During the seventh BO7 campaign mission, Fracture, you'll be asked to hunt down a door code that 50/50 can't quite remember, but only remembers that it starts with 4-2. There's a short puzzle ...
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Mouse PI for hire door codes: All codes & puzzle solutions
Find every door code in Mouse P.I. for Hire, including the Curdsville Nuthouse combination and all Shrewd Shrews puzzle solutions.
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