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Showing 37-54 of 5,014 entries
Shift: TrichotomyCollection by: Aicxe
Somewhere in the multiverse, two intertwined Aperture Science labs have invented a way to link universes together. With the 1.21-Gigawatt Aperture Science Multi-Dimensional Multi-Generator, the test subject now has the ability to solve tests that span acr...
ElectrophobiaCollection by: Mevious
Three medium to very difficult co-op testing spheres focusing on fizzlers and how they are the bane of your robot existence. No strict timing or advanced/ninja techniques are required. This was made for the 2011 Thinking With Portals Summer Mapping Compe...
D S.E.R.I.E.S.Collection by: Drakulo
The "D S.E.R.I.E.S." is a collection of beginner to medium difficulty test chambers. "S.E.R.I.E.S" is the acronymm of : Short, Extendable and Rapturous Introduction to Experimental Self-improvement. If you want to relax in simple and fun maps, you'r...
THE LONE FUTURE-STARTER [Collection]Collection by: Seji-Evan
WARNING If you just like solving super duper hard puzzles chances are that you will not like this mappack, i'm warning now for prevent unnecessary posts =D. [MAP 1] Now, a little backstory: You are an employee of Aperture that was integrated in the pr...
DeJa VuCollection by: // Audiotrash
A Portal 2 Single player modification. This is Aperture from Portal 1, completely rebuilt from memory and with a my own spin on design and puzzles. I will be using the workshop for public testing, so feel free to add me for feedback, or just leave co...
No ElementsCollection by: Mevious
This is a collection of chambers by Azorae, Gig, Juggler, and Mevious which use no interactive testing elements. That means no buttons, cubes, funnels, lightbridges, gels, lifts, fizzlers (except the ones as part of the exit rooms), etc. Slanted platforms...
The Cake ChroniclesCollection by: Acid Regulation
9 Chapters, where each chapter has a different method of solution. I tried to keep the puzzle style of the singleplayer. Difficulty: easy/medium.
10 Reasons for ReassemblyCollection by: Jepp
Difficulty: Medium/Hard Theme: Destruction Estimated Playtime: ~3 hours Hello dear testsubjects! 10 cooperative testchambers signing in, I hope you you'll enjoy and as always try to give me any thought about the maps in return, it makes difference...
Mari0Collection by: dusuarez
Mari0 Portal (stabyourself.net/mari0) is a Mario game with Portal physics. I made these maps closest as possible to Mari0's Portal levels considering the Perpetual Testing Initiative limitations. This was the first collection to appear in Workshop, bu...
Chrono Occurrence (WIP)Collection by: Stimich
In this new adventure you take control of a testing robot who will test the new time control button devices. Pause time or slow down time to accomplish things you couldn't before! Special thanks to: Sumeron - Professional SFX tester, voice acting,...
Lil' Gideon's Collective CollectionCollection by: Lil' Gideon
This collective collection collectively collects all of my (Lil' Gideon's) Portal 2 Perpetual Testing Initiative Test Chambers. Portal, bounce, speed, and fly through (CHAMBER AMOUNT HERE) exciting test chambers!
Pneumatic Diversity TestsCollection by: Nobi-Knobi
In Pneumatic Diversity Tests you start in a brand new Testing-Track just finished and partly under construction. While you are the first testsubject that is exploring the new chambers, you have to make your way through the Pneumatic Diversity Tests, a ...
Azorae's Grand DesignsCollection by: Azorae
"Curves and lines of Grand Designs Against the run of the mill Swimming against the stream... We break the surface tension With our wild kinetic dreams" -Rush, Grand Designs, 1985 Welcome to my collection of Portal 2 test chambers. Included is...
Enigma ProtocolCollection by: Metallic Hero
This is the collection of Steam workshop maps previewing the upcoming mod for Portal 2, Enigma Protocol. Please keep in mind, this collection is a work in progress, and not all maps are available at this time.
Quantum EntanglementCollection by: rendermouse
This is the official collection for the Quantum Entanglement series of maps for Portal 2. There are only two available right now, but there will be more maps added as they get constructed.
Portal 2 co-op ChambersCollection by: Whiskey_Fox
A collection of co-op Test Chambers to play with my friends!
INTO THE MULTIVERSE (an incomplete adventure)Collection by: Blappeture Executive NO.1
The enrichment centre has worked hard to build the first ever Multiverse Device. However, you are but a mere test subject and are not privy to its sensitive machinery. So it was only natural that when you walked past security and pressed a few buttons whe...
A Little HigherCollection by: Reepblue
Jump A Little Higher! A Little Higher is a small mappack containing 5 short, and simple puzzles using a new element, The Repulsion Cube. With this new element, players can control the Repulsion Gel at their will to solve puzzles.