After the attack, alien had to be released very sad panda from prison. After all, it can only lead the battle ship and go in pursuit of the invaders. On the ship, the installed packages, the direction of which you define yourself. Spend missiles to the target with the mouse, and they run to hit the enemy. crystals will lie on the ground, do not forget to take them aboard using it on a special button. Defeat all the enemies and go back to the base.