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The Orange Box: Portal Hints
Chamber 17 with Least Steps
1 of 12: The starting areas in this chamber are almost totally metal-clad, so there are no step shortcuts to take except to use run-jumping constantly.
2 of 12: See the links below for reminders on how to get past the first two areas. The only extra thing you need to do along the way is fire a blue portal at the black mark on the wall at the start of the first energy orb corridor.
3 of 12: At the top of the second set of steps at the end of the second energy orb corridor, get to where you can see the slanty bit of concrete in the big lift room.
4 of 12: Set the cube down and fire an orange portal so that it appears in the center of the slanty concrete. (You probably can't see it all, but remember that it has three concrete slabs, so the portal needs to appear directly on the second one.)
5 of 12: If you do it right, the energy orb from the first corridor will come out of the orange portal and bounce into a receptor, thereby raising the first lift.
6 of 12: Pick up your storage cube and run-jump through the doorway and over to a spot near the edge of the lift room's upper floor. Put the cube down again, then relocate the orange portal to a spot a bit to the left of the lower-floor doorway that has a security camera near it.
7 of 12: What you want to do here is place the orange portal so that when an energy orb comes out of it, it'll hit the side of the large extended wall section down there at just the right angle to bounce it through the doorway and into the receptor in the room beyond. You'll have to have patience and fine-tune the orange portal's exact location in order to get this done.
8 of 12: NOTE: I've heard of a strategy where you'd now portal-fling yourself and the cube onto the second lift, then jump from it to the hallway that leads to the final area. However, I've found the jump to the hallway to be impossible, thereby making it necessary to raise the third lift.
9 of 12: Relocate the orange portal to the middle concrete slab on the short wall to the left of the doorway that leads to receptor #3's area, then pick up the companion cube and run-jump down to where you can hold it up in front of the orange portal.
10 of 12: You need to deflect the energy orb so that it goes through the doorway and bounces around until it enters receptor #3. This is very tricky, though possible, so keep trying until you get it.
11 of 12: Portal yourself and the cube onto the room's upper walkway next to the first lift, then run-jump across the lifts and on to the cube disposal area. There aren't any step shortcuts you can take with this, unfortunately.
