Mindustry

Mindustry is a factory-building game with tower defense and RTS elements. Create elaborate supply chains to feed ammo into your turrets, produce materials to use for building, and construct units. Command units to capture enemy bases, and expand your production. Defend your core from waves of enemies.

The game is available on multiple platforms including Windows, macOS, Linux, Android, and iOS. You can get the game from the official Mindustry site:

Note: MindustryHUB is a community fansite and is not affiliated with the Mindustry game itself.