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The Orange Box: Portal Hints
Chamber 13 in Least Time
1 of 6: Quickly run-jump forward to the starting room, then shoot a blue portal onto the wall next to the storage cube.
2 of 6: Put an orange portal on the floor next to you so you can grab the cube and put it on the big button.
3 of 6: Fire a blue portal through the upper-floor door, straight at the while ceiling tile, then grab the cube and drop through the orange portal.
4 of 6: Immediately turn and toss the cube so that it lands on the lower button platform and presses its button down.
5 of 6: Quickly shoot a blue portal into the room past the button-opened door, then jump off the platform and shoot an orange portal onto the floor beneath you.
6 of 6: After you exit through the blue portal, run-jump for the elevator.