I can't see a reason why mod or game creators cannot use the built-in singlenode mapgen option. Note that games can set the default mapgen and disable any other mapgens via game.conf, while mods can also hijack the options in map_meta.txt or reject to run if the values does not match.
I can't see a reason why mod or game creators cannot use the built-in
singlenodemapgen option. Note that games can set the default mapgen and disable any other mapgens viagame.conf, while mods can also hijack the options inmap_meta.txtor reject to run if the values does not match.