Games like Fallout 76: Once in a Blue Moon

If you finished Fallout 76: Once in a Blue Moon, the closest matches are Scum, Red Faction: Guerrilla, Shoulders of Giants, SD Gundam Battle Alliance and Ghost in the Shell: Stand Alone Complex - First Assault Online. All 9 share its role-playing (rpg) genre and are ranked by how closely their themes and modes overlap.