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waffles!Collection by Ninjohn
house-для русских домCollection by Dolphin
крутая колегция макетов домов
Made2build's Test MasterpeicesCollection by Thyther
This collection contains ten tests that build off eachother, teaching the vitals similar to the main game, then branches off to difficult puzzles.
La collection Portal 2 des "Workshopers"!Collection by opino72
FR : Ceci est la collection regroupant toute les salles de test de Portal2 et les collections de salles de test de Portal 2 des membres du groupe "Les Workshopers" "(LW[FR_EN_ES])" : http://steamcommunity.com/groups/Les_Workshopers EN : This is the co
P01 Coop Test ChambersCollection by Michael P01
These are the P01 cooperative test chambers. play them all with a friend. Achievements: Still in the game: Make it through test chamber 8 without you, your partner or your cubes dieing. Hidden Friend: Find the hidden companion cube in test chamber 1
Parallel Universe Cooperative TestingCollection by Thunder
Hello and Welcome While making those other apertures pay for test chamber construction, we've decided to start planning Co-op test chambers. What we are expecting to accomplish with these tests is still unknown. But do not worry! All data is going to be
d3adly testingCollection by d3adly_canuck
I will group my creations here. Levels will continue to be added throughout the summer!
Discover the CubesCollection by Le Jaratéka
Discover all types of cubes !
blue-orange (fun maps for two players)Collection by ☆☉☆
maps with gels and fun (I hope) vote for the collection please ! thanks for testing guys and girls !