|For overview of keys, see key.|
“An electronic security key, color coded red/blue/yellow”— In-game description
- Yellow pass key - The Glow, level 1, on Dennis Allen's corpse. For use of the first elevator.
- Red pass key - The Glow, level 2, on a burnt corpse in the northeast corner. Used for the 2nd elevator.
- Blue pass key - The Glow, level 4, on the burnt corpse of Charles Ringhold. For use on the 3rd elevator, access Level 5.
- Red pass key - Found in Gecko's nuclear power plant, on a shelf in the room adjacent to both the yellow- and blue pass key rooms. Used to unlock part of the power plant.
- Yellow pass key - In Gecko's nuclear power plant, room near the supply room. Also found in a locker in Percy's house in the Gecko junkyard. Also used to unlock part of the power plant.
- Blue pass key - In Gecko's nuclear power plant, on a shelf in the room next to the yellow pass key. Can also be stolen from Dr. Schreber's desk in his lab at Navarro underground; it can either be taken while in sneak mode or after he is killed. Used to unlock the utility tunnel leading to the imprisoned Xarn.
- Red and yellow pass key is carried by a ghoul near the supply room.
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