Alternate Bloons Rounds

“	You know 'alternate' just means harder right?	”
	~ Round 5 Pre-Round Comment

Icon for Alternate Bloon Rounds

Alternate Bloons Rounds (also shortened as ABR) is a mode in Bloons TD 6. Players start on Round 3 and must beat Round 80, like Hard Mode. However, all rounds up to 140 are modified, stronger types of Bloons appear earlier, making it more challenging. For example, Camo Bloons appear on Round 5 as opposed to Round 24 and introductory MOAB-Class Bloons come fortified. Certain rounds may feature predominantly Fortified bloons or have intentionally low RBE to increase the overall difficulty. The antonym of Alternate Bloons Rounds is unofficially standard Bloons rounds.

Additionally, the game hints are replaced with sarcastic and mostly unhelpful comments, making it yet more difficult for players completing it for the first time.

Many of the rounds in Alternate Bloons Rounds feature waves of bloons that are substantially different to their corresponding non-ABR rounds. Most of the earlier rounds are very different, while later rounds typically modify their pre-existing round format. An example of this is ABR Round 63 using dense waves of Ceramics, Camo Ceramics, and MOABs, instead of just Ceramics in the standard Round 63.

Rounds

Unless stated, assume that rounds have no income reductions per pop, and there are no health ramping or speed ramping for MOAB-class bloons. Bear in mind that Rounds 81+ modify normal Ceramics into Super Ceramics, which have 60 health (or 120 with Fortified) and release only one offspring per bloon below Ceramic.

First instances of types of bloons are in bold.

