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Portal 2 Hints
How can I get that achievement?
1 of 6: Near the first test chamber's exit is a closed gate leading to the area you need to get into.
2 of 6: Looking past the gate and the stairs, you'll be able to see a portal-friendly wall in the distance.
3 of 6: Fire a blue portal onto it, then go down to the entrance to the next test chamber.
4 of 6: Don't go through the force field and into the chamber, but instead put an orange portal onto the nearby portal-friendly wall.
5 of 6: Go through the orange portal, then turn right and enter the nearby room.
6 of 6: To get the achievement, walk up to the big painting on the wall that shows Cave Johnson and some woman.
