Bloons Tower Defense 5 - Daily Challenge June 24, 2013 (Big Monkeys)(NAP...

Its easy to NAPSFRILLS but unfortunately I dont have time to do it again so enjoy :)

Big Monkeys - Only monkeys can be upgraded. Rounds 20-65. 2 of each tower. By WeegeeMaelstrom 50 MM reward

Video is on 3.5x speed
No Agent, Premium and Speciality
(Please comment if you have better strategy)