Round	Spawns	RBE	Income
			From Bloons	Total	Cumulative
1	10 Blues*	0	$0	$751	$751
2	55 Reds*	0	$0	$102	$853
3	15 Reds, 6 Blues, 5 Regrow Blues	37	$37	$140	$993
4	10 Reds, 33 Blues	76	$76	$180	$1173
5	12 Camo Reds, Camo Regrow Red, 15 Regrow Blues, 3 Greens	52	$52	$157	$1330
6	10 Blues, 8 Greens, 5 Regrow Greens	59	$59	$165	$1495
7	15 Camo Blues, 10 Regrow Blues, 6 Greens, 2 Blacks	90	$90	$197	$1692
8	10 Yellows, 12 Greens, 3 Regrow Greens	85	$85	$193	$1885
9	30 Regrow Greens	90	$90	$199	$2084
10	22 Blues, 40 Greens, 2 Leads	210	$210	$320	$2404
11	10 Blues, 10 Regrow Blues, 20 Greens, 3 Camo Greens	109	$109	$220	$2624
12	20 Blues, 6 Regrow Greens, 3 Pinks	73	$73	$185	$2809
13	50 Blues, 18 Yellows	172	$172	$285	$3094
14	49 Reds, 10 Regrow Blues, 5 Camo Regrow Greens, 4 Regrow Yellows, 3 Blacks, White	144	$144	$258	$3352
15	20 Blues, 15 Greens, 12 Yellows, 10 Pinks, 3 Purples	216	$216	$331	$3683
16	15 Greens, 20 Camo Greens, 20 Regrow Greens	165	$165	$281	$3964
17	12 Pinks	60	$60	$177	$4141
18	30 Greens, 60 Yellows	330	$330	$448	$4589
19	10 Blues, 5 Regrow Greens, 15 Pinks, 2 Blacks	132	$132	$251	$4840
20	6 Regrow Blacks	66	$66	$186	$5026
21	50 Reds, 4 Blues	58	$58	$179	$5205
22	16 Purples	176	$176	$298	$5503
23	7 Blacks, 6 Whites, 4 Leads	235	$235	$358	$5861
24	Camo Lead	23	$23	$147	$6008
25	22 Regrow Pinks, 10 Regrow Purples	220	$220	$345	$6353
26	15 Blacks, 3 Zebras, 2 Rainbows	328	$328	$454	$6807
27	100 Camo Reds, 60 Camo Blues, 45 Camo Greens, 45 Camo Yellows	535	$535	$662	$7469
28	6 Regrow Leads	138	$138	$266	$7735
29	50 Regrow Pinks, 8 Whites	338	$338	$467	$8202
30	9 Camo Leads	207	$207	$337	$8539
31	8 Regrow Blacks, 8 Camo Whites, 10 Zebras, 3 Regrow Zebras	475	$475	$606	$9145
32	10 Purples, 5 Rainbows, 3 Ceramics	657	$630	$762	$9907
33	20 Camo Reds, 13 Camo Blues	46	$46	$179	$10086
34	200 Greens, 6 Rainbows	882	$882	$1016	$11102
35	25 Regrow Whites, 3 Ceramics, 25 Purples, 30 Camo Blacks	1192	$1165	$1300	$12402
36	80 Camo Regrow Yellows, 10 Blacks, 2 Ceramics	638	$620	$756	$13158
37	7 Regrow Blacks, 25 Whites, 25 Regrow Whites, 18 Leads, 10 Zebras	1271	$1271	$1408	$14566
38	42 Purples, 17 Blacks, 14 Leads, 7 Rainbows, Regrow Ceramic	1404	$1395	$1533	$16099
39	10 Camo Regrow Whites, 20 Zebras, 15 Rainbows, 2 Camo Rainbows	1369	$1369	$1508	$17607
40	Fortified MOAB	856	$381	$521	$18128
41	60 Blacks, 70 Zebras	2270	$2270	$2411	$20539
42	11 Camo Regrow Rainbows	517	$517	$659	$21198
43	10 Rainbows, 2 MOABs	1702	$1232	$1375	$22573
44	10 Fortified Leads, 40 Zebras	1180	$1150	$1294	$23867
45	120 Pinks, 10 Camo Purples, 4 Fortified Leads, 10 Ceramics	1854	$1752	$1897	$25764
46	8 Fortified Ceramics	912	$760	$906	$26670
47	70 Camo Regrow Pinks, 3 MOABs	2198	$1493	$1640	$28310
48	30 Camo Regrow Purples, 80 Regrow Blacks, 15 Regrow Fortified Leads, 3 Fortified Ceramics	1942	$1840	$1988	$30298
49	300 Regrow Yellows, 10 Camo Zebras, 10 Camo Rainbows, 10 Regrow Rainbows, 14 Regrow Ceramics	3826	$3700	$3849	$34147
50	8 Regrow Fortified Leads, 4 MOABs, 2 Fortified MOABs	4384	$2470	$2620	$36767
51	10 Zebras, 28 Camo Fortified Ceramics	3422	$1445	$1520	$38287
52	35 Rainbows, 5 Regrow Ceramics, 5 Fortified Ceramics, MOAB, Fortified MOAB	4207	$1678	$1754	$40042
