You escaped the orbital space station and survived the explosion. Dr Rycroft left co-ordinates and now you need to investigate what experiments he performed on you. Beware though, he has surrounded himself with hi-tech defenses.
Drive a single tank against the enemy army. Defend your teleporter and prevent enemy units from escaping through it. Do not leave the battlefield or you will be terminated.
Shoot the incoming enemies to protect your base. Collect weapons and turrets that automatically fire on the incoming missiles. Push the turrets around the battlefield to take advantage of their range and abilities.