Whenever you enter a secret area, you will hear a metallic sound in the background. Find all of them to get the 'Finders Keepers' trophy. There are a total of 73 secret areas in the game. Use the indicated combination to open the corresponding safe:Ĭhapter 1: Lockdown - Serendi Jeweler's Cellar: 739 The City Part I - Miss Scarlett's Town House: 824 Chapter 2: Dust to Dust - Workshop: 314 The City Part II - Baron's Way South (South Quarter): 842 Chapter 3: Dirty Secrets - Upper Level: 573 Chapter 4: A Friend in Need - Safe Chamber: 319 Chapter 4: A Friend in Need - Safe Housing: 018 Client Job 4: The Carnal Connoisseur - Wine Cellar: 812 Chapter 5: The Forsaken - Treatment Center (Third Floor): 731 The City Part V - Archie Maxwell's House: 776 Chapter 6: A Man Apart - First Floor: 889 Chapter 6: A Man Apart - Waiting Hall: 017 Chapter 7: The Hidden City - Loading Docks Interior: 673 DLC: Client Job: The Bank Heist - Outer Vault: 632