Makes Gleba's overgrowth tiles able to spread on their own, but cost much more to craft.
Mods introducing new content into the game.
Map generation and terrain modification.
Love this! Just an idea/suggestion, but you could define some variables like chance to spread, maximum and minimum growth speed, etc, and then randomize both the physical spread and timing :)
Good catch! The new version now has random growth time customizable from the mod settings.