53	120 Camo Pinks, 3 Fortified MOABs	3168	$871	$948	$40990
54	35 Regrow Blacks, MOAB, BFB	4165	$1145	$1222	$42212
55	20 Ceramics, 25 Camo Ceramics, Fortified MOAB	5536	$2328	$2405	$44618
56	40 Camo Regrow Purples, 5 MOABs	3520	$1172	$1250	$45868
57	25 Ceramics, 2 Fortified MOABs, BFB	7476	$2331	$2409	$48278
58	15 Ceramics, 10 Regrow Fortified Ceramics, 10 MOABs	8860	$3092	$3171	$51449
59	50 Camo Regrow Leads, 20 Camo Fortified Ceramics, 25 Rainbows	4605	$2112	$2192	$53641
60	Fortified BFB	4824	$762	$842	$54484
61	50 Regrow Zebras, 15 Fortified Leads, 15 MOABs	10780	$1442	$1474	$55958
62	250 Purples, 15 Camo Regrow Fortified Leads, 5 Fortified MOABs, 2 BFBs	13748	$1610	$1642	$57600
63	40 Ceramics, 30 Fortified Ceramics, 40 Camo Ceramics, 5 MOABs	14820	$2471	$2503	$60104
64	6 Fortified MOABs, 2 BFBs	11464	$1067	$1100	$61204
65	70 Rainbows, 50 Fortified Ceramics, 3 Fortified MOABs, 3 BFBs	21050	$2751	$2784	$63988
66	6 MOABs, 3 BFBs	13188	$1372	$1405	$65394
67	20 Camo Regrow Fortified Ceramics, 6 MOABs, 4 Fortified MOABs	9400	$1142	$1175	$66569
68	4 MOABs, Fortified BFB	7288	$609	$643	$67213
69	40 Camo Regrow Blacks, 40 Camo Regrow Purples, 50 Camo Ceramics	6080	$1126	$1159	$68372
70	200 Rainbows, 6 Fortified MOABs	14536	$2337	$2371	$70744
71	30 Regrow Fortified Ceramics, 10 Fortified MOABs	11980	$1332	$1366	$72110
72	38 Fortified Ceramics, BFB, Fortified BFB	12320	$1332	$1366	$73476
73	8 Fortified MOABs, 2 Fortified BFBs	16496	$1219	$1254	$74730
74	100 Regrow Blacks, 25 Camo Regrow Fortified Ceramics, Fortified BFB	8774	$1000	$1034	$75765
75	50 Leads, 14 Fortified Leads, 4 Fortified MOABs, 6 BFBs, 2 Fortified BFBs	33570	$3039	$3074	$78839
76	10 BFBs	31640	$3050	$3085	$81925
77	11 Fortified MOABs, 5 Fortified BFBs	33536	$2363	$2398	$84323
78	80 Purples, 150 Zebras, 60 Fortified Ceramics, 72 Camo Ceramics, Fortified BFB	23482	$3679	$3714	$88038
79	500 Camo Rainbows, 4 Fortified BFBs, ZOMG	59452	$7140	$7176	$95214
80	2 ZOMGs	33312	$2440	$2476	$97690
81	15 BFBs, 20 Fortified MOABs	57670	$6099	$6135	$103825
82	15 BFBs, 8 Fortified BFBs, ZOMG	95816	$8235	$8271	$112097
83	40 Camo Ceramics, 40 Regrow Ceramics, 40 Camo Regrow Fortified Ceramics, 20 Fortified MOABs	29280	$3804	$3840	$115938
84	50 MOABs, 15 Fortified BFBs	103720	$8385	$8421	$124359
85	3 ZOMGs	46056	$3660	$3697	$128057
86	8 Fortified BFBs	43264	$1220	$1238	$129296
87	5 ZOMGs	78760	$3050	$3069	$132365
88	15 Fortified MOABs, 12 BFBs, 3 DDTs	50784	$2515	$2534	$134899
89	15 Fortified MOABs, 12 Fortified BFBs	81816	$2401	$2420	$137320
90	50 Camo Regrow Fortified Ceramics, 4 DDTs	9408	$627	$646	$137966
91	100 Fortified Ceramics, 15 Fortified BFBs	98420	$3237	$3256	$141223
92	50 Fortified MOABs, 4 DDTs, 4 ZOMGs	120480	$4497	$4517	$145740
93	17 Fortified BFBs, 7 Fortified DDTs	109716	$2859	$2878	$148618
94	25 BFBs, 8 ZOMGs	212416	$8693	$8712	$157331
95	500 Camo Regrow Purples, 30 Fortified MOABs, 30 DDTs	57720	$2586	$2605	$159936
96	20 Fortified MOABs, 20 Fortified BFBs, 10 DDTs, 11 ZOMGs	342032	$10904	$10923	$170860
97	8 Fortified DDTs, 2 Fortified ZOMGs	82656	$1525	$1544	$172405
98	20 Fortified BFBs, 11 ZOMGs	320032	$9761	$9780	$182186
99	30 MOABs, 9 Fortified DDTs, BAD	97360	$2820	$2840	$185026
