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Testing is the future - Map PackCollection by soptipp1
'Testing is the future' is a map pack where you explore a decayed Aperture Science and start testing as you go deeper into the facility. The pack includes three maps. Since the map pack has some story, I recommend you to play the maps in order. To in
Stasis Map PackCollection by 💣 ~ Drey
Somewhere in the bowels of Aperture, lies houndreds of test subjects, waiting for their entire life to be awaken to do some science.
Enigma ProtocolCollection by Night Melon
A complete collection of all 7 Enigma Protocol workshop chambers! Please keep in mind that these are only a handful of chambers from a full-length mod!
Fun mapsCollection by cyron43
Maps for fun. That means they provide either no puzzles or just very easy ones.
Original Portal: Still AliveCollection by Fat Ninja Walrus
The first Portal is still alive! This collection contains all twenty courses from the first Portal, remade for Portal 2. I started working on this project the very first day they released the PETI, my goal being to recreat the original courses to the best
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 Compet
Without Portalgun CollectionCollection by Loo-Kin
This mappack was designed to prove to you that maps without portalgun can be interesting and even original. You should push buttons to open portals. And there are some original puzzles. There are easy and not so easy puzzles. So, get ready to think with po
The Life of Turret Cube - All Maps Collection 2013Collection by Turret Cube
This is a collection of my famous and non-famous maps of 2013! When its a new year (2014) i will not post maps on this collection no longer, When its Christmas of 2014 i will make a new collection for my maps that i have made in 2014 (The Life of Turret Cu
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
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 com
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 acro
NYS SeriesCollection by Nyskrte
A series of five difficult levels. If you are looking for instant gratification, leave now. Compliments and criticism are appreciated. Use Quicksave/Quickload with care. Average expected playthrough time: 3 to 6 hours. Average test completion succes
ElementaryCollection by nicklonium
A series of concept test chambers centered around the periodic table of elements. Each room themed, in title, description and design, on a chemical element. Don't forget your goggles and lab coat, and remember, safety first!
10 Reasons for ReassemblyCollection by Yesber
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
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're
The Cake ChroniclesCollection by BART
9 Chapters, where each chapter has a different method of solution. I tried to keep the puzzle style of the singleplayer. Difficulty: easy/medium.
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.
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 r