At The Cork-Board In The Lobby, "Challenge Mode" Is Available.
Complete 3 Of These Runs, With The Ghost Correctly Identified, To Complete The Weekly Challenge.
- Check The Clipboards In The Lobby (On The Table Next To The Truck) To Make Sure You Do This On The Correct Map.
Complete The Weekly Challenge Mode On Ten Different Weeks To Unlock This Achievement.
(This Is Not Retroactive)
As Of Writing (November 17, 2023) Not Able To Be Done, As Not Enough Weeks Have Passed Since Implementation Yet.
Earliest This Was Obtainable Was January 2024.
- Confirmed By Multiple Members Of Their Community
Good Luck!