Help Captian Samael to man earth's last inter-orbit defence station and hold off the poor speaking Bhal Zaggoth and his evil alien forces. Upgrade your firepower and defences, buy air and ground units to patrol the area.
Earth Onslaught controls
Use your mouse to aim, press your left mouse button to open fire. Spawn new troops (when purchased) using the hotkeys at the bottom (T,Y,U,etc..)