Doomsday · Side quest

Go With the Flow

Try the terminal at 476,102, then read the board at 476,115.. Collect the Coastlab Entrance Terminal Key from the locker at 431,141. Reach it by crossing the western bridge at 395,115, or break the eastern wall with Sledgehammer +4. The guide below contains 5 notes and 10 marked locations.

Walkthrough notes

Follow the objectives in order, with documented materials, mechanisms and unlocks.

Before you start

  • Beam Gun
  1. Try the terminal at 476,102, then read the board at 476,115.

  2. Collect the Coastlab Entrance Terminal Key from the locker at 431,141. Reach it by crossing the western bridge at 395,115, or break the eastern wall with Sledgehammer +4.

  3. Return to 476,102, lower the gate, then energize the beam target at 485,57.

  4. Route circuit power to the node at 462,77. The exact switch sequence still needs verification.

  5. Drain the room with the terminal at 462,79, then open the crate at 458,90 for the Lab Coat recipe.

Rewards & unlocks

  • Experience × 17000
  • Lab Coat recipe

Quest locations & coordinates

Location numbers match the interactive map. Coordinates use the game grid, not latitude and longitude. Each link opens the selected location on the map.

#LocationCoordinatesMap
1Quest start: 444,128; the source has no further walkthrough444, 128Locate ↗
2Coastlab gate terminal476, 102Locate ↗
3Noticeboard476, 115Locate ↗
4Western bridge395, 115Locate ↗
5Entrance key locker431, 141Locate ↗
6Coastlab gate terminal476, 102Locate ↗
7Beam target485, 57Locate ↗
8Circuit power node462, 77Locate ↗
9Drainage terminal462, 79Locate ↗
10Lab Coat crate458, 90Locate ↗

Things to know

  • Walkable route geometry is unavailable. Lines or numbered places indicate quest order, not a verified path.
  • These details are extracted from community source data and have not been independently checked in-game.

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