Portal Test Chamber 18 (Advanced)
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Test Chamber 18
testchmb_a_14_advanced.bsp 
This is the sixth and final advanced chamber of the game. This version is unlocked when the original Test Chamber 18 has been completed.
Contents
Extra challenges
- Removed some portal conductive walls.
- Pellet launcher has been removed.
- Harder flinging when retrieving the Weighted Storage Cube.
- Platforms lower when traversed though a portal.
Hazards
Walkthrough
- in progress -
Video walkthrough
Related achievements
| |
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. |
