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Duke Nukem 3D Hints
Where is the red key card?
1 of 12: The red card will open the door beyond where the blue light is, near the exit.
2 of 12: First off, it's underwater.
3 of 12: To get it, you'll need to deactivate the force field surrounding the tunnel that'll get you underwater.
4 of 12: Get into the out-of-order elevator by blowing up the barrels next to it.
5 of 12: Hit the switch inside the elevator.
6 of 12: Now, go up to the door that's lit with the blue light (the area itself is green).
7 of 12: There should be four lights across from the door.
8 of 12: Deactivate the one light that's glowing, and activate the second from the left.
9 of 12: It should look like: OFF OFF ON OFF.
10 of 12: This will lower the force field back outside.
11 of 12: Jump into that area that used to be cut off, and dive underwater.
