Dark darker and darker is a track in bloons tower defense 103. The track gets darker as the rounds go by, and the darker the track gets the harder it is to see, so there is a tower only available on this track that emits light, the tower costs 1200. The track has 1 entrance and 3 exits The rounds are special, with different Bloons. (well it IS a track in bloons tower defense 103) After the round is started, The message shows up at the top. Round 1 : 15 Reds Round 1 Message : Watch Out For Darkness! Round 2 : 5 Blues Round 2 Message : There Is Different Bloons On This Track. Round 3 : 1 Balloon Balloon