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Follow the dark path or use the light

Walkthrough (Sewer)

One Leaves Walkthrough and Guide by Paul (vhayste)
Last Updated:
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This area doesn’t have any breakers to find and activate so you’ll only have to rely on your navigation skills. There’s still one last object of interest here to find that’s related to an achievement.

Find the “Pearly Whites”

(This step can be skipped if you already unlocked the corresponding achievement)
Proceed to the round room and enter one of the tunnels there. You’re looking for a tunnel with a bright yellow light. Approach that tunnel and confirm if it has multiple exit signs on it.

Enter the corridor and navigate it to find corridor with tar and fleshy walls. Check if it has a set of teeth and gums in the corner. If there is, approach it to unlock an achievement.

Achievement Unlocked: Not So Pearly Whites
After locating the described object above, just approach it to unlock the achievement

Find the Exit or Deliberately Get Trapped

The path to the exit should be clean, without any disgusting fleshy walls. So if you encounter one, turn back and try another path. It’s okay to encounter organs or veins along the path, even if they’re overflowing on the floor or some parts of the wall. As long as the walls, floors, and ceiling of the tunnel are not fleshy, you’re in a good direction.

Once you see some exit signs on the wall, you’re almost out of here. You’ll know it’s the correct exit if you see the street lights outside. Congratulations!

Achievement Unlocked: One of Three
If you take too long navigating the maze, the exit will just lead to a room with no way out. This will result to a game over but you’ll also unlock this achievement as well.

Video Playthrough

Sewer Level Completion and Escape

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