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Getting the Blue Key / Getting to the Blue Key Slot
Duke Nukem 3D

Getting the Blue Key / Getting to the Blue Key Slot

Guide to getting the Blue Key in Duke Nukem 3D, including secrets and enemy encounters in the restaurant area.

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Guide to getting the Blue Key in Duke Nukem 3D, including secrets and enemy encounters in the restaurant area.

Walkthrough
  1. 1
    From your starting position outside, grab the Devastator from the compartment to your right.
  2. 2
    As you move forward, an Enforcer will spawn. Use the Devastator carefully to defeat it and any incoming Sentry Drone.
  3. 3
    Look down and snipe any Troopers and Captains from your elevated position.
  4. 4
    Jump into the water to descend. Be aware of Sharks and Octabrains, which can be dealt with later.
  5. 5
    On the lawn area, eliminate any remaining Troopers and Captains.
  6. 6
    Go onto the ledge to acquire a Chaingun Cannon and an Atomic Health.
  7. 7
    Enter the water on the right side. Near a jail door, find Chaingun Cannon Ammo, and a Small Medikit near the wall. Be cautious of three Octabrains; use the Chaingun Cannon to defeat them.
  8. 8
    In the middle of the tunnel connecting the water sections, find Pipebombs. Also, locate Slimer Eggs surrounding a Holoduke.
  9. 9
    On the left side of the pool's exit, find a Large Medikit.
  10. 10
    An Enforcer will emerge from behind a wall near the entrance; defeat it with the Chaingun Cannon.
  11. 11
    Collect Pistol Ammo from the ledge and jump into the hole where the Enforcer appeared.
  12. 12
    Down here, find Pipebombs and an Atomic Health. Use a Pipebomb to destroy the crack in the wall.
  13. 13
    Go through the opening, enter the water, collect Chaingun Cannon Ammo, and you will return to the beginning area.
  14. 14
    Enter the restaurant. Be prepared for a Mounted Gun before entering and two more inside. Use the Devastator for efficient destruction of Mounted Guns and the Sentry Drone to your left upon entering.
  15. 15
    In the restaurant room, find Shotgun Shells and a Small Medikit.
  16. 16
    On a ledge with the Dukai sign, find Pistol Ammo.
  17. 17
    In a dark corner, break a vase to find Night Vision Goggles. A hint for Secret 2 is on the wall, suggesting the use of Night Vision Goggles.
  18. 18
    SECRET 1: Near the red statue, an invisible wall hides Chaingun Cannon Ammo and a Small Medikit.
  19. 19
    SECRET 2: Find the picture of a woman in a bikini. Search the lower portion to reveal a Shrink Ray on top.
  20. 20
    SECRET 3: Open the bloody handprint on the chalkboard and jump in to get Body Armor. Jumping in is required for the secret credit.
  21. 21
    In the Sushi Rooms, three curtain-like doors lead to different areas. One opens upon entering the restaurant. Another reveals two Captains and two Troopers, along with a Shotgun. A lighter colored wall in this room hides a Jetpack.
  22. 22
    The far-right room contains a Portable Medikit.
  23. 23
    SECRET 4: Bomb a crack in the right room to find Shrink Ray Ammo and two Large Medikits.
  24. 24
    In the Middle Room, the table lowers upon entry. Enter the new room and hit the switch. Steroids are also found here.
  25. 25
    A door opens past the bar sign and the Blue Key door. Proceed to this area.
  26. 26
    In the Canister Room, you'll find canisters, eggs, and babes. Shoot the canisters to fight the resulting Trooper with a Pipebomb or Pistol.
  27. 27
    Find Shotgun Shells, Chaingun Cannon Ammo, and a Small Medikit on tables. An Octabrain is also present.
  28. 28
    Go to the window ledge and collect Shotgun Shells, but avoid entering the water yet.
  29. 29
    Enter the curtain doors here. You will face two Enforcers.
  30. 30
    In this room, find the Blue Key in a wall compartment and a Small Medikit on the counter.
  31. 31
    Locate the cash register; interacting with it opens doors revealing Teleport Pads for connectivity.
  32. 32
    The door in this room leads back to the entrance. Proceed to the Blue Key door.
Tips
  • The Devastator is highly effective against Sentry Drones and Mounted Guns, conserving other ammunition.
  • Use the environment to your advantage by sniping enemies from elevated positions.
  • Be mindful of underwater threats like Sharks and Octabrains; they can often be bypassed or dealt with later.
  • Pipebombs are useful for destroying cracked walls and dealing with groups of enemies.
  • Secret areas often contain valuable items like ammo, health, and powerful weapons.

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