Earth is under attack from every direction—UFOs, battle drones, and deadly comets. You are the last line of defense. Build your own war machine from blocks and turn it into the ultimate survival rig. Every block shapes your playstyle: add shields and armor...

Controls are minimal—action and strategy are not: • Move left/right to dodge incoming fire and falling comets. • Mobile: drag or hold your finger on the screen to move—while your finger is down, your weapons keep firing automatically. How a level works: • ...