The biggest sequel in tower defense history is finally here! Defend your world from the invasion by building winding paths out of imaginative, new weapons. Call in airstrikes and set explosive traps to hit the enemies where it hurts. Over 20 new levels span the grassiest fields, driest deserts, sparkling cities, and even an infernal volcano lair! Challenge your mind with the exciting new gameplay styles in Puzzle, Sudden Death, and Time Trial levels. Are you ready to stop the fieldrunners once and for all? Join the defense, now!