Catherine Calderon: Lobby - 1Up - DDA - TL - 2RSD
Extra:
Rusty key: Lobby - 2LDD
rusty key location: Lobby - 1Up - RSD
Small key: Lobby - 1Up - DDA - TR - TL - RSD
small key location: Lobby - 1Up - TL - 2LSD
Big key: Lobby - 1Up - DDA - TL - 2RSD - SDA
Big key location: Lobby - 2Up - TR - RDD - RSD
Brass key: Lobby - 4Up - DDA
brass key location: Lobby - 4Up - TL - DDA
Boss room [Tendrill]: Lobby - 4Up - TL - LDD
Thanks: AlexisCcamaTone