Managed to load in bots on the unsupported maps. They play some of the basic modes (TDM, Gunfight) surprisingly well for not being 'officially' supported. : r/blackopscoldwar
Black Ops 3 Custom Maps Not Showing Up : r/CODZombies
Black Ops 3 CUSTOM MAPS on STEAM DECK! l How to get them working l Tutorial (NOW FIXED) - YouTube
Why Was this Black Ops 3 Custom map removed? : r/CODZombies
How To Get Custom Maps On Fitgirl Black Ops 3 - YouTube
Black Ops 3 Custom Maps Not Showing Up : r/CODZombies
Black Ops 3 Custom Maps Not Showing Up : r/CODZombies