You can view the in-game version number for MOUSE: P.I. For Hire on the bottom left corner of the screen when on the main menu. During gameplay it's in the bottom left corner of the screen of the pause menu. 

To view your platform version number please follow the below steps

• Steam: On the game page in your library select the "Manage" cogwheel, open the "Properties" option and select the "Updates" menu option, the platform version number here is alongsidethe "Build ID" number. 
• PlayStation 5: With the game tile selected on your Console Home Menu, press the "Options" button and select "Information". The Platform Version number will be displayed on the "Version Number" row.
• Xbox Series: With the game selected on your Console Home Menu, press the "Options" button and select "Manage game and add-ons". The Platform Version number will be displayed underneath the game title on the tile.
• Nintendo Switch 2: With the game tile selected on your Console Home Menu, press the "+" button to bring up the game information and you will see the Platform Version number displayed underneath the game title.
  
  Sharing any of these with our Support team will be an immense help towards us tracking down the exact issue you're having.