Bloons Tower Defense 5 - Daily Challenge 2 March 2013 HD (Red, Yellow, W...

You will need Spike R Us for this to work, but I believe it would also work without, just harder.

Red, Yellow, White, Rainbow and Red - With a changed bloon rank, beat Bloon Circles on Hard from round 40. By superdarmanitan

Video is on 3x speed
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For more walkthrough: http://bloons-tower-defense-5.blogspot.com