Write mods without server restart while playing. Create custom machines that can build, dig, produce... Create your own games like minesweeper, sokoban,ctf, hide and seek...
the grinder recipes for gravel->dirt and dirt->clay_lump have a cost of 0.5 which evaluates to upgrade level -1. can't have negative quantity of items so fail
the grinder recipes for gravel->dirt and dirt->clay_lump have a cost of 0.5 which evaluates to upgrade level -1. can't have negative quantity of items so fail