BotB has had a lot of different XHB series in the past years. This article tries to list at least the most successful and commonly known ones.
Series are ordered by Date of the first battle! Which means the newer series are at the bottom of the page!

'[#[Rare Format Sighting]
OHB-series hosted by '[l[https://battleofthebits.com/barracks/Profile/Jangler/[Jangler] first and other people later.
'[l[https://battleofthebits.com/arena/XHB/1783/['[icon[formats/panda] #1] - '[l[https://battleofthebits.com/arena/XHB/1803/['[icon[formats/ntrq] #2] - '[l[https://battleofthebits.com/arena/XHB/1814/['[icon[formats/fsound] #3] - '[l[https://battleofthebits.com/arena/XHB/1822/['[icon[formats/html] #4] - '[l[https://battleofthebits.com/arena/XHB/1829/['[icon[formats/channelf] #5] - '[l[https://battleofthebits.com/arena/XHB/1839/['[icon[formats/svg] #6] - '[l[https://battleofthebits.com/arena/XHB/1863/['[icon[formats/sunvox] #7] - '[l[https://battleofthebits.com/arena/XHB/3189/['[icon[formats/ahx] #8] - '[l[https://battleofthebits.com/arena/XHB/3190/['[icon[formats/mod12k] #9] - '[l[https://battleofthebits.com/arena/XHB/4161/['[icon[formats/pc-x801] #10]

'[#[Soundtrack Sessions]
A small '[[nsf (format)[nsf]-OHB-series hosted by '[l[https://battleofthebits.com/barracks/Profile/ElHuesudoII/[ElHuesudoII] in 2014.
'[l[https://battleofthebits.com/arena/XHB/2066/[#1] - '[l[https://battleofthebits.com/arena/XHB/2069/[#2] - '[l[https://battleofthebits.com/arena/XHB/2074/[#3] - '[l[https://battleofthebits.com/arena/XHB/2085/[#4]

'[#[BOTBtober]
A small OHB-series hosted by '[l[https://battleofthebits.com/barracks/Profile/Sinc-X/[Sinc-X] at the end of October. While 2016 was entirely allgear-based, 2017 varied between the formats.

- '[b]BOTBtober 2016'[/b]
'[l[https://battleofthebits.com/arena/XHB/3200/[#1] - '[l[https://battleofthebits.com/arena/XHB/3201/[#2] - '[l[https://battleofthebits.com/arena/XHB/3203/[#3] - '[l[https://battleofthebits.com/arena/XHB/3206/[#4] - '[l[https://battleofthebits.com/arena/XHB/3209/[#5]

- '[b]BOTBtober 2017'[/b]
'[l[https://battleofthebits.com/arena/XHB/3562/['[icon[formats/allgear] #1] - '[l[https://battleofthebits.com/arena/XHB/3564/['[icon[formats/sample] #2A] - '[l[https://battleofthebits.com/arena/XHB/3565/['[icon[formats/remix] #2B] - '[l[https://battleofthebits.com/arena/XHB/3566/['[icon[formats/zxbeep] #3] - '[l[https://battleofthebits.com/arena/XHB/3568/['[icon[formats/wildchip] #4] - '[l[https://battleofthebits.com/arena/XHB/3569/['[icon[formats/sid] #5]

'[#[Badge Quest]
OHB-series hosted by '[l[https://battleofthebits.com/barracks/Profile/Chip+Champion/[Chip Champion] as a part of his badge completionist collecting.
'[l[https://battleofthebits.com/arena/XHB/3008/['[icon[formats/sap] #1] - '[l[https://battleofthebits.com/arena/XHB/3016/['[icon[formats/sapx2] #2] - '[l[https://battleofthebits.com/arena/XHB/3018/['[icon[formats/nsf_classic] #3] - '[l[https://battleofthebits.com/arena/XHB/3039/['[icon[formats/gameboy] #4] - '[l[https://battleofthebits.com/arena/XHB/3042/['[icon[formats/deflemask] #5] - '[l[https://battleofthebits.com/arena/XHB/3045/['[icon[formats/hes] #6] - '[l[https://battleofthebits.com/arena/XHB/3068/['[icon[formats/tia] #7] - '[l[https://battleofthebits.com/arena/XHB/3311/['[icon[formats/gameboy] #8] - '[l[https://battleofthebits.com/arena/XHB/3349/['[icon[formats/draw] #9] - '[l[https://battleofthebits.com/arena/XHB/3759/['[icon[formats/nsf_classic] #10] - '[l[https://battleofthebits.com/arena/XHB/4141/['[icon[formats/ansi] #11]

