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.

Here is the chickentest collection for your enjoyment. Chickentest 3 is very fun. If you don't like the others, make sure you play that one!

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

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

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