Download Hints

Get quick and convenient access to just the hints you need for The Orange Box: Portal, without staying on our web site. Just download a free trial version of our UHS Reader software and a copy of these hints. You will get the same gradual hints you see here -- unlike ordinary cheats or a walkthrough that can spoil your game.

You can also buy the full version of the UHS Reader for Windows or macOS. For just $14.95, you get full access to hints for hundreds of games and 1 year of free updates. You can also search, decode, or print an entire game's worth of hints at once.

Ask the Author

If you have questions about a puzzle that aren't answered anywhere in these hints, you may contact the author.

How can I get to the room at the other end of the moving platform corridor?
  • 1 of 9: By using several portals.
  • 2 of 9: Start by firing an orange portal at the wall at the end of the first segment of the moving platform corridor.
  • 3 of 9: Then fire a blue portal into a wall near the start of the corridor.
  • 4 of 9: Stand at the blue portal and wait for a platform to appear right in front of you so that you can get on it.
  • 5 of 9: As soon as you're on the platform, turn left and fire an orange portal at the wall that's at the end of that corridor segment.
  • 6 of 9: Ride the platform along until you can hop off onto the floor of the large glass-wall room again.
  • 7 of 9: Go over to the blue portal you have set there and watch for a platform to get near it.
  • 8 of 9: When you go through and get onto that platform, immediately turn right and fire an orange portal at the back wall of the room you can see a ways ahead.
  • 9 of 9: Then fire a blue portal into a nearby wall and jump through it.