Bloons Tower Defense 5 - Daily Challenge May 15, 2013 (Winter Explosions)(NAPSFRILLS)

Winter Explosions - Mortar Tower, Bomb Tower, Ice Tower, Monkey Ace, Spike Factory. One of each. No special agents The Rink on Medium, Rounds 25 - 65 with 2,500 Starting Cash and 150 Lives. Reward: 50 MM

Video is on 3x speed
No Agent, Premium and Speciality
(Please comment if you have better strategy)
For more walkthrough: http://bloons-tower-defense-5.blogspot.com