DroneWar

Conquer the other side of the planet, by your drone's attack.
To drive fights advantageously, strengthen your drones, by way of -
< COMBINE DRONES > Touch two drones
< SPECIAL SKILLS > Wait for mutation
-Power(RED): Become stronger.
-Speed(CYAN): Become faster .
-Range(GREEN): Come to attack remote enemy.
-Charm(BLUE): Come to let enemy betray.
-Wisdom(YELLOW): Come to go straight, and to aim headquarter.