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The Orange Box: Portal Hints
How can I get through this glass?
1 of 9: You don't have anything to break it with.
2 of 9: So look around for something that will.
3 of 9: There's a button post in your room. Why not try it?
4 of 9: It'll activate a swiveling, rocket-firing sentry in the center of the room between the two pieces of glass.
5 of 9: Watch what happens the first time the sentry locks onto you and fires.
6 of 9: Its rocket will destroy the glass between it and you!
7 of 9: So quickly run into its room and across to the other piece of glass.
8 of 9: Stop in front of it so the sentry will lock onto you, then quickly strafe out of the way before it fires.
9 of 9: Its rocket will shatter that glass, too, so run into the room beyond it and through the open door.