100	Fortified BAD	133280	$1334	$1354	$186381
101	225 Camo Purples, 225 Fortified Leads, 50 Fortified Ceramics, 10 Fortified BFBs	73980	$1146	$1156	$187537
102	10 ZOMGs, 30 DDTs	219680	$3622	$3632	$191169
103	100 MOABs, 50 Fortified MOABs, 10 Fortified ZOMGs, 18 Fortified DDTs	538256	$6250	$6261	$197430
104	100 Purples, 100 Fortified Leads, 100 Ceramics, 75 MOABs, 25 Fortified MOABs, 50 BFBs, 25 Fortified BFBs	427200	$8163	$8173	$205604
105	25 Fortified Leads, 100 Ceramics, 300 Fortified Ceramics, 22 Fortified BFBs	199406	$3586	$3596	$209201
106	81 DDTs, 12 Fortified DDTs, BAD	179136	$2438	$2449	$211650
107	111 Camo Purples, 10 Fortified ZOMGs, 25 Fortified DDTs	480386	$3560	$3570	$215220
108	13 ZOMGs, 12 Fortified ZOMGs	820880	$7626	$7636	$222857
109	15 Purples, 15 Fortified MOABs, 15 Fortified BFBs, 30 ZOMGs, 15 DDTs	833580	$10871	$10881	$233739
110	40 BFBs, 42 Fortified DDTs	242864	$3850	$3860	$237599
111	21 ZOMGs, 9 Fortified ZOMGs, 33 DDTs	960336	$9780	$9790	$247390
112	12 Fortified BFBs, 21 Fortified DDTs, BAD	232848	$1982	$1992	$249383
113	42 Camo Ceramics, 42 Fortified Ceramics, 50 Fortified MOABs, 20 Fortified BFBs	238792	$2876	$2887	$252270
114	60 Fortified MOABs, 20 Fortified BFBs, 8 Fortified ZOMGs, 15 Fortified DDTs	682496	$5394	$5404	$257675
115	90 MOABs, 30 BFBs, 10 ZOMGs, 30 DDTs	485050	$7624	$7634	$265310
116	400 Camo Purples, 18 BFBs, 16 ZOMGs	503016	$6373	$6384	$271694
117	250 Camo Fortified Ceramics, 27 DDTs, 18 Fortified DDTs	105260	$2044	$2055	$273749
118	30 MOABs, 12 Fortified ZOMGs, BAD	776544	$4899	$4910	$278660
119	24 Fortified MOABs, 12 Fortified BFBs, 12 Fortified ZOMGs	806328	$5032	$5043	$283703
120	2 BADs, Fortified BAD	432480	$2001	$2012	$285716
121	42 MOABs, 21 BFBs, 9 ZOMGs	391695	$2058	$2063	$287779
122	225 Camo Fortified Leads, 100 MOABs, 60 BFBs	369730	$2623	$2627	$290407
123	200 Fortified MOABs, 100 Fortified DDTs	561600	$2286	$2290	$292698
124	22 ZOMGs	667744	$2684	$2688	$295387
125	81 Fortified MOABs, 66 Fortified BFBs, 63 Fortified DDTs	981096	$3110	$3114	$298501
126	3 Camo Regrow Fortified Ceramics, 198 DDTs	283920	$1514	$1518	$300020
127	48 MOABs, 18 Fortified BFBs	243900	$914	$919	$300940
128	200 Camo Rainbows, 30 BFBs, 9 ZOMGs	505408	$2045	$2049	$302990
129	7 ZOMGs, 7 Fortified ZOMGs, 48 DDTs, 9 Fortified DDTs	897412	$2142	$2147	$305137
130	36 MOABs, 54 Fortified MOABs, 24 BFBs, 21 DDTs, 27 Fortified DDTs	414888	$1783	$1788	$306925
131	3 BADs	479700	$800	$805	$307730
132	18 ZOMGs, 6 Fortified ZOMGs, 54 DDTs	1364256	$3339	$3344	$311075
133	27 MOABs, 30 Fortified MOABs, 27 BFBs, 12 Fortified BFBs, 9 ZOMGs, 4 Fortified ZOMGs	1190997	$3210	$3214	$314290
134	20 BFBs, 26 Fortified BFBs	517808	$1403	$1407	$315697
135	18 Fortified ZOMGs, 27 Fortified DDTs	1783080	$2402	$2406	$318104
136	96 MOABs, 24 Fortified BFBs	476544	$1463	$1468	$319572
137	24 Fortified MOABs, 12 Fortified BFBs, 9 Fortified ZOMGs, BAD	1334052	$1913	$1918	$321491
138	138 Fortified DDTs, BAD	792696	$1318	$1323	$322814
139	181 BFBs, 72 Fortified BFBs	2708759	$7716	$7721	$330536
140	BAD, 4 Fortified BADs	1935200	$1334	$1339	$331875
141+	Random (MOABs, Fortified MOABs, BFBs, Fortified BFBs, ZOMGs, Fortified ZOMGs, DDTs, Fortified DDTs, BADs)	Random	Random	Random	Random

