Minetest Δ (“Minetest Delta”) is a fork of Minetest-c55 , incorporating experimental features that are not (yet) included in Minetest-c55. New bricks: * Sandstone (crafted from 4 sand) Alternate graphics: * Player * Omsk birds (instead of Oerkki ghosts) * Rat * Glass Building on GNU/Linux: cmake . -DRUN_IN_PLACE=1 make -j2