Players need to go to the three places of Edge Passage, Rivet Town, and Iron Guard Restricted Area to carefully search for the mole treasures. All three decryptions are very simple and easy. After completing them all, you will unlock the fourth little mole and get rewards.
First, players need to come to the entrance of the coffee shop.
You can find clues on the table on the right side of the door. After reading it, find the chair upside down on the table and put it on the ground.
Players can find clues in the cave with shelves.
Read the clues and place the top box on the left to the middle level on the right to get the treasure.
Players need to go to the trenches leading to the snowfield to look for clues.
The clue is on the wall by the door, just place the three guns on the weapon racks.
Find all the treasures to unlock the achievement The Fourth Little Mole.
