Cash
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Cash (also called money, especially prior to Bloons TD 4) is the main currency in the Bloons TD series and some spinoffs when playing a map. It is primarily used to buy towers and upgrades. Cash can be obtained through various means, but is usually gained by popping Bloons.
Cash is usually notated with the dollar sign ($), though in Bloons TD Battles 2, it is sometimes represented by an icon with a cent sign (¢).
Sources of cash
Starting cash
Starting cash is the amount of cash a player starts a game with. In most Bloons TD games, the player starts with $650, though some game modes alter this. In Bloons Monkey City, the player starts with $350, which increases by $100 per City Level gained, up to a maximum of $4,250.
Depending on the game, starting cash can be increased by some methods. In the mobile version and console version of Bloons TD 5, starting cash can be increased with the Monkey Lab to up to $1,050. In Bloons Monkey City, starting cash can be increased by an additional $250 with the Magic Coin Purse and Epic Magic Coin Purse. In Bloons TD 6, starting cash can be increased with the
More Cash Monkey Knowledge. In Bloons Adventure Time TD, starting cash increases by $5 per rank, to up to $1,125 at rank 100.
Cash per pop
In most games other than Bloons TD Battles and Bloons TD Battles 2, each layer of Bloon popped grants the player cash. This amount typically starts at $1 per layer, but starting in Bloons Tower Defense 3 Bloons popped in later rounds may grant less cash than usual.
End-of-round cash
In most games other than Bloons TD Battles and Bloons TD Battles 2, players earn cash at the end of every round. In Bloons Tower Defense and Bloons Tower Defense 2, this amount starts at $100 and decreases by 1 every round; in Bloons Tower Defense 3 and later, it starts at $101 and increases by 1 every round.
Income
In Bloons TD Battles and Bloons TD Battles 2, cash is not normally gained by popping Bloons or at the end of each round. Instead, cash is gained at fixed intervals based on the player's income, which can be modified by using Bloon sends.
Selling
Towers can be sold to return a portion of the total amount of cash spent on them. In Bloons TD 6, the Flash version of Bloons TD Battles, Bloons TD Battles 2, and Bloons Adventure Time TD, selling returns 70% of the total cash spent on a tower, while in all other games, selling returns 80%. Depending on the game, the sellback rate of towers can be increased with certain game mechanics, such as Monkey Knowledge in Bloons Monkey City or Monkey Tycoon in Bloons TD 4.
Cash produced by towers
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Gallery
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