Board Thread:Questions and Answers/@comment-203.81.69.76-20140912100930/@comment-203.81.71.93-20141002101332

210577bloons wrote: 203.81.69.76 wrote: I just figured out the answer but i still want to see other peoples answers Or because the challenges are from BTD5. Therefore, it is unlikely that a challenge will allow these four towers. But ALL four of them in the SAME mission is really really really rare. One such mission is Deflate the Clock.