The 20th century... the century of war, with both World Wars and many other wars that killed dozens of millions of people, with the intensity of territory-capturing and all the things. We'll now recreate that atmosphere in BTD... with one of the most intense battles ever! You need to beat Operation Heaven One first to unlock this mission and upon completing this mission, you'll unlock the track Thousand Sakuras if you're at Rank 83 or above. You're given $10000 start cash and 500 lives. Technically, this mission has 2 rounds: