The Mouse PI For Hire One Flew Code is a three-digit number that opens the locked door at the start of the One Flew main job. This locked room counts as one of the secret locations.
Let’s see what you must do to discover the code!
Where to Find the Mouse PI For Hire One Flew Code Secret Location
The Mouse PI For Hire Nuthouse Code is found towards the end of the One Flew main quest, but you can easily miss it if you’re in a hurry to complete the main mission.
Nuthouse Code Location
Progress through the main mission and find the lift. Before getting in the elevator, turn around and notice the stacked files.
The Mouse PI For Hire One Flew Code (451) is written on a piece of paper on top of the files. Now, you will have to backtrack to the start of the level to open the locked door. Exit the area with the save point and the elevator, and make a right. Jump over the wooden crates and continue towards the warp pipe.
Use the warp pipe and make your way to the Decontamination Chamber. Turn left and enter the room with the save point. Go under the desk and enter the vent crawlspace.
Exit on the other side and keep going to reach the One Flew locked door. Interact with the switches and input the Mouse PI For Hire Nuthouse Code 451. Press the Submit button to unlock the door.
Inside the secret room, you will find some money, ammo, and a lore file on the table. You can now proceed with the main objective, however, don’t forget to complete the Behind the Nuts side job before finishing the main mission.
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