Test Chamber 18
Still reeling from the loss of your best friend, the companion cube? Me too. Let's just get these last two chambers over with and hope the cake at the end makes up for it.
Guide listing help
Unlike normal walkthroughs, in Nice Game Hints you can select just the puzzle you want hints for. Here are listed the puzzles for "Test Chamber 18" in Portal. The guide you choose only contains information about that puzzle, reducing possible spoilers for other puzzles.
Hints written by Kieron West
Kieron West
Hi! I have written video game guides since 2018. Any money I make here will go towards improving my equipment so I can make the things you enjoy even better (and faster!)