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Player 1: Like in the last test chamber, this is all about using the speed generated by an 'infinite loop' of portals. So set your entrance portal and exit portal on the horizontal panels in the upper corner. Once player 2 is gaining terminal velocity, walk to your left and look up in the top right-hand corner by the wall. There's a vertical wall panel up here that you need to fire your EXIT portal on, causing player 2 to travel all the way over to the other side (across the chasm).

Player 1: Wait until player 2 has crossed the bridge fully before stepping off the red switch. Now get a portal on the nearby wall and one up on the wall leading near the entrance/exit. Both of you should step through and the weight needs to be dropped in it's appropriate place to open up the exit.

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Guide Information
  • Publisher
    Valve Corporation
  • Platforms,
    PC, PS3, XB 360
  • Genre
  • Guide Release
    30 June 2011
  • Last Updated
    7 December 2020
  • Guide Author

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Welcome back to Aperture Science, a world where your Companion Cube isn’t you’re only company. Take control of Chell once again in Valve’s sequel which takes you on an humorous and puzzling adventure and in our detail-packed guide we’ll show you:

  • How to solve every test chamber first time.
  • Conquer every co-op chamber with a friend.
  • Loads of High Definition screenshots and videos showing you the solutions to every single chamber.
  • High Definition strategy videos for every achievement in the game.
  • Uncover all of the hidden secrets and Easter eggs.

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