Alternate Bloons Rounds

Alternate Bloons Rounds (often abbreviated as ABR) is a game mode in Bloons TD 6. In standard play, it is played on Hard difficulty. This mode redesigns the first 140 rounds to be much more difficult, generally by introducing strong Bloon types earlier and having more rounds with Bloon Mods such as Camo Bloons. After round 140, the game changes to freeplay round generation with no alterations. Since the mode is normally played on Hard difficulty, rounds 1 and 2 are skipped by default and the player wins after completing round 80; rounds 81-140 are optional and rounds 1 and 2 can only be seen in other modes such as the Challenge Editor.

Rounds 101-140 do not exist in the console version due to it being based on an older version.

List of rounds

№	Bloon groups	Dur.	Base RBE	Base cash
1	Blue×10	23.00s	20 (20)	$20 + $101 ($20 + $101)
2	Red×35 Red×20	25.00s	55 (75)	$55 + $102 ($75 + $203)
3	Blue×6 Regrow Blue×5 Red×15	16.71s	37 (112)	$37 + $103 ($112 + $306)
4	Blue×15 Blue×18 Red×10	17.31s	76 (188)	$76 + $104 ($188 + $410)
5	Camo Red×12 Green×3 Regrow Blue×15 Camo Regrow Red×1	20.54s	52 (240)	$52 + $105 ($240 + $515)
6	Green×8 Blue×10 Regrow Green×5	18.70s	59 (299)	$59 + $106 ($299 + $621)
7	Black×2 Green×6 Camo Blue×15 Regrow Blue×10	26.80s	90 (389)	$90 + $107 ($389 + $728)
8	Yellow×10 Regrow Green×3 Green×12	28.00s	85 (474)	$85 + $108 ($474 + $836)
9	Regrow Green×30	18.95s	90 (564)	$90 + $109 ($564 + $945)
10	Green×40 Lead×2 Blue×22	44.16s	210 (774)	$210 + $110 ($774 + $1,055)
11	Camo Green×3 Green×20 Blue×10 Regrow Blue×10	19.16s	109 (883)	$109 + $111 ($883 + $1,166)
12	Regrow Green×6 Blue×20 Pink×3	17.39s	73 (956)	$73 + $112 ($956 + $1,278)
13	Blue×50 Yellow×18	32.21s	172 (1,128)	$172 + $113 ($1,128 + $1,391)
14	Red×18 Black×1 White×1 Regrow Yellow×4 Red×31 Regrow Blue×10 Camo Regrow Green×5 Black×2	26.63s	144 (1,272)	$144 + $114 ($1,272 + $1,505)
15	Blue×20 Green×15 Yellow×12 Pink×10 Purple×3	25.00s	216 (1,488)	$216 + $115 ($1,488 + $1,620)
16	Regrow Green×20 Camo Green×20 Green×15	16.02s	165 (1,653)	$165 + $116 ($1,653 + $1,736)
17	Pink×12	5.00s	60 (1,713)	$60 + $117 ($1,713 + $1,853)
18	Yellow×60 Green×30	26.82s	330 (2,043)	$330 + $118 ($2,043 + $1,971)
19	Blue×10 Regrow Green×5 Pink×15 Black×2	15.76s	132 (2,175)	$132 + $119 ($2,175 + $2,090)
20	Regrow Black×6	5.25s	66 (2,241)	$66 + $120 ($2,241 + $2,210)
21	Red×40 Red×10 Blue×4	18.12s	58 (2,299)	$58 + $121 ($2,299 + $2,331)
22	Purple×16	8.00s	176 (2,475)	$176 + $122 ($2,475 + $2,453)
23	Black×7 White×6 Lead×4	9.00s	235 (2,710)	$235 + $123 ($2,710 + $2,576)
24	Camo Lead×1	1.00s	23 (2,733)	$23 + $124 ($2,733 + $2,700)
