Freeman: Guerrilla Warfare Save Game Location
Windows
Freeman: Guerrilla Warfare save games can be found on Windows here:
C:\Users\[user_name]\AppData\LocalLow\KK Game Studio\Freeman Guerrilla Warfare
Linux
Freeman: Guerrilla Warfare save games can be found on Linux (Proton) here:
~/.steam/steam/userdata/[user_id]/773951