: Use the roller skate on the UFO model at reception and move it over the window. Clean the skylight using an extended cleaning utensil (oar + blanket + bucket) to reveal clues.
Below is a summarized walkthrough guide for the game's main chapters. File: Secret.Files.Puritas.Cordis.v1.02.zip ...
: Gather missing mosaic stones (White King, Black Pawn, etc.) found at the Metro station, Zoo (inside the crocodile cage), and Jail. : Use the roller skate on the UFO
: Move Professor Patterson's magnetic plate down one slot and place Dr. Forrester's plate at the top to proceed. Chapter 2: The Cruise Ship (Nina) etc.) found at the Metro station