25	Regrow Pink×22 Regrow Purple×10	21.14s	220 (2,953)	$220 + $125 ($2,953 + $2,825)
26	Black×15 Zebra×3 Rainbow×2	18.20s	328 (3,281)	$328 + $126 ($3,281 + $2,951)
27	Camo Red×100 Camo Blue×60 Camo Green×45 Camo Yellow×45	34.26s	535 (3,816)	$535 + $127 ($3,816 + $3,078)
28	Regrow Lead×6	5.00s	138 (3,954)	$138 + $128 ($3,954 + $3,206)
29	Regrow Pink×50 White×8	15.25s	338 (4,292)	$338 + $129 ($4,292 + $3,335)
30	Camo Lead×9	13.07s	207 (4,499)	$207 + $130 ($4,499 + $3,465)
31	Regrow Black×8 Camo White×8 Zebra×10 Regrow Zebra×3	14.71s	475 (4,974)	$475 + $131 ($4,974 + $3,596)
32	Rainbow×5 Ceramic×3 Purple×10	26.00s	657 (5,631)	$630 + $132 ($5,604 + $3,728)
33	Camo Red×20 Camo Blue×13	25.34s	46 (5,677)	$46 + $133 ($5,650 + $3,861)
34	Green×200 Rainbow×6	36.00s	882 (6,559)	$882 + $134 ($6,532 + $3,995)
35	Regrow White×25 Ceramic×3 Purple×25 Camo Black×30	33.76s	1,192 (7,751)	$1,165 + $135 ($7,697 + $4,130)
36	Camo Regrow Yellow×40 Black×5 Camo Regrow Yellow×40 Black×5 Ceramic×2	18.99s	638 (8,389)	$620 + $136 ($8,317 + $4,266)
37	Regrow White×25 White×25 Lead×18 Zebra×10 Regrow Black×7	43.51s	1,271 (9,660)	$1,271 + $137 ($9,588 + $4,403)
38	Black×17 Purple×42 Lead×14 Rainbow×7 Regrow Ceramic×1	29.06s	1,404 (11,064)	$1,395 + $138 ($10,983 + $4,541)
39	Camo Regrow White×10 Zebra×5 Zebra×15 Rainbow×15 Camo Rainbow×2	37.93s	1,369 (12,433)	$1,369 + $139 ($12,352 + $4,680)
40	Fortified MOAB×1	1.00s	856 (13,289)	$381 + $140 ($12,733 + $4,820)
41	Black×60 Zebra×70	32.00s	2,270 (15,559)	$2,270 + $141 ($15,003 + $4,961)
42	Camo Regrow Rainbow×6 Camo Regrow Rainbow×5	10.60s	517 (16,076)	$517 + $142 ($15,520 + $5,103)
43	Rainbow×10 MOAB×2	9.26s	1,702 (17,778)	$1,232 + $143 ($16,752 + $5,246)
44	Zebra×10 Fortified Lead×10 Zebra×10 Zebra×10 Zebra×10	23.67s	1,180 (18,958)	$1,150 + $144 ($17,902 + $5,390)
45	Ceramic×10 Camo Purple×10 Pink×120 Fortified Lead×4	38.08s	1,854 (20,812)	$1,752 + $145 ($19,654 + $5,535)
46	Fortified Ceramic×8	7.00s	912 (21,724)	$760 + $146 ($20,414 + $5,681)
47	MOAB×3 Camo Regrow Pink×70	24.65s	2,198 (23,922)	$1,493 + $147 ($21,907 + $5,828)
48	Fortified Regrow Lead×15 Camo Regrow Purple×30 Regrow Black×80 Fortified Ceramic×3	52.00s	1,942 (25,864)	$1,840 + $148 ($23,747 + $5,976)
49	Regrow Yellow×300 Camo Rainbow×10 Regrow Ceramic×14 Camo Zebra×10 Regrow Rainbow×10	50.00s	3,826 (29,690)	$3,700 + $149 ($27,447 + $6,125)
50	Fortified MOAB×2 Fortified Regrow Lead×8 MOAB×4	18.00s	4,384 (34,074)	$2,470 + $150 ($29,917 + $6,275)
51	Fortified Camo Ceramic×28 Zebra×10	21.13s	3,422 (37,496)	$1,445 + $151 ($31,362 + $6,426)
52	Rainbow×35 Fortified MOAB×1 Fortified Ceramic×5 MOAB×1 Regrow Ceramic×5	20.56s	4,207 (41,703)	$1,678.5 + $152 ($33,040.5 + $6,578)