*Rounds 1 and 2 exist in the code, but never appear in normal Alternate Bloons gameplay. These rounds can be seen in certain challenges, including Odysseys.

*Following the Version 25.0 and 26.0 additions of fixed bloon sequences for the early freeplay rounds 101-140, this has affected all games except ABR. Until Version 44.0, ABR still used the old rounds system. However, in boss events, they use their own modified rounds.

*Random freeplay rounds are currently not changed from standard bloons rounds.

Notable rounds that greatly modified rounds from standard rounds include:

• Round 1 (Blue Bloons instead of Red)
• Round 2 (Round 1 and 2 in Standard Rounds combined)
• Round 3 (First Regrow)
• Round 5 (First Camo Regrow)
• Round 10 (First Lead)
• Round 14 (First actual Camo Regrow)
• Round 15 (+1 layer)
• Round 20 (add Regrow property)
• Round 24 (single Camo Lead)
• Round 25 (+1 layer to Yellows and add on Regrow to Purples)
• Round 27 (add Camo property)
• Round 28 (add Regrow property)
• Round 30 (add Camo property)
• Round 31 (add on Regrow to Blacks and add on Camo to Whites)
• Round 33 (-2 layers from Camo Yellows)
• Round 34 (-1 layer from Yellows but +1 layer from Zebras)
• Round 38 (single Regrow Ceramic instead of 2 Ceramics at the end)
• Round 39 (Camo Rainbows instead of Regrow Rainbows at the end)
• Round 40 (First Fortified MOAB)
• Round 41 (+10 Zebras)
• Round 42 (combine Camo and Regrow properties to Rainbows)
• Round 43 (two MOABs)
• Round 44 (First Fortified Lead)
• Round 46 (+2 Fortified Ceramics)
• Round 47 (three MOABs)
• Round 48 (+1 layer to Pinks, Regrow Fortified Leads instead of Rainbows)
• Round 49 (add on a layer and Regrow to Greens, add on Camo to Zebras and Rainbows, add on Regrow to Ceramics)
• Round 50 (add on Regrow property to Leads, cut Reds and Ceramics off, +2 MOABs, +2 Fortified MOABs)
• Round 51 (-1 layer from Rainbows, add on Fortified property to Ceramics)
• Round 53 (+40 Camo Pinks, add on Fortified property to MOABs)
• Round 54 (First BFB)
• Round 55 (add on Camo property to second and fourth Ceramic rushes)
• Round 56 (Camo Regrow Purples instead of Camo Rainbows, +4 MOABs)
• Round 57 (Another BFB)
• Round 58 (add on Regrow property to Fortified Ceramics, +5 MOABs)
• Round 59 (add on Regrow property to Leads)
• Round 60 (First Fortified BFB)
• Round 61 (-100 Regrow Zebras, +15 Fortified Leads, +10 MOABs)
• Round 62 (add on Fortified property to MOABs, Fortified MOABs are ranked up to BFBs, first Camo Regrow Fortified Lead)
• Round 63 (add on Camo property to second ceramic rush, and 5 MOABs instead of 42 ceramics)
• Round 65 (cut zebras off, add on Fortified property to MOABs, +1 BFB)
• Round 68 (add on Fortified property to BFB)
• Round 70 (cut Camo Regrow Whites off, add on Fortified property to MOABs and +2 of them)
• Round 71 (add on Regrow and Fortified property to Ceramics, and Fortified property to MOABs)
• Round 72 (Fortified Ceramics instead of Regrow Ceramics, and second BFB is fortified)
• Round 73 (add Fortified property)
• Round 75 (More Leads, last 2 BFBs are fortified)
• Round 76 (packed BFBs instead of Regrow Ceramics)
• Round 77 (add Fortified property)
• Round 78 (-1 layer from Rainbows but add Fortified property to Ceramics and BFB)
