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
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.
Return to 476,102, lower the gate, then energize the beam target at 485,57.
Route circuit power to the node at 462,77. The exact switch sequence still needs verification.
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.
| # | Location | Coordinates | Map |
|---|---|---|---|
| 1 | Quest start: 444,128; the source has no further walkthrough | 444, 128 | Locate ↗ |
| 2 | Coastlab gate terminal | 476, 102 | Locate ↗ |
| 3 | Noticeboard | 476, 115 | Locate ↗ |
| 4 | Western bridge | 395, 115 | Locate ↗ |
| 5 | Entrance key locker | 431, 141 | Locate ↗ |
| 6 | Coastlab gate terminal | 476, 102 | Locate ↗ |
| 7 | Beam target | 485, 57 | Locate ↗ |
| 8 | Circuit power node | 462, 77 | Locate ↗ |
| 9 | Drainage terminal | 462, 79 | Locate ↗ |
| 10 | Lab Coat crate | 458, 90 | Locate ↗ |
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.