53	Camo Pink×120 Fortified MOAB×1 Fortified MOAB×1 Fortified MOAB×1	35.00s	3,168 (44,871)	$871.5 + $153 ($33,912 + $6,731)
54	Regrow Black×35 MOAB×1 BFB×1	19.41s	4,165 (49,036)	$1,145.5 + $154 ($35,057.5 + $6,885)
55	Ceramic×10 Camo Ceramic×10 Ceramic×10 Camo Ceramic×15 Fortified MOAB×1	29.78s	5,536 (54,572)	$2,328 + $155 ($37,385.5 + $7,040)
56	Camo Regrow Purple×40 MOAB×5	20.18s	3,520 (58,092)	$1,172.5 + $156 ($38,558 + $7,196)
57	Fortified MOAB×2 Ceramic×25 BFB×1	26.23s	7,476 (65,568)	$2,331 + $157 ($40,889 + $7,353)
58	MOAB×10 Ceramic×15 Fortified Regrow Ceramic×10	43.98s	8,860 (74,428)	$3,092.5 + $158 ($43,981.5 + $7,511)
59	Fortified Camo Ceramic×20 Camo Regrow Lead×50 Rainbow×25	26.16s	4,605 (79,033)	$2,112.5 + $159 ($46,094 + $7,670)
60	Fortified BFB×1	1.00s	4,824 (83,857)	$762.5 + $160 ($46,856.5 + $7,830)
61	Regrow Zebra×50 MOAB×15 Fortified Lead×15	24.37s	10,780 (94,637)	$1,442 + $161 ($48,298.5 + $7,991)
62	Purple×250 Fortified MOAB×5 BFB×2 Fortified Camo Regrow Lead×15	48.29s	13,748 (108,385)	$1,610 + $162 ($49,908.5 + $8,153)
63	Fortified Ceramic×30 Ceramic×40 Camo Ceramic×40 MOAB×5	42.25s	14,820 (123,205)	$2,471 + $163 ($52,379.5 + $8,316)
64	Fortified MOAB×6 BFB×2	9.53s	11,464 (134,669)	$1,067.2 + $164 ($53,446.7 + $8,480)
65	BFB×3 Rainbow×70 Fortified Ceramic×50 Fortified MOAB×3	40.66s	21,050 (155,719)	$2,751.6 + $165 ($56,198.3 + $8,645)
66	BFB×1 MOAB×2 MOAB×4 BFB×2	23.75s	13,188 (168,907)	$1,372.2 + $166 ($57,570.5 + $8,811)
67	Fortified MOAB×4 Fortified Camo Regrow Ceramic×20 MOAB×6	26.44s	9,400 (178,307)	$1,142 + $167 ($58,712.5 + $8,978)
68	MOAB×4 Fortified BFB×1	8.44s	7,288 (185,595)	$609.8 + $168 ($59,322.3 + $9,146)
69	Camo Regrow Purple×40 Camo Regrow Black×40 Camo Ceramic×50	42.13s	6,080 (191,675)	$1,126 + $169 ($60,448.3 + $9,315)
70	Rainbow×200 Fortified MOAB×6	30.00s	14,536 (206,211)	$2,337.2 + $170 ($62,785.5 + $9,485)
71	Fortified Regrow Ceramic×30 Fortified MOAB×10	16.55s	11,980 (218,191)	$1,332 + $171 ($64,117.5 + $9,656)
72	Fortified Ceramic×38 BFB×1 Fortified BFB×1	21.70s	12,320 (230,511)	$1,332 + $172 ($65,449.5 + $9,828)
73	Fortified MOAB×7 Fortified BFB×2 Fortified MOAB×1	26.95s	16,496 (247,007)	$1,219.6 + $173 ($66,669.1 + $10,001)
74	Regrow Black×100 Fortified Camo Regrow Ceramic×25 Fortified BFB×1	31.44s	8,774 (255,781)	$1,000 + $174 ($67,669.1 + $10,175)
75	BFB×1 Lead×50 BFB×5 Fortified Lead×14 Fortified MOAB×4 Fortified BFB×2	22.59s	33,570 (289,351)	$3,039.2 + $175 ($70,708.3 + $10,350)
76	BFB×10	10.00s	31,640 (320,991)	$3,050 + $176 ($73,758.3 + $10,526)
77	Fortified MOAB×11 Fortified BFB×5	58.92s	33,536 (354,527)	$2,363.2 + $177 ($76,121.5 + $10,703)
