简体中文 (Simplified Chinese)
繁體中文 (Traditional Chinese)
Help us translate Steam
Community maps. For science.
Welcome to Aperture Laboratories, home of the Perpetual Testing Initiative. Easily create, share and play test chambers authored by and for the Portal 2 community. Do your part! Contribute to Science!
Aug 6, 2012 @ 3:47pm
Can someone recommend some really hard tests!
I cant seem to find any tests that are really difficult.. Anyone know of any?
Aug 6, 2012 @ 4:07pm
The NYS series is extremely hard. It should be one of the first 30 in the top rated of all time list.
Aug 6, 2012 @ 4:15pm
Thanks i'll give it a try
Aug 6, 2012 @ 5:21pm
Many people stumbled with this one.
Aug 6, 2012 @ 11:18pm
of Mevious is a lot of fun :)
Aug 7, 2012 @ 12:21am
(can you pass
without walkthrough? ;D)
Or Return of the Mari0 -
Aug 7, 2012 @ 1:41am
I made it and I think you CAN'T do it :P
Aug 7, 2012 @ 2:42am
NYS Series has been mentioned already, very good.
More hard maps:
Chander has always hard puzzles -
Magrathea, beautiful and deceivingly simple map -
One of my own that I consider hard:
Aug 7, 2012 @ 8:18am
Well I have 2 really hard tests in my workshop :
Would be cool if someone can give me some feedback about them ^^
Aug 7, 2012 @ 12:32pm
Thanks guys for all your suggestions, looks like i've got my work cut out : )
Aug 7, 2012 @ 5:16pm
This map doesn't take ninja skills, but it's a brain-teaser.
›› ╚℮Ѳ ‹‹
Aug 8, 2012 @ 1:55am
If you finished all above, you can have a look at Beat-It!
2 comments say that it is very hard, but im not so sure, whatever... if you know the solution you can do it in about 70seconds. Feel free to comment as well =)
Aug 8, 2012 @ 9:00am
A heheh. You want hard maps? Let me tell you the majority of those who play this can't pass it ;)
it's a harder version of a map pack I already made by the way. Here's the link:
Aug 21, 2012 @ 7:16pm
This is the new version one of my map i lost, my only save file make crash my game when i load it. It took a lot of time. the new version almost the same but i had new idea, i might start a collection. The name of this test is " Dual Sniping 2.0 ". It s a hard test and it s fun to do.
Aug 22, 2012 @ 3:04pm
I bet you won't beat it in under 1hour (:
Aug 25, 2012 @ 1:49pm
this one is hard:
Per page: 15
Aug 6, 2012 @ 3:47pm
Start a new discussion
Discussions Rules and Guidelines
Report this post
Note: This is ONLY to be used to report spam, advertising, and problematic (harassment, fighting, or rude) posts.
© Valve Corporation. All rights reserved. All trademarks are property of their respective owners in the US and other countries.
Some geospatial data on this website is provided by
Steam Subscriber Agreement