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NiBiRu Hints
What do I do at the rat hole?
1 of 12: The rat hole referred to here is back at the main junction of tunnels. It is along the bottom of the wall, on the right side.
2 of 12: Your goal (the only goal) at the rat hole is to catch a rat.
3 of 12: But you won't be able to catch a rat without some supplies from the Archives.
4 of 12: Go through the rows of files to the room beyond. Look around the room for possible rat-catching equipment.
5 of 12: Go into a close-up of the table...
6 of 12: ... and take the box and ruler.
7 of 12: A simple trap can be constructed with the box and ruler. Combine them in inventory to make a rat trap.
8 of 12: However, a trap without bait isn't enough.
9 of 12: Do you have anything that can be bait to the rat?
10 of 12: You're still carrying around a can of beans.
11 of 12: Open your inventory and use the can opener on the beans. Use the opened beans on the rat trap.
12 of 12: Go back to the main junction of tunnels. Put the trap in place in front of the rat hole (at the bottom of the wall on the right). Leave the scene. When you return, the rat will get caught inside the trap.