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. Mouse - Aim / Shoot. A, D - Scroll. 1-4 - Select Weapon. T, Y, U I, Q, W, E, R, S, 6, 7, 8 - Hot Keys.