78	Zebra×150 Fortified Ceramic×60 Fortified BFB×1 Purple×80 Camo Ceramic×72	79.40s	23,482 (378,009)	$3,679 + $178 ($79,800.5 + $10,881)
79	Camo Rainbow×500 Fortified BFB×4 ZOMG×1	60.00s	59,452 (437,461)	$7,140.2 + $179 ($86,940.7 + $11,060)
80	ZOMG×2	20.00s	33,312 (470,773)	$2,440.4 + $180 ($89,381.1 + $11,240)
81	BFB×15 Fortified MOAB×20	26.47s	57,670 (528,443)	$6,099 + $181 ($95,480.1 + $11,421)
82	BFB×15 Fortified BFB×8 ZOMG×1	37.55s	95,816 (624,259)	$8,235.2 + $182 ($103,715.3 + $11,603)
83	Camo Ceramic×40 Regrow Ceramic×40 Fortified Camo Regrow Ceramic×40 Fortified MOAB×20	60.20s	29,280 (653,539)	$3,804 + $183 ($107,519.3 + $11,786)
84	MOAB×50 Fortified BFB×15	35.00s	103,720 (757,259)	$8,385 + $184 ($115,904.3 + $11,970)
85	ZOMG×3	10.00s	46,056 (803,315)	$3,660.6 + $185 ($119,564.9 + $12,155)
86	Fortified BFB×8	20.85s	43,264 (846,579)	$1,220 + $186 ($120,784.9 + $12,341)
87	ZOMG×5	10.00s	78,760 (925,339)	$3,050.5 + $187 ($123,835.4 + $12,528)
88	BFB×12 Fortified MOAB×15 DDT×3	13.05s	50,784 (976,123)	$2,515.8 + $188 ($126,351.2 + $12,716)
89	Fortified MOAB×15 Fortified BFB×12	18.15s	81,816 (1,057,939)	$2,401.5 + $189 ($128,752.7 + $12,905)
90	Fortified Regrow Ceramic×50 DDT×4	11.90s	9,408 (1,067,347)	$627.4 + $190 ($129,380.1 + $13,095)
91	Fortified Ceramic×100 Fortified BFB×15	30.00s	98,420 (1,165,767)	$3,237.5 + $191 ($132,617.6 + $13,286)
92	Fortified MOAB×50 ZOMG×4 DDT×4	35.00s	120,480 (1,286,247)	$4,497.8 + $192 ($137,115.4 + $13,478)
93	Fortified BFB×17 Fortified DDT×7	20.00s	109,716 (1,395,963)	$2,859.2 + $193 ($139,974.6 + $13,671)
94	BFB×25 ZOMG×8	15.00s	212,416 (1,608,379)	$8,693.3 + $194 ($148,667.9 + $13,865)
95	Camo Regrow Purple×500 DDT×30 Fortified MOAB×30	40.81s	57,720 (1,666,099)	$2,586 + $195 ($151,253.9 + $14,060)
96	Fortified BFB×10 Fortified MOAB×20 ZOMG×5 DDT×10 Fortified BFB×10 ZOMG×6	32.12s	342,032 (2,008,131)	$10,904.1 + $196 ($162,158 + $14,256)
97	Fortified ZOMG×2 Fortified DDT×8	4.23s	82,656 (2,090,787)	$1,525 + $197 ($163,683 + $14,453)
98	Fortified BFB×20 ZOMG×11	20.00s	320,032 (2,410,819)	$9,761.1 + $198 ($173,444.1 + $14,651)
99	MOAB×30 Fortified DDT×9 BAD×1	19.28s	97,360 (2,508,179)	$2,820.5 + $199 ($176,264.6 + $14,850)
100	Fortified BAD×1	0.10s	133,280 (2,641,459)	$1,334.6 + $200 ($177,599.2 + $15,050)
101	Camo Purple×125 Fortified Lead×125 Fortified BFB×10 Fortified Ceramic×50 Camo Purple×100 Fortified Lead×100	9.50s	73,980 (2,715,439)	$1,146.25 + $201 ($178,745.45 + $15,251)
102	ZOMG×1 ZOMG×1 DDT×18 ZOMG×3 ZOMG×2 DDT×12 ZOMG×3	46.50s	219,680 (2,935,119)	$3,622 + $202 ($182,367.45 + $15,453)
103	Fortified ZOMG×10 MOAB×100 Fortified DDT×6 Fortified MOAB×50 Fortified DDT×6 Fortified DDT×6	19.00s	538,256 (3,473,375)	$6,250.9 + $203 ($188,618.35 + $15,656)
