Black blood

In "Black Blood," artificial intelligence has dominated a planet, and your mission is to safeguard beacons transmitting distress signals, with the assistance of a drone that can attack, heal, and repair. Five upgradeable weapon types are available, obtained by collecting energy particles from defeated enemies. Protecting four beacons is crucial to warn the galaxy of the danger, with features including building tasks and weapon improvements, while managing resources for tower construction and upgrades. The fate of the world rests on your shoulders.