These are some strategies that will help you win some BTD games. 

1. You need to get the super monkey, bannana farm, and monkey village.

2. You need to place many farms until you get enough money to get a super monkey, it's okay if you lose some lives.

3. You need to get a true sun god temple.

4. You need to sell all your bannana farms to get enough money to do a rainbow regan camo rush.

5. You need to wait until round 12 to do a rainbow regan camo rush.

6. Lastly, you need to spend as many rainbow regan camo balloons and then he will lose.