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The Orange Box: Portal Hints
How can I get up to the stairs in the chamber's entry area?
1 of 7: Look around carefully for the orange portal.
2 of 7: You'll find it on an extended wall segment attached to a large metal pole directly above you.
3 of 7: Try making a blue portal in a nearby wall and walking through it.
4 of 7: You'll probably just drop back down to the floor where you started.
5 of 7: So try backing up and running toward the blue portal.
6 of 7: That'll get you a bit of momentum, which will carry you through the orange portal and onto the platform next to the stairs.
7 of 7: Another way to gain sufficient momentum is to open a blue portal in the floor and drop through it.