Source : http://minetest.net/
Download : x64, aarch64
https://www.qnapclub.eu/fr/qpkg/726
About :
Host your own MineTest Server
Minetest, an open source infinite-world block sandbox game engine with support for survival and crafting
Source built from : https://github.com/minetest/minetest
https://wiki.minetest.net/Setting_up_a_server can help you to setup your custom server
QPKG integraton :
all components and config files are /opt/MineTest/Server
run by default a basic minetest server on port UDP 30200 (binded to 0.0.0.0)
other config example are inside same directory