Protect your resource harvester from hordes of attackers and robotic bosses by constructing and upgrading a defensive tower around it. Take control of a flying drone as you blast baddies to collect money to upgrade your drone's power and abilities across forty levels over eight different worlds!
Enjoy this sequel to the original arena-style shooter!
Use WASD or the arrow keys to move your robot drone around.
Use the mouse to aim and left click to shoot.
Press 1-3 to switch weapons and R to reload.
Press P to toggle pause.
Press M to toggle sound.