104	MOAB×75 BFB×20 Fortified Lead×50 BFB×16 Purple×50 BFB×14 Ceramic×50 Fortified BFB×10 Fortified Lead×50 Fortified BFB×8 Purple×50 Fortified BFB×10 Ceramic×50 Fortified MOAB×25	22.00s	447,744 (3,921,119)	$8,392.5 + $204 ($197,010.85 + $15,860)
105	Ceramic×100 Fortified Lead×25 Fortified BFB×22 Fortified Ceramic×300	9.00s	199,406 (4,120,525)	$3,586.25 + $205 ($200,597.1 + $16,065)
106	DDT×21 BAD×1 DDT×18 DDT×15 DDT×12 DDT×9 DDT×6 Fortified DDT×12	33.50s	179,136 (4,299,661)	$2,438.95 + $206 ($203,036.05 + $16,271)
107	Fortified DDT×25 Camo Purple×111 Fortified ZOMG×10	10.00s	480,386 (4,780,047)	$3,560.05 + $207 ($206,596.1 + $16,478)
108	ZOMG×13 Fortified ZOMG×12	24.00s	820,880 (5,600,927)	$7,626.25 + $208 ($214,222.35 + $16,686)
109	ZOMG×15 Purple×15 Fortified BFB×15 DDT×15 ZOMG×15 Fortified MOAB×15	18.00s	833,580 (6,434,507)	$10,871.25 + $209 ($225,093.6 + $16,895)
110	BFB×40 Fortified DDT×12 Fortified DDT×12 Fortified DDT×9 Fortified DDT×9	36.00s	242,864 (6,677,371)	$3,850.1 + $210 ($228,943.7 + $17,105)
111	ZOMG×21 Fortified ZOMG×9 DDT×33	18.50s	960,336 (7,637,707)	$9,780.15 + $211 ($238,723.85 + $17,316)
112	Fortified BFB×12 Fortified DDT×21 BAD×1	20.00s	232,848 (7,870,555)	$1,982.35 + $212 ($240,706.2 + $17,528)
113	Fortified MOAB×50 Fortified BFB×20 Camo Ceramic×42 Fortified Ceramic×42	21.50s	238,792 (8,109,347)	$2,876.5 + $213 ($243,582.7 + $17,741)
114	Fortified DDT×9 Fortified MOAB×36 Fortified DDT×6 Fortified MOAB×24 Fortified BFB×12 Fortified BFB×8 Fortified ZOMG×5 Fortified ZOMG×3	30.00s	682,496 (8,791,843)	$5,394.15 + $214 ($248,976.85 + $17,955)
115	DDT×18 ZOMG×6 DDT×12 BFB×12 ZOMG×10 BFB×18 MOAB×36 MOAB×54	30.00s	640,162 (9,432,005)	$9,454.3 + $215 ($258,431.15 + $18,170)
116	ZOMG×16 BFB×18 Camo Purple×100 Camo Purple×100 Camo Purple×200	15.00s	503,016 (9,935,021)	$6,373.3 + $216 ($264,804.45 + $18,386)
117	Fortified Camo Ceramic×250 DDT×27 Fortified DDT×18	14.00s	105,260 (10,040,281)	$2,044.75 + $217 ($266,849.2 + $18,603)
118	Fortified ZOMG×12 MOAB×30 BAD×1	21.00s	776,544 (10,816,825)	$4,899.4 + $218 ($271,748.6 + $18,821)
119	Fortified ZOMG×12 Fortified BFB×12 Fortified MOAB×24	51.00s	806,328 (11,623,153)	$5,032.8 + $219 ($276,781.4 + $19,040)
120	BAD×2 Fortified BAD×1	26.00s	432,480 (12,055,633)	$2,001.9 + $220 ($278,783.3 + $19,260)
121	BFB×21 MOAB×42 ZOMG×9	15.00s	391,695 (12,447,328)	$4,117.44 + $221 ($282,900.74 + $19,481)
122	BFB×60 MOAB×100 Fortified Camo Lead×75 Fortified Camo Lead×75 Fortified Camo Lead×75	20.00s	369,730 (12,817,058)	$5,247 + $222 ($288,147.74 + $19,703)
123	Fortified DDT×100 Fortified MOAB×200	40.00s	561,600 (13,378,658)	$4,572 + $223 ($292,719.74 + $19,926)
