Defender KMFDM and Trigger provide hard, pulsating rhythms that lend an even more realistic feel to the int Fend off the alien advance on the various planets and moons of the solar system including Venus, M Engage the alien invaders in Single-Player Campaign Mode or Two-Player Cooperative Campaign Mode Choose from six different types of ships, from heavily-armed bombers to quick and stealthy fighter Upgrade your ship between missions and earn multiple power-ups including shields, advanced weapons