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The Orange Box: Portal Hints
Chamber 17 with Least Portals (Method 2)
1 of 12: This is an alternative way to get through Chamber 17 using only two portals. It can be quite a bit easier than method 1 since you don't have to redirect any energy orbs with your cube.
3 of 12: Use no portals until you get to the main lift room and drop down with your companion cube.
4 of 12: Put one portal into the extended wall section down there (or any other wall), then put the other portal into the secret room that's behind the extended wall section.
5 of 12: Now carry your companion cube and three of the secret room's broken security cameras over to the upper hallway near the farthest lift that you need to get up into.
6 of 12: Make sure all the cameras are lying on their sides, then put one of them on the floor in one of the two corners next to the upper hallway entrance.
7 of 12: Then set another camera carefully on top of it.
8 of 12: Try to make your two-camera stack as sturdy and level on top as possible, since you're going to put your companion cube on the stack next.
9 of 12: To keep the cube from falling off, it may help to have your two-camera stack set a bit out from the corner instead of pushed up into it.
10 of 12: After you get it to stay up there, place a third camera on the floor next to the stack so you can use it to jump up onto your cube.
11 of 12: Jump onto the upper hallway floor from on the cube, then crouch down and pick it up.
12 of 12: You can now proceed to the incinerator and the exit without using any more portals, ending up with a final score of 2.
