Want to know what happens when Aperture runs out of money and can't afford to build huge underground testchambers anymore? This map series takes place on a parallel earth, where they use abandoned mines digsites and outdoor areas for controlled testing... ...

Somewhere in the bowels of Aperture, lies hundreds of test subjects, waiting for their entire life to be awaken to do some science. The music use din this map was originally created by Russel Shaw. Update June 7, 2012 -Bug fixes....

Somewhere in the bowels of Aperture, lies hundreds of test subjects, waiting for their entire life to be awaken to do some science. Special thanks: Entrophoria (YouTube), the playtesters (Love you guys) and you :) MY BRAIN HURTS! How do I solve this? You c...

WARNING: The comments may contain spoilers. Somewhere in the bowels of Aperture, lies hundreds of test subjects, waiting for their entire life to be awaken to do some science. Update June 7, 2012 -Fixed bugs....

What happens if the universe of Aperture Science is contaminated by the universe of classic cartoons? Strange things, that's what....

Testing focus: Surface Division Fields Difficulty: Easy / easy-medium Expected play time: Not that long Version: 1.2 Please do not start playing here, play Penrose 01 first for a better understanding of the concept. This second map is not that difficult, b...

A new invention, straight from the Science department of Aperture Science! This is the start of a series revolving around a new testing element called the "sendificator". The difficulty is medium/hard; no ninja-skills required. ==> Next part: "A Beam Too F...

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A reconstruction themed map with some hazards. Deep pits, laser fields and of course mashy spiky plates. Includes tractor beams, lasers and speed gel. Medium difficulty....

Cubi is a brainy portal experience designed for players who have played through Portal 2. These 3 chambers are cerebral in nature, providing a challenge that the average Portal player will enjoy while still providing fresh puzzles for the more skilled play...

Astronauts, war heroes, olympians: you're here because we want the best and you are it. So, who is ready to make some science? #01: xevu Test Chamber #01 #02: xevu Test Chamber #02 #03: xevu Test Chamber #03...

The facility is starting to fall apart. It's up to you to keep that from happening, or worse, being completely destroyed. This map may look big, but there's just 3 levels to get through. This may be the last map I theme in industrial style for a while. Unl...

Part of an old map pack I did last year....

A brief example of puzzles involving time travel. ~Difficulty: Easy ~Estimated Time: 5-10 Minutes FAQ ~~~~~~~~ Q: I can't solve the level! A: A video walkthrough is available on this page. ~~~~~~~~ Q: How long did the map take to make? A: Around 10-16 Days...

Difficulty --- not hard ...

Just another test chamber, or is it? Not everything is as it seems. Thanks for subscribing, really glad most of you like it. Update (19/05/2012): Rebuilt the cubemaps, no more shiny props. Sorry about that. Update (17/05/2012): Updated it to remove a bug w...