Mindustry is a hybrid tower-defense sandbox factory game. Create elaborate supply chains of conveyor belts to feed ammo into your turrets, produce materials to use for building, and defend your structures from waves of enemies.

Features include a map editor, 24 built-in maps, cross-platform multiplayer and large-scale PvP unit battles.

Consider buying this game on Steam for features like achievements, seamless multiplayer and map browsing/Workshop support (and to support the developer).

My Australian Servers

It didn't seem like there were any Australian servers, so I decided to host some.

mindustry.kbni.net.au:6567Hexmod PvP
mindustry.kbni.net.au:6568500x500 Sandbox