Minetest

http://www.ocsmag.com/2016/04/04/mining-for-education/

client

sudo apt install minetest

connect to cubo

commands:

/home (and related /sethome)

/teleport <x>,<y>,<z>

/teleport <player>

server

sudo add-apt-repository ppa:minetestdevs/stable
sudo apt-get update
sudo apt install minetest-server
apt install minetest-mod-moreblocks minetest-mod-moreores minetest-mod-pipeworks minetest-mod-worldedit

# Admin name = stefano

commands:

/grant <player> all

mods on http://www.minetest.net/customize/#mods

python

download from https://github.com/arpruss/raspberryjammod-minetest/releases

sudo apt install lua-socket
cd /usr/share/games/minetest/mods/
unzip /tmp/raspberryjammod-minetest-windows-msvc.zip
cd raspberryjammod
cp /usr/lib/x86_64-linux-gnu/lua/5.3/socket/core.so socket