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Remember to spend your money.
~ Round 5 on Bloons TD 1
Building up a bit of a nest egg are we? Think carefully about what to spend it on - Money tends to get a bit tighter the higher you go in this game. Just sayin'.
~ Round 47 on Bloons TD 5
Spend your money wisely. You get less after round 50, and even less after 60.
~ Round 48 in Bloons TD 4

Money icon.png

Money, also known as Cash, is the main currency in the Bloons Tower Defense series and the mini-games of Bloons Monkey City (which have a style similar to BTD5). Players use money to buy towers, upgrades, and other special items. In Bloons TD 4, Bloons TD 5, and Bloons TD 6, the player can buy a Premium Upgrade called Double Cash Mode, which gives the player twice the money for each bloon popped and also starts the player out with twice the regular amount. No extra money is earned during Deflation Mode. Money has a "maximum limit", that amount depending on the type of game it is played on. Bloons TD4 iOS is at about $81,000,000, at that point the money increasing slows down to a crawl of normal. Bloons TD 5 Deluxe is limited to precisely $45,000,000, players cannot earn more, even utilizing abilities. The rest have no known cap.

Starting Cash[]

Throughout all of the Bloons Tower Defense series, the player starts off with $650, regardless of difficulty.

In Bloons Monkey City, however, because as the Bloons continuously get more and more difficult depending on tile difficulty, it has a different system of what amount of cash the player starts off with. At Level 1, the player normally starts off with $350 cash, but gets a bonus $100 for each new level. The equation for how much cash to start is 250 + 100x (when "x" means the level of player). Thus, at the highest level, Level 40, the player starts with up to $4250 (unless influenced by Special Missions, Special Items or Supply Crates). In the mobile version, the starting cash can max to $5250 (excluding other factors).

In Bloons Tower Defense 6, there is a Monkey Knowledge point that increases the player's starting cash by 200.

How to Get[]

There are four ways you can get money:

Type BTD BTD2 BTD3 BTD4 BTD5 BMC BTD6
Red Bloons 1 1 1 1 1 1 1
Blue Bloons 2 2 2 2 2 2 2
Green Bloons 3 3 3 3 3 3 3
Yellow Bloons 4 4 4 4 4 4 4
Pink Bloons N/A N/A N/A 5 5 5 5
Black Bloons 9 9 9 11 11 (6) 11 (6) 11 (6)
White Bloons 9 9 9 11 11 (6) 11 (6) 11 (6)
Purple Bloons N/A N/A N/A N/A N/A N/A 11 (6)
Camo Bloons (BTD4) N/A N/A N/A 11 N/A N/A N/A
Lead Bloons N/A 19 19 23 23 (7) 23 (7) 23 (7)
Zebra Bloons N/A N/A N/A 23 23 (7) 23 (7) 23 (7)
Rainbow Bloons N/A 37 37 47 47 (8) 47 (8) 47 (8)
Ceramic Bloons N/A N/A 73 92 95 95 95
M.O.A.B. N/A N/A 292 302 381 381 381
B.F.B. N/A N/A N/A 1525 1525 1525 1525
Z.O.M.G. N/A N/A N/A N/A 6101 6101 6101
D.D.T. N/A N/A N/A N/A N/A 571 381
B.A.D. N/A N/A N/A N/A N/A N/A 13346
  • After some round the bloons only have one child. As a consequence, they money they give is reduced (except for Ceramics).

Income Multipliers[]

Depending on the round, the total amount of money is reduced to some percentage.

BTD5-BTD6[]

  • 100% in rounds 1-50 (1-30 in BTD5 Mastery)
  • 50% in rounds 51-60 (31-60 in BTD5 Mastery)
  • 20% in rounds 61-85
  • 10% in rounds 86-100
  • 2% in rounds 101+

BATTD[]

  • 100% in rounds 1-39
  • 50% in rounds 40-49
  • 20% in rounds 50-64
  • 10% in rounds 65-75

NOTE: This is not true for the Martian Games

Bloons Monkey City[]

There is a sliding cash factor in BMC which means as the difficulty gets higher, the cash penalties will happen sooner.