• Round 79 (Camo Rainbows instead of Regrow, First ZOMG)
• Round 80 (+1 ZOMG)
• Round 81 (-2 BFBs, +20 Fortified MOABs)
• Round 82 (+5 BFBs, +3 Fortified BFBs, +1 ZOMG)
• Round 83 (add on Camo property to Ceramics, and Fortified property to MOABs)
• Round 84 (add on Fortified property to BFBs and +5 of them)
• Round 85 (+1 ZOMG)
• Round 86 (+3 Fortified BFBs)
• Round 87 (+1 ZOMG)
• Round 88 (First DDT)
• Round 89 (-5 Fortified MOABs, +4 Fortified BFBs)
• Round 90 (Leads become to Super Ceramics and +1 DDT)
• Round 91 (add on Fortified property to BFBs and -5 of them)
• Round 92 (+4 DDTs)
• Round 93 (Fortified DDT)
• Round 94 (+2 ZOMGs)
• Round 95 (cut Camo Regrow Fortified Leads off, -20 Fortified MOABs)
• Round 96 (BFBs are all Fortified, +10 DDTs)
• Round 97 (+8 Fortified DDTs)
• Round 98 (-10 Fortified BFBs, +3 ZOMGs)
• Round 99 (-30 MOABs, First BAD)
• Round 100 (Fortified BAD)
• Round 101 (add on Camo property to first purple group, +1 layer to Fortified MOABs, and second purple group changed into Fortified Leads)
• Round 103 (clumped purple bloon groups changed into Fortified DDTs)
• Round 104 (one of two Purple, Fortified Lead, Ceramic groups removed, then add more BFBs)
• Round 105 (add on Fortified property to BFBs and -8 of them)
• Round 106 (extra BAD at the end)
• Round 107 (100 Fortified Ceramics replaced by 25 Fortified DDTs)
• Round 108 (+4 ZOMGs, +2 Fortified ZOMGs)
• Round 109 (one of two Fortified MOAB groups replaced by ZOMGs, DDTs instead of BFBs)
• Round 111 (last 5 ZOMGs replaced by 33 DDTs)
• Round 112 (extra BAD throughout the round)
• Round 113 (-25 Fortified MOABs, +5 Fortified BFBs)
• Round 114 (all bloons on this round have been fortified)
• Round 116 (add on Camo property to purples, removed Fortified property from BFBs and ZOMGs)
• Round 117 (Camo Fortified Ceramics instead of Leads)
• Round 118 (ABR Round 99 but Fortified DDTs are replaced by Fortified ZOMGs)
• Round 119 (round 120 from standard rounds, but all bloons have been fortified)
• Round 120 (round 119 from standard rounds, but the last BAD has been fortified)
• Round 123 (add on Fortified property to MOABs, and massive amount of Fortified DDTs instead of Fortified ZOMGs)
• Round 124 (75 Fortified BFBs replaced by 22 ZOMGs)
• Round 126 (Leads become to Super Ceramics and x2 DDTs)
• Round 127 (add on Fortified property to BFBs and -6 of them)
• Round 128 (Camo Rainbows instead of Camo Fortified Ceramics, ZOMGs instead of Fortified DDTs)
• Round 129 (removed Camo Purples, Camo Fortified Leads, and Camo Ceramics throughout the round)
• Round 131 (round 119 from standard rounds)
• Round 132 (clumped purple bloon groups changed into DDTs)
• Round 133 (each Fortified MOAB group now has 15 Fortified MOABs instead of 6)
• Round 135 (add on 27 Fortified DDTs to round 131 from standard rounds)
• Round 136 (MOABs instead of Fortified MOABs, Fortified BFBs instead of BFBs)
• Round 137 (extra BAD at the beginning, halved amount of fortified bloons instead of regular bloons)
• Round 138 (spawns constant flow of Fortified DDTs as much as current round number, extra BAD throughout the round)
• Round 139 (+1 layer)
• Round 140 (standard round 140 wave now spawns without spacing, +3 Fortified BADs at the end)