'[#[E]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/kleeder/[kleeder]. The overall theme was to only use the note E with barely any effects to reach other frequencies.
'[l[https://battleofthebits.com/arena/XHB/3837/[#1] - '[l[https://battleofthebits.com/arena/XHB/3970/[#2] - '[l[https://battleofthebits.com/arena/XHB/4179/[#3]

'[#[kleeder’s OHB Advent Calendar 2018]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/kleeder/[kleeder].
For more information about the Advent Calendar series, check '[[Advent Calendar (Battle series)[this article].
'[l[https://battleofthebits.com/arena/XHB/3996/[#1] - '[l[https://battleofthebits.com/arena/XHB/3997/[#2] - '[l[https://battleofthebits.com/arena/XHB/3999/[#3] - '[l[https://battleofthebits.com/arena/XHB/4001/[#4] - '[l[https://battleofthebits.com/arena/XHB/4002/[#5] - '[l[https://battleofthebits.com/arena/XHB/4003/[#6] - '[l[https://battleofthebits.com/arena/XHB/4004/[#7] - '[l[https://battleofthebits.com/arena/XHB/4005/[#8] - '[l[https://battleofthebits.com/arena/XHB/4006/[#9] - '[l[https://battleofthebits.com/arena/XHB/4007/[#10] - '[l[https://battleofthebits.com/arena/XHB/4008/[#11] - '[l[https://battleofthebits.com/arena/XHB/4009/[#12] - '[l[https://battleofthebits.com/arena/XHB/4010/[#13] - '[l[https://battleofthebits.com/arena/XHB/4011/[#14] - '[l[https://battleofthebits.com/arena/XHB/4014/[#15] - '[l[https://battleofthebits.com/arena/XHB/4016/[#16] - '[l[https://battleofthebits.com/arena/XHB/4018/[#17] - '[l[https://battleofthebits.com/arena/XHB/4019/[#18] - '[l[https://battleofthebits.com/arena/XHB/4021/[#19] - '[l[https://battleofthebits.com/arena/XHB/4022/[#20] - '[l[https://battleofthebits.com/arena/XHB/4026/[#21] - '[l[https://battleofthebits.com/arena/XHB/4028/[#22] - '[l[https://battleofthebits.com/arena/XHB/4030/[#23] - '[l[https://battleofthebits.com/arena/XHB/4031/[#24]

'[#[One-OHB-Per-Day-Challenge]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/kleeder/[kleeder].
'[l[https://battleofthebits.com/arena/XHB/4196/[#1] - '[l[https://battleofthebits.com/arena/XHB/4197/[#2] - '[l[https://battleofthebits.com/arena/XHB/4198/[#3] - '[l[https://battleofthebits.com/arena/XHB/4200/[#4] - '[l[https://battleofthebits.com/arena/XHB/4203/[#5] - '[l[https://battleofthebits.com/arena/XHB/4204/[#6] - '[l[https://battleofthebits.com/arena/XHB/4205/[#7] - '[l[https://battleofthebits.com/arena/XHB/4206/[#8] - '[l[https://battleofthebits.com/arena/XHB/4210/[#9] - '[l[https://battleofthebits.com/arena/XHB/4213/[#10] - '[l[https://battleofthebits.com/arena/XHB/4214/[#11] - '[l[https://battleofthebits.com/arena/XHB/4217/[#12] - '[l[https://battleofthebits.com/arena/XHB/4221/[#13]

'[#[Sega Genesis ExMO]
A '[[s3xmodit (format)[s3xmodit] XHB series with YM2612 samples hosted by '[l[https://battleofthebits.com/barracks/Profile/ASIKWUSpulse/[ASIKWUSpulse].
'[l[https://battleofthebits.com/arena/XHB/4265/[#1] - '[l[https://battleofthebits.com/arena/XHB/4270/[#2] - '[l[https://battleofthebits.com/arena/XHB/5311/[#3]

