Age of Wonders: Planetfall Save Game Location
Windows
Age of Wonders: Planetfall save games can be found on Windows here:
C:\Users\[user_name]\Documents\Paradox Interactive\Age of Wonders Planetfall\Saves\
Linux
Age of Wonders: Planetfall save games can be found on Linux (Proton) here:
~/.steam/steam/userdata/[user_id]/718850