简体中文 (Simplified Chinese)
繁體中文 (Traditional Chinese)
Help us translate Steam
Community maps. For science.
Welcome to Aperture Laboratories, home of the Perpetual Testing Initiative. Easily create, share and play test chambers authored by and for the Portal 2 community. Do your part! Contribute to Science!
Top Rated All Time
Show items tagged with all of the selected terms:
Some items are not possible to include in the game. You can still find them if you select this box.
Show incompatible items
Showing 31-60 of 4,811 entries
Left 2 Test
Made in Hammer. Custom files added with VIDE. Story: Set between the events of Portal and Portal 2, you are Lazarus Grey, one of the subjects who survived GLaDOS' destruction. You are forced to navigate the abandoned facilites of Aperture and find an ...
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...
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 succe...
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!
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...
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...
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...
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...
10 Reasons for Reassembly
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...
THE LONE FUTURE-STARTER [Collection]
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...
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 Chronicles
9 Chapters, where each chapter has a different method of solution. I tried to keep the puzzle style of the singleplayer. Difficulty: easy/medium.
Chrono Occurrence (WIP)
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 Collection
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!
Azorae's Grand Designs
"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...
Pneumatic Diversity Tests
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 ...
Portal 2 co-op Chambers
A collection of co-op Test Chambers to play with my friends!
DooM (and other Games)
High quality conversions of other games to Portal 2, with their original maps, graphics and sounds. My DooM and Wolfenstein levels, and Timoteeei's excellent Minecraft levels.
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.
12 Angry Tests
The 12 Angry Tests by CaretCaret.
Venture through a decrepit prison to escape, while finding out more about your predicament as you venture through. Levels are of medium diffuculty, although the first map is a more unique one then the Portal levels you are probably used to. Part 1 (...
Set after the awakening of GLaDOS, you are taken through a testing track involving the Matter Inquisition Field - a yellow fizzler that blocks portal shots, and destroys cubes, but doesn't close portals. The puzzles gradually get more difficult as you mak...
A Little Higher
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.
Australiumfish's Rollercoaster Collection
This is a collection of the multiple rollercoasters made by me, Australiumfish! So, if you're looking to see what can be possible in Portal 2 Rollercoasters, just press that lovely green subscribe button! Rollercoasters will be in order from my firs...
Spare Map Pack
That Greek Guy
A small collection of maps is made for a mod that i was so well planned that i decided weren't suitable for the mod. The maps don't have a very cohesive style or dificulty curve but they are still fun to play if you are up for the challenge. They are all ...
Portal: Still Still Alive
Aperture is back up and running and ready for more testing. As GLaDOS supervises her co-operative testing initiative the pre-recorded messages of Cave Johnson accompany you as you make your way through 13 test chambers. The thing is human testing was mean...
Best mods in Workshop
Welcome to the Binary Labs series of test chambers. Binary Labs puzzles utilize space to the fullest while create non-linear, thought-provoking puzzles. You will find walkthrough videos for each puzzle on their respective pages. Difficulty levels vary de...
THE CORE: RELOADED
You are a test subject in the Aperture Science lab who winds up in another "puzzling" situation. You are also in a race against an ever wicked "test dungeon master" trying to make life hard and success a relative term. What's up with GLaDOS anyway ? Ha...
© Valve Corporation. All rights reserved. All trademarks are property of their respective owners in the US and other countries.
Some geospatial data on this website is provided by
Steam Subscriber Agreement