RAIDEN LEGACY is a four-title compilation of the mega-popular RAIDEN arcade series including RAIDEN, RAIDEN FIGHTERS, RAIDEN FIGHTERS 2 & RAIDEN FIGHTERS JET.The first episode takes place in 2090 while a massive Alien invasion threatens the entire Earth. To repel the onslaught of those bad guys known as Cranassians, the World Alliance Military has developed a daring counter-attack with a powerful new weapon: the Raiden Supersonic Attack Fighter. Be a brave pilot and use Raidens powerful weaponry to fight against waves of enemy ships and save the human race!Each title includes three different modes: Arcade Mode (just like the original); Mission Mode, which allows you to play any unlocked stage; and Training Mode, which, true to its name, allows you to excel at your favorite stages and practice the most difficult ones!