It is actually a version of Minecraft game which you can create your own world from Minecraft blocks and some other stuffs. What you need to do is so simple, you should create or destroy blocks and collect mines or elements and you should create your own world.
Game controls:
Use "MOUSE” and "LEFT-CLICK" to interact.
Use "W,A,S,D” or "ARROW KEYS" to move.
Have fun!