Survive and colonize on an unknown planet near a red star. Find and gather resource, build shelter and engineering factory, avoid alien invasion, and finally build/maintain working ecosystem on the planet. Whole game goes within a single persistent simulator in the server that will be reset periodically with some game rule/setting changes. In short: massively multiplayer planetary colonization game.
Ice rocks can be melt by beamgun or destroying them by removing blocks that are supporting the ice.
You can get liquid water from melt ice, and it will go in to the surface sand quickly.
The surface sand (called Regorith) seems to be able to prevent water from vaporization,
so it'd be able to use it for growing plants.