124	ZOMG×22	30.00s	667,744 (14,046,402)	$5,368.88 + $224 ($298,088.62 + $20,150)
125	Fortified DDT×18 Fortified DDT×15 Fortified BFB×16 Fortified BFB×14 Fortified DDT×12 Fortified BFB×12 Fortified MOAB×21 Fortified DDT×9 Fortified BFB×10 Fortified MOAB×18 Fortified DDT×6 Fortified BFB×8 Fortified MOAB×15 Fortified DDT×3 Fortified BFB×6 Fortified MOAB×12 Fortified MOAB×9 Fortified MOAB×6	40.00s	981,096 (15,027,498)	$6,220.56 + $225 ($304,309.18 + $20,375)
126	Fortified Camo Regrow Ceramic×1 DDT×99 Fortified Camo Regrow Ceramic×1 DDT×66 Fortified Camo Regrow Ceramic×1 DDT×33	27.00s	283,920 (15,311,418)	$3,028.92 + $226 ($307,338.1 + $20,601)
127	MOAB×48 Fortified BFB×18	14.00s	243,900 (15,555,318)	$1,829.52 + $227 ($309,167.62 + $20,828)
128	ZOMG×9 Camo Rainbow×200 BFB×30	28.00s	505,408 (16,060,726)	$4,090.36 + $228 ($313,257.98 + $21,056)
129	Fortified ZOMG×7 DDT×9 DDT×9 Fortified DDT×9 ZOMG×7 DDT×30	28.00s	897,412 (16,958,138)	$4,285.24 + $229 ($317,543.22 + $21,285)
130	MOAB×12 Fortified DDT×21 Fortified MOAB×9 MOAB×12 Fortified MOAB×9 MOAB×12 DDT×9 Fortified MOAB×36 Fortified DDT×3 DDT×6 Fortified DDT×3 DDT×6 BFB×24	40.00s	414,888 (17,373,026)	$3,567.12 + $230 ($321,110.34 + $21,515)
131	BAD×3	21.00s	479,700 (17,852,726)	$1,601.52 + $231 ($322,711.86 + $21,746)
132	ZOMG×5 ZOMG×4 Fortified ZOMG×3 DDT×27 ZOMG×5 ZOMG×4 Fortified ZOMG×3 DDT×27	38.00s	1,364,256 (19,216,982)	$6,679.92 + $232 ($329,391.78 + $21,978)
133	Fortified MOAB×6 Fortified BFB×6 Fortified ZOMG×2 Fortified MOAB×18 Fortified MOAB×6 Fortified BFB×6 Fortified ZOMG×2 MOAB×9 BFB×9 ZOMG×3 MOAB×9 BFB×9 ZOMG×3 MOAB×9 BFB×9 ZOMG×3	37.00s	1,190,997 (20,407,979)	$6,420.2 + $233 ($335,811.98 + $22,211)
134	Fortified BFB×12 BFB×10 Fortified BFB×8 BFB×6 Fortified BFB×4 BFB×3 Fortified BFB×2 BFB×1	24.01s	517,808 (20,925,787)	$2,806 + $234 ($338,617.98 + $22,445)
135	Fortified ZOMG×9 Fortified ZOMG×9 Fortified DDT×9 Fortified DDT×9 Fortified DDT×9	24.40s	1,783,080 (22,708,867)	$4,804.2 + $235 ($343,422.18 + $22,680)
136	MOAB×96 Fortified BFB×24	45.00s	476,544 (23,185,411)	$2,927.04 + $236 ($346,349.22 + $22,916)
137	Fortified ZOMG×9 BAD×1 Fortified BFB×12 Fortified MOAB×24	8.10s	1,334,052 (24,519,463)	$3,827.96 + $237 ($350,177.18 + $23,153)
138	Fortified DDT×33 BAD×1 Fortified DDT×27 Fortified DDT×21 Fortified DDT×18 Fortified DDT×18 Fortified DDT×21	40.00s	792,696 (25,312,159)	$2,636.96 + $238 ($352,814.14 + $23,391)
139	BFB×109 BFB×18 Fortified BFB×18 BFB×18 Fortified BFB×18 BFB×18 Fortified BFB×18 BFB×18 Fortified BFB×18	45.00s	2,708,759 (28,020,918)	$15,433 + $239 ($368,247.14 + $23,630)
140	Fortified BAD×1 BAD×1 Fortified BAD×2 Fortified BAD×1	46.20s	1,935,200 (29,956,118)	$2,669.2 + $240 ($370,916.34 + $23,870)

