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Simple undergroundCollection by [ÜT] Dark God ▲
Rogan TestsCollection by Afro Melon™
Pillbox : Johnson's MedicineCollection by Almisuifre
What's in the pockets of Cave's suit ? Although he's sick, he's here observing us testing, commenting us doing, mocking us failing, contratulating us solving. But how ? Here's a tiny testing collection among my early submissions... Different box-shaped
By GarlicWaffleCollection by GarlicWaffle
All the maps by me. I like me, that guy really gets me.
OMEGA Test ChambersCollection by Zep935
The OMEGA Test Chambers consists of 20 tests, each one with its own method to accomplish. I have arranged the tests from easy to more difficult; some test subjects may find certain chambers harder than others (despite the difficulty). For example, some are
Alucaperture ScienceCollection by Lonely AlucardPawpad
Some Portal 2 maps I made with the in-game editor with the idea of messing the engine to an unforgivable extent. They are also unecessarily hard and cruel.
Prudence FacilitiesCollection by Lepo
Welcome to Prudence Facilities! Cat hair highly forbidden here, i'm allergic...Oh i'm a robot i just have circuits...bah, i don't care i hate those fluffly kittens!
Portal 2 | Adventures in Basic MapsCollection by Tynnyri
Welcome to Adventure map collection made by Tynnyri Large singleplayer test chambers made with exploration and finding many ways to beat them in mind. Some maps are more difficult and longer than others, so read description be
GlaDOS tests!Collection by ClasS
Very good tests are created by Glados! (Очень хорошие тесты которые созданы ГЛаДОС!)
FreakyChicken's Portals of Doom and FriendshipCollection by ChickenMobile
ChickenMobile and LpFreaky90 present to you "Portals of Doom and Friendship"! These tests include the concept that both coop bots share a single portal.
REVIVE PORTAL 1Collection by Imnibis
Dans cette serie de salle de tests, vous redecouvrirez les salles de Portal 1!
Portal Co-oP tests.Collection by PareCellzer
??Collection by Kobal
I Inspired Others Because Of My IdeasCollection by wildgoosespeeder
This is a list of workshop items I am a contributing author to but have limited control over. The order will go: 1. My idea (and/or extension) 2. Their version 3. My idea (and/or extension) 4. Their version ... To the end. Play in the order given
Top Chambers Cooperative part 1Collection by Koobeq
This is Cool :D
BEE2 Mod/BEE2 Addons Cooperative Tutorial Collection [WIP]Collection by Tantibus
The Portal 2 Puzzle Editor/Creator: The greatest thing since sliced bread... and portal guns. But the disadvantage: there were limits. Strong ones, at that. Thus, the BEEMod was created. But then, it evolved into BEE2! Radelite and TeamSpen210 made amazing
Portal: The Flash Ver_/ Testing InitiativeCollection by ERich935
Welcome ladies and gentlemen to the Aperture Science Flash Testing Initiative. Gamers, technicians, internet nerds, you're here because you wanted to play an online internet game, and this is it... sort of. So, who is ready to simulate some science? Now yo
Portal 2 CO-OP mapsCollection by Zack
Best coop maps