Strategy

Main article: Alternate Bloons Rounds/Strategies

Version History

1.0

• Released

44.0

• Rounds 101-140 are received preset rounds which are considerably harder than Standard Rounds and randomized rounds in Apopalypse to keep up with standard Bloons rounds.
  • Pre-44.0 Rounds 101-109: Random (Purples, Camo Purples, Fortified Leads, Camo Fortified Leads, Ceramics, Camo Ceramics, Fortified Ceramics, Camo Fortified Ceramics, MOABs, Fortified MOABs, BFBs, Fortified BFBs, ZOMGs, Fortified ZOMGs, DDTs, Fortified DDTs)
  • Pre-44.0 Rounds 110-120: Random (Purples, Camo Purples, Fortified Leads, Camo Fortified Leads, Camo Ceramics, Fortified Ceramics, Camo Fortified Ceramics, MOABs, Fortified MOABs, BFBs, Fortified BFBs, ZOMGs, Fortified ZOMGs, DDTs, Fortified DDTs, BADs)
  • Pre-44.0 Rounds 121-140: Random (MOAB, BFB, ZOMG, DDT, BAD only, may also have fortified (BADs cannot be fortified))
• Now some rounds without DDTs in Standard Rounds spawn DDTs, and there are extra guaranteed BADs in Alternate Bloons Rounds
• Round 106 in Alternate Bloons Rounds now spawns a BAD, which isn't allowed to spawn during randomized rounds before Round 110 in Apopalypse
• Round 120 in Alternate Bloons Rounds now spawns a Fortified BAD, and Round 140 in Alternate Bloons Rounds now spawns Fortified BAD and BAD at the same time, after a while it spawns 3 Fortified BADs in a short duration, which is the fastest BAD spawn rate in the game up to Round 200. (since randomized rounds don't contain Fortified BADs prior to Round 200)

Gallery

Alternate Bloons Rounds medal

Alternate Bloons Rounds in the Hard menu in-game

Other languages

Language	Name	Meaning
English	Alternate Bloons Rounds
French	Manches De Bloons Alternatives
Brazilian Portuguese	Rodadas Bloons Alternativas
Russian	Чередующиеся раунды Альтернативные раунды	Alternating rounds Alternate rounds

