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

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

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

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

you need to complete 13 test chambers but they don't look happy come here to check for new test chambers

|| 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

I have now released a new level called 9 Lives, try it out! Part 1: Once Upon a Time… Part 2: Lasers Are a Girl’s Best Friend Part 3: Don’t Eat the Paint Part 4: A Bridge Too Far Part 5: You Put the Fun in Funnel Part 6: A House Divided Part 7: Revenge of