The formula used for how many rounds sooner/later the penalties happen is determined by: round(6 - difficulty * 0.15)

Normal Mode[]

  • 110% for rounds before 11
  • 100% for rounds before 15
  • 65% for rounds before 22
  • 20% for rounds before 27
  • 5% for rounds 27+

Hardcore Mode[]

  • 100% for rounds before 15
  • 50% for rounds before 22
  • 20% for rounds before 27
  • 5% for rounds 27+

Bloon Beacon[]

  • 220% for rounds before 5
  • 200% for rounds before 7
  • 150% for rounds before 11
  • 60% for rounds before 13
  • 20% for rounds 13+

Income in Rounds[]

Standard Rounds
Round Money awarded
Max. for
popping
bloons
Total Cumulative
1 20 121 121
2 35 137 258
3 35 138 396
4 71 175 571
5 59 164 735
6 57 163 898
7 75 182 1080
8 92 200 1280
9 90 199 1479
10 204 314 1793
11 78 189 1982
12 80 192 2174
13 169 282 2456
14 145 259 2715
15 151 266 2981
16 152 268 3249
17 48 165 3414
18 240 358 3772
19 141 260 4032
20 66 186 4218
21 230 351 4569
22 176 298 4867
23 154 277 5144
24 43 167 5311
25 210 335 5646
26 207 333 5979
27 535 662 6641
28 138 266 6907
29 260 389 7296
30 207 337 7633
31 406 537 8170
32 545 627 8797
33 72 205 9002
34 778 912 9914
35 1015 1150 11064
36 760 896 11960
37 1202 1339 13299
38 1139 1277 14576
39 1620 1759 16335
40 381 521 16856
41 2040 2181 19037
42 517 659 19696
43 1135 1278 20974
44 1150 1294 22268
45 2289 2422 24690
46 570 716 25406
47 1490 1637 27043
48 2695 2843 29886
49 4609 4758 34644
50 2866 3016 37660
51 947 1098 38758
52 1444 1596 40354
53 771 924 41278
54 2044 2198 43476
55 2328 2483 45959
56 1130 1286 47245
57 1702 1859 49104
58 2140 2298 51402
59 2000 2159 53561
60 763 923 54484
61 1071 1232 55716
62 1225 1387 57102
63 2663 2826 59928
64 686 850 60778
65 2906 3071 63849
66 838 1004 64854
67 856 1024 65877
68 609 778 66655
69 1222 1391 68046
70 2449 2619 70665
71 1332 1503 72168
72 1332 1504 73672
73 1220 1392 75064
74 2870 3044 78108
75 2493 2668 80776
76 1140 1316 82092
77 2363 2540 84632
78 4684 4862 89494
79 6530 6709 96203
80 1220 1400 97603
81 5185 5366 102969
82 4575 4757 107726
83 4566 4749 112475
84 6860 7044 119519
85 2441 2626 122145
86 762 948 123093
87 2440 2627 125720
88 3126 3314 129034
89 1982 2171 131205
90 149 339 131545
91 4000 4191 135736
92 4345 4537 140273
93 1754 1947 142220
94 7473 7667 149887
95 3523 3718 153605
96 9759 9955 163560
97 1221 1418 164978
98 9455 9653 174631
99 2629 2828 177459
100 1335 1535 178994
101 225 426 179420
102 899 1101 180521
103 2386 2589 183110
104 2764 2968 186078
105 1678 1883 187961
106 708 914 188875
107 1463 1670 190545
108 2074 2282 192827
109 2975 3184 196011
110 991 1201 197212
111 3172 3383 200595
112 747 959 201554
113 845 1058 202612
114 2157 2371 204983
115 2157 2372 207355
116 1573 1789 209144
117 377 594 209738
118 1448 1666 211404
119 533 752 212156
120 1342 1562 213718
121-162 Random Random Random
163 Random Random
164-199 Random Random
200 533 833
201-262 Random Random
263 Random Random
264-9,999 Random Random
10,000 9290000 36792
10,001 18998 29099
10,002 762 10864
10,003 3050 13153
10,004 12202 22306
10,005 762 10867
10,006+ 26692 Depends
Alternate Bloons Rounds

Trivia[]

  • In BTD5, players earn a total of $124,458 between rounds 1-85 without anything to increase their income.
  • In BTD6 C.H.I.M.P.S. mode, players earn a total of $179,183 between rounds 6-100. Therefore, it is impossible to purchase either True Sun God and Legend of the Night due to their total upgrade costs exceeding the money available. Super Mines can be barely purchased although Spiked Balls cannot survive late game thus it is still impossible.
  • According to Ninja Kiwi's August 20th 2021 blog, monkeys canonically can control the money in such a way that avoids inflation caused by the overproduction of money, thanks to managing deflation effectively.
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