Trivia

• In this mode, the MOAB is the only MOAB-Class Bloon whose Fortified form appears before its non-Fortified form.
• Fortified BAD appears in ABR Round 100 replacing normal BAD; that appears at the end of ABR Round 99 instead.
  • This is one of the only ways the Fortified BAD appears, the other being Rounds 140 or 200.
• The Alternate Bloon Rounds rules only continue to Round 140 and after that, standard freeplay rules and ramping applies.
  • This is because when you pass Round 100, it grants player an Insta-Monkey.
• On Round 5, a Camo Regrowth Red bloon appears as the last bloon of the round. This is a reference to a meme in the BTD community where it is seen as a bloon that is extremely difficult to pop.
• The Z.O.M.G. and D.D.T. are the only MOAB-Class Bloons that do not appear as a fortified variant on their standard debut round, rather having 2 highly spaced Z.O.M.Gs or 4 D.D.Ts.
• The first BAD on Round 99 has a short delay before spawning in this game mode, just like Apopalypse.
• The icon for Alternate Bloons Rounds is identical to the icon for Freeplay Mode when it appears after winning any game.
• The first boss featured in Alternate Bloons Rounds was Bloonarius on Week 156, which used their own preset rounds on Rounds 101-140. Some rounds intentionally spawned less bloons with fortified modifiers to give reduced amount of cash, and there were more rounds with DDTs. Also heavy DDT rounds were modified to have more Fortified DDTs or making their waves even more dense. Round 119 and Round 140 had one more BAD at the end of the round (2 BADs spawned with 1 second interval). Here were the changes:
  • Round 101: 450 Purples (1 group of 250 and 1 group of 200), 50 Fortified Ceramics, 10 Fortified DDTs
  • Round 102: 3 BFBs, 3 Fortified BFBs, 1 ZOMG, 3 Fortified ZOMGs (last 2 are stacked), 18 Fortified DDTs
  • Round 103: 198 Purples (3 groups of 66), 100 Fortified MOABs, 10 Fortified ZOMGs
  • Round 104: 200 Purples (2 groups of 100), 200 Fortified Leads (2 groups of 100), 200 Ceramics (2 groups of 100), 150 Fortified MOABs, 15 BFBs, 24 Fortified BFBs, 10 DDTs
  • Round 105: 25 DDTs, 20 Fortified BFBs, 300 Fortified Ceramics
  • Round 106: 54 MOABs, 27 Fortified MOABs, 12 Fortified DDTs (stacked)
  • Round 107: 444 Camo Purples, 10 Fortified ZOMGs
  • Round 108: 15 Fortified ZOMGs, 20 DDTs
  • Round 109: 15 Camo Purples, 15 Ceramics, 15 Fortified MOABs, 15 Fortified BFBs, 15 ZOMGs, 15 Fortified DDTs
  • Round 110: 20 Fortified BFBs, 18 MOABs, 9 DDTs, 12 Fortified MOABs, 6 Fortified DDTs
  • Round 111: 17 Fortified ZOMGs, 18 DDTs, 5 Fortified DDTs
  • Round 112: 9 ZOMGs, 21 Fortified DDTs
  • Round 113: 42 Camo Ceramics, 42 Fortified Ceramics, 50 Fortified MOABs, 20 Fortified BFBs
  • Rounds 114 and 115: 36 MOABs, 24 Fortified MOABs, 8 BFBs, 12 Fortified BFBs, 3 ZOMGs, 5 Fortified ZOMGs, 6 DDTs, 9 Fortified DDTs
  • Round 116: 400 Purples, 36 DDTs, 8 Fortified ZOMGs
  • Round 117: 250 Camo Leads, 18 DDTs, 27 Fortified DDTs
  • Round 118: 10 Fortified ZOMGs, 30 Fortified DDTs
  • Round 119: 4 BADs (last 2 are very close together)
  • Round 120: 6 Fortified ZOMGs, 12 Fortified BFBs, 24 MOABs
  • Round 121: 14 BFBs, 28 Fortified MOABs, 7 Fortified ZOMGs
  • Round 122: 40 Fortified BFBs, 225 Fortified Leads (3 groups of 75, stacked)
  • Round 123: 200 Fortified MOABs, 10 ZOMGs
  • Round 124: 15 Fortified ZOMGs
  • Round 125: 15 ZOMGs, 30 BFBs, 45 MOABs, 36 DDTs
  • Round 126: 1 Camo Regrow Fortified Lead, 48 MOABs, 99 DDTs (3 groups of 33, stacked)
  • Round 127: 24 Fortified BFBs
  • Round 128: 200 Camo Fortified Ceramics, 39 DDTs (sent in 1 second), 1 ZOMG, 1 Fortified ZOMG (stacked with a regular ZOMG), 30 Fortified MOABs, 20 Fortified DDTs (sent in 1 second)
  • Round 129: 77 Camo Purples, 77 Camo Fortified Leads, 77 Camo Ceramics, 7 ZOMGs, 7 Fortified ZOMGs, 7 Fortified DDTs (stacked)
  • Round 130: 36 MOABs, 114 Fortified MOABs, 21 DDTs, 33 Fortified DDTs
  • Round 131: 16 Fortified ZOMGs, 24 Fortified DDTs (3 groups of 8, stacked)
  • Round 132: 8 ZOMGs, 16 Fortified ZOMGs, 200 Camo Purples (2 groups of 100)
  • Round 133: 4 Fortified ZOMGs, 12 Fortified BFBs, 12 Fortified MOABs, 6 ZOMGs, 18 BFBs, 18 MOABs, 9 DDTs, 15 Fortified DDTs
  • Round 134: 12 Fortified BFBs, 28 Fortified MOABs
  • Round 135: 8 Fortified ZOMGs, 40 Fortified DDTs (5 groups of 8, stacked)
  • Round 136: 96 DDTs, 24 BFBs
  • Round 137: 18 ZOMGs, 24 Fortified BFBs, 48 DDTs
  • Round 138: 33 DDTs, 93 Fortified DDTs (sent in 20 seconds)
  • Round 139: 109 MOABs, 108 Fortified MOABs
  • Round 140: 1 Fortified BAD, 2 BADs (last 2 are very close together)
• This made Round 107 the only preset round from 1 to 140 to remain the same in ABR, with an exception of 100 Fortified Ceramics removed. However, it didn't really matter in Boss Events.
• As of 44.0 update, Round 140/ABR spawns the most amount of BADs in the game up to Round 200. There are 9 BADs (Fortified BADs are counted as 2 BADs) on Round 140/ABR, and it is impossible to spawn more than 7 BADs each round until Round 200.