Difficulty

Difficulty is what determines how hard or challenging a Bloons Tower Defense game is. The player can select what difficulty they would like to play at before going into a game. Then depending on what difficulty was selected, the game will adjust the players' money and lives, as well as the costs of things and (sometimes) what level the player has to get to in order to "beat" the game, accordingly. There are 5 diificulties: Easy, Beginner, Intermediate, Advanced, and Expert.