Start an Account
Open a MochiGames, Addicting Games or any vendor game account where "Bloons Tower Defense 2" is hosted. Start the "Tower Defense" game using the account information. When starting, pick the easy, medium or hard level, and finish the first round, using any tower available.
Save Original Game
Save the game after the first round. Enter sandbox mode and choose the same path as before, clicking any bloon desired. End the sandbox mode game. It is important to pick the exact path as your previous game or this cheat will not work.
Banana Farms
Log into your original game. You'll earn money without having to complete the sandbox game. Continue starting a new sandbox game and repeating to earn enough money to purchase the banana farm.
Money Made in "Bloons Tower Defense 2"
With upgraded banana farms, a player will earn around 70,000 dollars in in-game money per round played. Continue playing rounds to build up money as needed. With enough banana farms and a few towers, a player may earn several million dollars in in-game money in an hour of playing.
Repeat as Needed
Repeat using the sandbox method as needed throughout the game if you need more money. Some money may be needed in reserve to repurchase banana farms to build up a cash flow again within the game.