'[#[making music for an imaginary soundchip]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/kleeder/[kleeder].
'[l[https://battleofthebits.com/arena/XHB/4314/[#1] - '[l[https://battleofthebits.com/arena/XHB/4316/[#2] - '[l[https://battleofthebits.com/arena/XHB/4331/[#3] - '[l[https://battleofthebits.com/arena/XHB/4355/[#4] - '[l[https://battleofthebits.com/arena/XHB/4585/[#5] - '[l[https://battleofthebits.com/arena/XHB/4718/[#6]

'[#[one sample only]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/kleeder/[kleeder].
'[l[https://battleofthebits.com/arena/XHB/4337/[#1] - '[l[https://battleofthebits.com/arena/XHB/4338/[#2] - '[l[https://battleofthebits.com/arena/XHB/4340/[#3] - '[l[https://battleofthebits.com/arena/XHB/4341/[#4]

'[#[OHB Advent Calendar 2019]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/kleeder/[kleeder].
For more information about the Advent Calendar series, check '[[Advent Calendar (Battle series)[this article].
'[l[https://battleofthebits.com/arena/XHB/4369/[#1] - '[l[https://battleofthebits.com/arena/XHB/4371/[#2] - '[l[https://battleofthebits.com/arena/XHB/4372/[#3] - '[l[https://battleofthebits.com/arena/XHB/4374/[#4] - '[l[https://battleofthebits.com/arena/XHB/4375/[#5] - '[l[https://battleofthebits.com/arena/XHB/4376/[#6] - '[l[https://battleofthebits.com/arena/XHB/4377/[#7] - '[l[https://battleofthebits.com/arena/XHB/4378/[#8] - '[l[https://battleofthebits.com/arena/XHB/4379/[#9] - '[l[https://battleofthebits.com/arena/XHB/4381/[#10] - '[l[https://battleofthebits.com/arena/XHB/4382/[#11] - '[l[https://battleofthebits.com/arena/XHB/4383/[#12] - '[l[https://battleofthebits.com/arena/XHB/4384/[#13] - '[l[https://battleofthebits.com/arena/XHB/4385/[#14] - '[l[https://battleofthebits.com/arena/XHB/4386/[#15] - '[l[https://battleofthebits.com/arena/XHB/4387/[#16] - '[l[https://battleofthebits.com/arena/XHB/4388/[#17] - '[l[https://battleofthebits.com/arena/XHB/4389/[#18] - '[l[https://battleofthebits.com/arena/XHB/4390/[#19] - '[l[https://battleofthebits.com/arena/XHB/4391/[#20] - '[l[https://battleofthebits.com/arena/XHB/4393/[#21] - '[l[https://battleofthebits.com/arena/XHB/4395/[#22] - '[l[https://battleofthebits.com/arena/XHB/4396/[#23] - '[l[https://battleofthebits.com/arena/XHB/4398/[#24]

