This is the second map in a series that began with 'Sphere of Roundness'. Version 2.0 of that map is also included in this release. They also transition into each other to make a loop.
This is a small single-player sphere map for Portal 2.
This Portal 2 map by audiOtrash has 3 out of 6 planned chambers completed.
This is Klaus234's first Portal 2 map. It's basic and small. It's not hard but, it has a laser and wall projector.
This is a single-player map for Portal 2 with challenging puzzles.
You awake in a pile of broken glass, with a pounding headache and no memory of how you got there. Your only goal is to find your portal gun and escape from the building.