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.

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

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 success rate:

Somewhere in the bowels of Aperture, lies houndreds of test subjects, waiting for their entire life to be awaken to do some science.

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.

'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 install

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 recreate the original courses to the best

https://i.imgur.com/AjRuUad.png https://i.imgur.com/1dsDqk9.png This map was made in the https://i.imgur.com/XWAmiUd.png Hammer world editor. Here's how it works. If you want to learn hammer, start here. https://i.imgur.com/2CnFnns.png YES. maybe. who know

Hi everyone! I already uploaded this mappack on MyAperturelabs, but now where Steam has his own Workshop I will bring it to you! My first Portal 2 Map - 3 .bsp files of hard work are waiting to be played by every single of you! In Curious Chamber you'll ha

The Penrose Collection features an ever expanding series of maps with a focus on the Surface Division Field. That fancy invention is a new testing element the lab boys at Aperture Science South developed to conjure mid-air portals that allow two-way access

Expirience a re-imagination of Tag: The Power of Paint in the world of Aperture Science! This Map-Pack is NOT part of the DLC storyline and does NOT include Cave's lines. NEWS! Please vote for this in greenlight! We have come a long way since this was firs

A collection of well-designed, easy-to-medium puzzles. This collection serves as an entry point for players who are new to the workshop or for aspiring map makers who need some inspiration. These levels have been created over time and are made by recogniza

Somewhere in the Multiverse, in another Aperture not too different from ours, an intern working on the Conversion Gel project had a stroke of inspiration: if moon rock is such a great portal conductor, why not open a portal on the Moon and get it ourselves

This collection, known officially as Portal: After Hours Episode 1, is a half-length single player campaign for Portal 2 released on the workshop in the summer of 2018. Tracklist: https://www.youtube.com/playlist?list=PLwd7F1c1y1c8BSvzw2RVV6KZnaNyvLFEe If

The Perpetual Testing Initiative (PeTI) is live! Even though most of you will be getting your first sweet taste of test chamber construction today, a lucky few of you have already been beta testing for the last couple of months. An unfair head start? You b

Set shortly after the events of the Cooperative Testing Initiative, a test subject wakes to GLaDOS' newest testing track. Make your way through 22 brand new test chambers in this map pack.

Hi guys! I gathered my best test chambers in this collection, and i want to share it with you. This collection will be gradually updated by new interesting maps. I would be glad to see your rate and comments. I think there are will be no dissatisfied peopl

|| ABOUT || Designed for Danger (www.designedfordanger.com) is a Portal 2 Campaign that offers eight new levels and 1 to 2 hours of play time. In the campaign, you assume the role of Chell during an early part of Portal 2. This time however, things turn ou