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The Orange Box: Portal Hints
Chamber 16 in Least Time
1 of 11: Run-jump over to the door in the starting hallway and wait for it to open.
2 of 11: As soon as it does, run-jump into the room beyond and shove past the first turret. Whether it gets knocked over or not doesn't really matter.
3 of 11: In the turret-guarded hall, quickly toss a blue portal onto the wall behind the turret and a bit to the right of it, then put an orange portal onto the nearest wall and run through it.
4 of 11: As soon as you leave the blue portal, turn left and fire an orange portal onto the wall at the end of the next hall, then run through the blue portal to get there.
5 of 11: While run-jumping, go over and grab the top storage cube, then go knock over the nearest turret by pushing the cube into it.
6 of 11: Quickly turn and run-jump down the hall to the second turret. After knocking it over, turn left and go knock over the two turrets in the next room. (You'll get shot a lot, but should survive.)
7 of 11: Drop the cube onto the nearest bit of concrete flooring, then run over to the doorway to the room with the button-opened door.
8 of 11: Put a blue portal on the concrete wall next to the turret that's closest to the button-opened door, then turn and quickly fire an orange portal onto the floor under the storage cube so it'll fall through the blue portal and knock over that turret.
9 of 11: Run-jump into the room, pick up the nearest turret, and go toss it at the third turret to knock them both over.
10 of 11: Get onto the big red button and quickly fire a blue portal so that it'll form on a wall of the final room. (Aim for the dark spot between two white walls on the right side of the room past the button-opened door.)
11 of 11: Create and jump into an orange portal on the nearest bit of flooring, then run-jump to the elevator to finish the challenge.
