These are the most difficult maps I've found. They can be hard to figure out, hard to play, or are just plain devious. I have completed every one of these, so none of them are impossible. Don't blame me, blame the creators!

A collection of my maps that are...wait for it --- Rusty Dusty Busted & Broke. These maps do pickup where the previous one left off. The first map is The Oscillation. These are not easy maps - see my profile for more information. If anything is broken, ple

Each map is, more or less, a proof of concept built using Hammer from the Portal 2 Authoring Tools.

My third map pack. Each map is, more or less, a proof of concept built using Hammer from the Portal 2 Authoring Tools.

My first map pack. Slight modifications made for release on the workshop. Each map is, more or less, a proof of concept built using Hammer from the Portal 2 Authoring Tools.

Toutes mes maps Coop sur Portal 2 All my Coop Mode Maps on Portal 2

Enter the Zozone. Use your Zozone-issued Frankencubes to get through your training. Do not use the Unknown-issued Companion cubes. We don't know how they got there. Once your training is complete, it's time for the big game. Quicksave is your friend.

German/Deutsch-------------------------------------------- GLaDOS ist auferstanden. Du bist erwacht. Und Zack! Hast du den Test fertig gemacht. Alles ist verwüstet. Alles ist kaputt. DU schaffst das. DU machst es gut! Auf YouTube: https://youtube.com/playl

Full Inspiration Maps Difficulty : Medium - Hard Enjoy ! And please rate the collection :)

Motanum's Standarlized Tests! All maps made in hammer and now take advantage of the workshop! Now with Cave Johnson's lines! Starts relatively easy and gets more complicated as it goes on! Don't forget to rate and enjoy! And leave comments

This is a collection of maps made by the Reddit community. If you want your map(s) added to the collection, just link to the map(s) you want added in the comment section and to your reddit profile. Please do not make requests of maps that are not made by r

Into the Opera is a work in progress map serie about 3 people getting stuck in the opera lead by the turrets. Started in the PTI editor and continued with enhancements made in Hammer. Current PTI maps are being converted and enhanced to and with Hammer. Th

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.

There are lots of puzzles where you need to use cubes to redirect lasers. How about switching it around for a while and use lasers to redirect cubes instead? A custom gameplay mechanism called the "sendificator" does exactly that. In this series of maps, y

A 3 part series consisting of mostly BTS theme. You start in an abandoned industrial area and continue to work your way up to a more clean style BTS. The series is a continuing ascent through BTS areas including bounce gel, lasers and light bridges. Some u

A collection of Horror maps released on the Portal 2 Workshop, regardless of quality.

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 comments