Bloons Tower Defense 5 - Daily Challenge May 3, 2013 (Another 42 Game)(N...

Another 42 Game - With 4 commonly used 4/2 towers, beat Castle on Easy. Red bloons are ranked up by 4 (pink), blue bloons are ranked up by 2 (yellow). By KillerEX

Video is on 2-4x speed
No Agent, Premium and Speciality
(Please comment if you have better strategy)
For more walkthrough: http://bloons-tower-defense-5.blogspot.com