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  • Nathan

    Dude, you can get it down to 13 portals like this: In the room with the stairs, you can do that with 2 portals instead of 3, but placing one on the floor, on on the floor in the other room, turn off portal funneling, and jump through (same as what you have to do it lvl 15 advanced). That will make life easier when you reach the last room.

  • Supreme

    yes, but that trick is harder.the only reason i cant finish advanced.1 portal doesnt matter,considering youll get gold either way.

  • BrItneY

    Thks ! Really interesting and not so difficult to do ! :D

  • Yoah

    Portal’s been patched. Portals now close as soon as you shoot, not when they open somewhere else.