Game hints

End of round	Hint
3	Alternate Bloon rounds...
4	You know 'alternate' just means harder right?
5	Did you panic when you saw the Camo?
7	Still on max lives?
8	Hmm, wonder when the first Lead will appear?
21	That's what we call a 'cash starve' round...
39	Next round, MOAB as usual. Or is it?
59	BFB next round. Or should that be FBFB?
77	Next round is a real stinker...
79	ZOMG that was tough...
99	It wasn't that BAD was it?
100	Congratulations on beating round 100! Enjoy your reward!

Strategy

For more in-depth strategies, see Strategy:Alternate Bloons Rounds.

Alternate Bloons Rounds has greatly increased difficulty compared to Hard Standard. More challenging Bloon types with extra immunities, such as Camos, Leads, Purples, all appear earlier. In addition, many rounds are greatly increased in difficulty, such as Round 40 having a Fortified MOAB. Therefore, defenses should be well-equipped for all Bloon types and be able to defend more than in Hard Standard. Some progression in obtaining Monkey Knowledge is recommended before attempting Alternate Bloons Rounds.

Update history

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Version 44.0

• Now has pre-defined rounds for rounds 101-140, like the normal round set

Related achievements

25	Indie Win 25 games with Alternate Bloon Rounds Reward(s):  100,  ×3

	So Spiiicey Ninja Kiwi Beat Spice Islands on Alternate Bloon Rounds with only land towers Reward(s):  150,  ×2

Trivia

• The Camo Regrow Red on round 5 is a reference to a community meme where it was jokingly dubbed the strongest Bloon in the franchise.