Test Chamber 15 (Advanced)
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 | “I can't get over how small you are!” This article is a stub. As such, it is not complete. You can help Portal wiki by expanding it. |
Test Chamber 15 (Advanced)
testchmb_a_10_advanced.bsp 
This is the third advanced chamber of the game. This version is unlocked when the original Test Chamber 15 has been completed. It has the extra challenge of making the flings harder, one more Material Emancipation Grill in the first pellet puzzle, different ricocheting for the second pellet puzzle, faster moving Unstationary Scaffolding, and trickier button presses.
Hazards
- Pellet hazard.
- Goo
Walkthrough
- in progress -
Video walkthrough
Related achievements
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Cupcake Beat two Portal advanced maps. |
 |
Fruitcake Beat four Portal advanced maps. |
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Vanilla Crazy Cake Beat all six Portal advanced maps. |