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

A collection of 6 Wheatley themed maps. These maps include test chambers, moving test chambers and BTS themes. Some include factory and underground. Bottomless pits and water for you to fall into. But try not too because that's what Wheatley would want. Me

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 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

Set after the events of Portal 2. New Aperture has been left to Decay. The chambers are broken, find your own way out.

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