Battle Brothers Save Game Location
Windows
Battle Brothers save games can be found here:
C:\Users\[user_name]\Documents\Battle Brothers\savegames\
Linux
Linux (Proton):
~/.steam/steam/userdata/[user_id]/365360
Battle Brothers save games can be found here:
C:\Users\[user_name]\Documents\Battle Brothers\savegames\
Linux (Proton):
~/.steam/steam/userdata/[user_id]/365360