Aperture Science is almost bankrupt, so to save on money we are now reusing test chambers. Might as well use these if we are about to throw them away. #BEEMOD...

Part 2. This one has a small challenge this time. The first one was too easy #BEEMOD...

Sometimes these tests may look a little familier.... (Ignore the weird catwalk. The game likes to crash when using them so I gave up halfway through) #BEEMOD...

I don't really have anything to say about this stage. I guess something unique is that portals are not required. (If you encounter a black hole filled with strange colors when entering or exiting the chamber, just walk through it like nothing's there.) #BE...