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The Orange Box: Portal Hints
Chamber 16 with Least Steps
1 of 22: You're going to be using the Floor-Portal Routine a *lot* in this chamber, starting with the first little hallway.
2 of 22: Floor-portal yourself over near the closed door, then wait for the computer to stop talking and open it.
3 of 22: Floor-portal into the first room, then use a portal to knock over the turret that's near the doorway.
4 of 22: In order to portal yourself past the metal-clad area ahead, you'll need to be standing in the corner just to the left of the doorway. Floor-portal yourself as close to that corner as you can, then jump over to it.
5 of 22: Look through the doorway and to the right to see a small sliver of concrete wall and floor. Floor-portal yourself over there, then floor-portal as far down the turret-guarded hallway as you can.
6 of 22: You should end up past the turret to where it can't see you. If not, quickly toss a portal of either kind under the turret to knock it over before it can kill you.
7 of 22: Floor-portal your way past the next turret, and then into the room with the two storage cubes and the start of the two-turret hallway.
8 of 22: Floor-portal over to where you can pick up the top storage cube from the two-cube stack, then drop it somewhere on the floor nearby.
9 of 22: Floor-portal over to a spot next to the hallway where you can see part of the ceiling of the nearest turret's room, but it can't shoot you. Put the orange portal on the ceiling above the turret (on the red X if you can see it), then put the blue portal under either storage cube to get it to drop onto the turret and knock it over.
10 of 22: Floor-portal yourself into position for doing the same to the other hallway turret, then floor-portal yourself into the hallway after it's down.
11 of 22: While facing toward the second turret, put the orange portal on the right wall, as far down as it'll go. Put a blue portal underneath yourself, then turn so that you can see into the storage cube room that's in the next area. Floor-portal yourself into that room in a spot that's a bit past its doorway (so the two nearby turrets can't shoot you).
12 of 22: Put an orange portal on the ceiling over the room's doorway, then put a blue portal under one of the room's storage cubes. It should drop down and land in or right next to the doorway. If it tumbles off somewhere else, try putting another blue portal under it (maybe after repositioning the orange portal).
13 of 22: Once you get a cube in the doorway, floor-portal yourself to a spot right behind it and immediately crouch down. If either of the turrets out there can shoot you, you'll have to quickly floor-portal out of range and try again.
14 of 22: Stand up and then re-crouch quickly if you need to see where the turrets are, then use portals to drop storage cubes on them and knock them over.
15 of 22: You're now going to do something very similar to the three turrets in the button-opened door room. Floor-portal yourself to a spot just outside the cube room's doorway, then put the orange portal on the ceiling right above the doorway to the button-opened door room.
16 of 22: Use blue floor portals to drop several cubes near that doorway, then floor-portal yourself over to a spot behind one or more of them.
17 of 22: The turret nearest the doorway can easily be gotten rid of by putting a portal on the floor under it. For the other two turrets, floor-portal yourself to where you can see the ceiling above them, then portal-drop cubes on them.
18 of 22: Floor-portal yourself over to a spot behind the big floor button ("behind" meaning on the side opposite the blue dots and X), then use portals to drop a cube within your reach.
19 of 22: Put the cube on the button, then quickly fire a portal onto the floor under the turret past the button-opened door.
20 of 22: Use portals to send a cube to the back of the area beyond the button-opened door, then floor-portal yourself to a spot that's past the first fence and right next to the second one.
21 of 22: Crouch down and do your best to place an orange portal on the ceiling directly above the turret in the next room, then use a blue portal to drop the cube onto it.
22 of 22: Floor-portal yourself into the next room (to a spot behind the cube if the turret didn't get knocked over), then floor-portal over next to the exit elevator. Run-jump into the elevator to finish the challenge.
