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Singularity Hints

Traverse Abandoned Tunnels

  • 1 of 7: Deadlock your way back past the fan, then return to the room with the big gassy hole in the floor. Drop into the hole, noting the oxygen meter that comes up.
  • 2 of 7: Go up to the doors and open them, ready to blast the revert that's on the other side. After it's down, pick up all the oxygen bottles that you can, then go through the doors and around on the walkway until you see another revert ahead.
  • 3 of 7: Kill it quickly, then go through the doorway past it and look behind the crates on the right for an oxygen bottle.
  • 4 of 7: Grab the oxygen bottle in the shaft, then drop out of its other end and quickly turn left. Impulse-blast the nearest mutant, then go do the same to the ones that come down the stairs on the other side of the room. After they're dead, quickly look around for supplies (including several oxygen bottles).
  • 5 of 7: Go up the stairs and through a door, then look for several oxygen bottles as you move to the other end of the area, where you'll find a large closed brown door that you need to go through.
  • 6 of 7: You'll get a checkpoint save right after you go under the brown door. Look next to it to find an oxygen bottle.
  • 7 of 7: Go up the small ramp in the back to find more oxygen bottles, then enter the next room to find more bottles and a ghostly "echo" vision. After the vision is over, you'll need to ride an elevator out of there.