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Portal 2 Hints
Once I'm in it, how can I move on?
1 of 3: Since there aren't any doors or big wall holes, you'll have to wait until a portal opens up. (That's what this game is all about, anyway.)
2 of 3: Watch the one wall section that isn't made of glass. When the computer voice stops talking, the orange side of a portal will appear there.
3 of 3: Walk through it to leave the room and find yourself next to a big 00 sign, which signifies that you're near the entrance to Test Chamber 00.
