The Perpetual Testing Initiative

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The High Flying Darboticus 2013년 11월 9일 오후 4시 56분 
I am taking the guess that "TeacherGaming" will use these kind of games to "educate" students in the classroom. They've done it with Minecraft already, so what will we do?
InfernoTNT 2012년 8월 20일 오전 1시 56분 
try my map:Co-Op Map
man_sorin99 2012년 8월 6일 오전 7시 22분 
so no coop no portal please
MrDyl 2012년 8월 4일 오전 10시 59분 
http://steamcommunity.com/sharedfiles/filedetails/?id=87272506

a bundle of maps to date. and i did test them and they all are possible to compleate.
grester43hck 2012년 6월 22일 오후 5시 54분 
hello guys i made my first chamber last day and it seems to be very difficult because my friends can´t pass it jajaja. I love the idea of find some new people to trying my chamber and can pass it. Enyoying it guys ¡

http://steamcommunity.com/sharedfiles/filedetails/?id=77906654

Apologies for my bad english. The reason is that i´m spanish haha
GGamer360 2012년 5월 17일 오전 11시 05분 
GoGo check my BunnyHop Tutoruial Map: http://steamcommunity.com/sharedfiles/filedetails/?id=72420067 really important for everyone
GGamer360 2012년 5월 16일 오전 4시 02분 
My newest Portal 2 map: http://steamcommunity.com/sharedfiles/filedetails/?id=72155403 PLEASE check it out, it is really nice and has challenging levels. And please wrtie some feedback as a comment.

Are you PRO enough to master my levels?

Good Luck and Have Fun!
Lord Nibbler 2012년 5월 14일 오전 4시 45분 
go to the properties for P2 in the library and the select verify local cache, I also had this problem
DreadHaven 2012년 5월 9일 오후 4시 28분 
I installed the update, but now Portal 2 doesn't work anymore. It keeps showing an error report regarding a failure to locate the opening menu. How do I fix this?
Omni *EZ SKINS EZ LIFE 2012년 5월 8일 오전 10시 09분 
So, still waiting...