Portal Test Chamber 18 (Advanced)

This is the sixth and final advanced chamber of the game. This version is unlocked when the original Test Chamber 18 has been completed.

Test Chamber 18

testchmb_a_14_advanced.bsp

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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.

Mechanics

• Unstationary Scaffold
• High Energy Pellet (catcher only)
• Heavy Duty Super-Colliding Super Button (H.D.S.C.S.B)
• Flinging
• Weighted Storage Cube
• Pedestal Button
• Vital Apparatus Vent
• Door (test chamber)

Hazards

• Getting hit by a High Energy Pellet
• Getting hit with a cube
• Goo
• Turrets

Walkthrough

- in progress -

Video walkthrough

Download demo file

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Related achievements

Cupcake Beat two Portal advanced maps.

Fruitcake Beat four Portal advanced maps.

Vanilla Crazy Cake Beat all six Portal advanced maps.

See Also

• Portal Test Chamber 13 (Advanced)
• Portal Test Chamber 14 (Advanced)
• Portal Test Chamber 15 (Advanced)
• Portal Test Chamber 16 (Advanced)
• Portal Test Chamber 17 (Advanced)
• Portal Test Chamber 18
• Portal Test Chamber 18 (Bonus)