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Aperture Employee of the Moment AwardCollection by Aperture Laboratories
The Perpetual Testing Initiative (PeTI) is live! Even though most of you will be getting your first sweet taste of test chamber construction today, a lucky few of you have already been beta testing for the last couple of months. An unfair head start? You b
My Single Player FavoritesCollection by wildgoosespeeder
Original Location of My Favorites These maps are so good,
Mevious mapsCollection by josepezdj
Awesome puzzles collection. A must-play map series.
scrawnetCollection by Argyle
MassiveCollection by DarKSkulL PT
Hard MapsCollection by aommaster
The hardest Portal 2 maps I have played. Puzzles requiring ninja-skills and insane timing don't count as hard puzzles. They are just annoying. Portal is a puzzle game, and timing should not be a critical element of the game. Also, if I die in puzzles wi
Sora's Fun Pack 1Collection by Sora Hjort
A collection of Maps I found fun, and had to unsubscribe to due to a limitation on how many maps you could have in the queue.
SherL0cK SingleplayerCollection by Sylentic
All Maps played by SherL0cK Live on Twitch. If you are interested in playing them yourself Here is the Complete Collection of Singleplayer maps.
Portal 3Collection by Jarsmin
它们合起来能成为一个传送门3！ 这个合集就是是一个持续更新的传送门3 Hi everybody,in fact they are my favourite tests in workshop XD Singleplayer. Different difficulty,but I think the most important thing is the imagination,is that right? Have fun~