Portal 2
Community maps. For science.
Welcome to Aperture Laboratories, home of the Perpetual Testing Initiative. Easily create, share and play test chambers authored by and for the Portal 2 community. Do your part! Contribute to Science!
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My Stuff (Portal 2)
Collection by Eruptorsam
Portal 2 stuff (mine)
Testing Initiative Omega Centinal
Collection by BaneSheep
Omega Centinal is a collection of maps based around completing multiple tests to get the end of the chamber. There are three different types of tests: Roundabout- The first set of chambers, Roundabout chambers are where the exit in right in front you,...
Portal 2 Stuff
Collection by topbop!
Portal 2 Stuff, Maps etc ...
Official Technical Difficulties Collection
Collection by jccreszMC
The official collection of Technical Difficulties Maps that I make. They are not junk maps that constantly flood the workshop. I've dedicated myself to making quality maps to thin out the crap on the Workshop. I hope you enjoy. I'm always available ;)
Quantified Observation
Collection by camerson1313
A series of maps ranging from hard to very hard, which essentially features maxing out the space of the PTI editor before filling it with a bunch of stuff. Designed mainly for those who find most maps too easy and are looking for a challenge. Ironically, ...
Portal 2 Co-Op with Jon & Justin
Collection by [KAOS] JonathanWolfe038
Portal 2 Co-Op Custom Maps!
The Order of Things
Collection by zefag
Portal 2 Mods
Collection by mynameisdatruth
Old and Shiny
Collection by Gimzie
This is the Old and Shiny series. Not much to explain, except that this series takes place in Old Aperture.
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