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.

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

 * High Energy Pellets
 * Cube Hazard
 * Goo
 * Turrets