Uploaded August 2026 | Updated September 2026, 1 week ago

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The later chambers were really evil. There were two parts where I had to look up where to go/what to do (hint: it was those parts where I died a lot).

~Timestamps~
0:00 - Test Chamber 13: Advanced
The floor is goo and there's only one box.
3:34 - Test Chamber 14: Advanced
Getting to the boxes is harder and the moving platforms are removed.
6:24 - Test Chamber 15: Advanced
Everything has been made more difficult to test your reflexes and cognitive problem solving.
20:21 - Test Chamber 16: Advanced
The turrets are locked in cages.
32:44 - Test Chamber 17: Advanced
The companion cube is now a ball and activating the catchers is more complicated.
47:52 - Test Chamber 18: Advanced
The ceiling is metal and the ball launcher has been removed.