The Perpetual Testing Initiative

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The High-Flying Darboticus 2013 年 11 月 9 日 @ 下午 4 時 56 分 
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 2012 年 08 月 20 日 @ 上午 1 時 56 分 
try my map:Co-Op Map
man_sorin99 2012 年 08 月 6 日 @ 上午 7 時 22 分 
so no coop no portal please
MrDyl 2012 年 08 月 4 日 @ 上午 10 時 59 分 
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 2012 年 06 月 22 日 @ 下午 5 時 54 分 
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 2012 年 05 月 17 日 @ 上午 11 時 05 分 
GoGo check my BunnyHop Tutoruial Map: http://steamcommunity.com/sharedfiles/filedetails/?id=72420067 really important for everyone
GGamer360 2012 年 05 月 16 日 @ 上午 4 時 02 分 
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 2012 年 05 月 14 日 @ 上午 4 時 45 分 
go to the properties for P2 in the library and the select verify local cache, I also had this problem
DreadHaven 2012 年 05 月 9 日 @ 下午 4 時 28 分 
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 2012 年 05 月 8 日 @ 上午 10 時 09 分 
So, still waiting...