Play by touching the screen to move and shoot enemies. Collect items to upgrade or change weapons. Upgrade spacecraft to enhance firepower. Navigate hazardous environments. Face increasing numbers of enemies. Protect Earth from swarms.
Manage and control units and buildings in real-time battles. Create and join matches to compete against other players. Choose from 18 empires with unique units and strategies. Build and manage resources to expand your .
Measure distances, heights, widths, lengths, and calculate
Measure distances, heights, widths, and lengths using your phone's camera. Calculate areas and save measurements. Share results via email or messaging.