have unlocked this achievement

10

Guides

We have no guides for this achievement.

Players

MuckPie

Earned on: Oct 14th 2021, 2:33:53 pm

TTVOrange821

Earned on: Jul 8th 2020, 4:34:59 am

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Celtic Force

Earned on: Aug 30th 2013, 9:24:21 am

Five Dead Flies

Earned on: Jan 27th 2013, 2:52:12 pm

Icon for Stephan Fenris

Stephan Fenris

Earned on: Jul 14th 2012, 8:25:22 am

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brywks

Earned on: Jul 2nd 2012, 11:52:34 pm

Icon for oO bio Oo

oO bio Oo

Earned on: May 28th 2012, 11:58:34 am

Icon for Legohead 1977

Legohead 1977

Earned on: May 4th 2012, 9:46:39 pm

EndoViper

Earned on: Jan 16th 2012, 7:40:25 pm

smrnov

Earned on: Dec 27th 2011, 12:50:40 am

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LikeTrade

Earned on: Sep 20th 2011, 9:20:06 pm

Icon for Pigimus Prime

Pigimus Prime

Earned on: Sep 15th 2011, 12:39:17 pm

Icon for Sangriaz

Sangriaz

Earned on: Aug 7th 2011, 8:29:15 am

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d4rk antares

Earned on: Aug 2nd 2011, 9:00:48 pm

R2PeepAtYou

Earned on: Jul 18th 2011, 7:24:28 pm

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Koding

Earned on: Jun 26th 2011, 12:44:59 am

ZANKOU 360

Earned on: Jun 22nd 2011, 11:00:00 pm

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Wrathofzar

Earned on: Jun 21st 2011, 8:30:06 am

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Chronic Killer

Earned on: Jun 13th 2011, 6:05:55 am

WelshJammy

Earned on: May 19th 2011, 9:48:49 am