'[#[Level Music]
An XHB-series hosted by '[l[https://battleofthebits.com/barracks/Profile/OminPigeonMaster/[OminPigeonMaster]. It is considered the longest themed XHB series in existance, spanning over '[-s]55.5'[/-s] 56 battles.
'[l[https://battleofthebits.com/arena/XHB/4453/[#1] - '[l[https://battleofthebits.com/arena/XHB/4458/[#2] - '[l[https://battleofthebits.com/arena/XHB/4459/[#3] - '[l[https://battleofthebits.com/arena/XHB/4460/[#4] - '[l[https://battleofthebits.com/arena/XHB/4464/[#5] - '[l[https://battleofthebits.com/arena/XHB/4465/[#6] - '[l[https://battleofthebits.com/arena/XHB/4476/[#7] - '[l[https://battleofthebits.com/arena/XHB/4478/[#8] - '[l[https://battleofthebits.com/arena/XHB/4483/[#9] - '[l[https://battleofthebits.com/arena/XHB/4484/[#10] - '[l[https://battleofthebits.com/arena/XHB/4492/[#11] - '[l[https://battleofthebits.com/arena/XHB/4493/[#12] - '[l[https://battleofthebits.com/arena/XHB/4498/[#13] - '[l[https://battleofthebits.com/arena/XHB/4499/[#14] - '[l[https://battleofthebits.com/arena/XHB/4506/[#15] - '[l[https://battleofthebits.com/arena/XHB/4509/[#16] - '[l[https://battleofthebits.com/arena/XHB/4511/[#17] - '[l[https://battleofthebits.com/arena/XHB/4515/[#18] - '[l[https://battleofthebits.com/arena/XHB/4517/[#19] - '[l[https://battleofthebits.com/arena/XHB/4521/[#20] - '[l[https://battleofthebits.com/arena/XHB/4524/[#21] - '[l[https://battleofthebits.com/arena/XHB/4527/[#22] - '[l[https://battleofthebits.com/arena/XHB/4530/[#23] - '[l[https://battleofthebits.com/arena/XHB/4531/[#24] - '[l[https://battleofthebits.com/arena/XHB/4532/[#25] - '[l[https://battleofthebits.com/arena/XHB/4538/[#26] - '[l[https://battleofthebits.com/arena/XHB/4541/[#27] - '[l[https://battleofthebits.com/arena/XHB/4548/[#28] - '[l[https://battleofthebits.com/arena/XHB/4549/[#29] - '[l[https://battleofthebits.com/arena/XHB/4552/[#30] - '[l[https://battleofthebits.com/arena/XHB/4555/[#31] - '[l[https://battleofthebits.com/arena/XHB/4561/[#32] - '[l[https://battleofthebits.com/arena/XHB/4562/[#33] - '[l[https://battleofthebits.com/arena/XHB/4566/[#34] - '[l[https://battleofthebits.com/arena/XHB/4569/[#35] - '[l[https://battleofthebits.com/arena/XHB/4573/[#36] - '[l[https://battleofthebits.com/arena/XHB/4578/[#37] - '[l[https://battleofthebits.com/arena/XHB/4593/[#38] - '[l[https://battleofthebits.com/arena/XHB/4605/[#39] - '[l[https://battleofthebits.com/arena/XHB/4622/[#40] - '[l[https://battleofthebits.com/arena/XHB/4654/[#41] - '[l[https://battleofthebits.com/arena/XHB/4666/[#42] - '[l[https://battleofthebits.com/arena/XHB/4679/[#43] - '[l[https://battleofthebits.com/arena/XHB/4682/[#44] - '[l[https://battleofthebits.com/arena/XHB/4686/[#45] - '[l[https://battleofthebits.com/arena/XHB/4694/[#46] - '[l[https://battleofthebits.com/arena/XHB/4722/[#47] - '[l[https://battleofthebits.com/arena/XHB/4739/[#48] - '[l[https://battleofthebits.com/arena/XHB/4748/[#49] - '[l[https://battleofthebits.com/arena/XHB/4786/[#50] - '[l[https://battleofthebits.com/arena/XHB/4814/[#51] - '[l[https://battleofthebits.com/arena/XHB/4823/[#52] - '[l[https://battleofthebits.com/arena/XHB/4846/[#53] - '[l[https://battleofthebits.com/arena/XHB/4864/[#54] - '[l[https://battleofthebits.com/arena/XHB/4920/[#55] - '[l[https://battleofthebits.com/arena/XHB/5031/[#55.5] - '[l[https://battleofthebits.com/arena/XHB/5036/[#55.55] - '[l[https://battleofthebits.com/arena/XHB/5112/[#55.555] - '[l[https://battleofthebits.com/arena/XHB/5239/[#55.5555] - '[l[https://battleofthebits.com/arena/XHB/5282/[#55.55555] - '[l[https://battleofthebits.com/arena/XHB/5287/[#56]

OPM started a second season right after the 56th battle of season one was hosted.
'[l[https://battleofthebits.com/arena/XHB/5361/[#1] - '[l[https://battleofthebits.com/arena/XHB/5372/[#2] - '[l[https://battleofthebits.com/arena/XHB/5431/[#3] - '[l[https://battleofthebits.com/arena/XHB/5554/[#4] - '[l[https://battleofthebits.com/arena/XHB/5649/[#5]

'[#[daily famitrack]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/kleeder/[kleeder].
'[l[https://battleofthebits.com/arena/XHB/4480/[#1] - '[l[https://battleofthebits.com/arena/XHB/4485/[#2] - '[l[https://battleofthebits.com/arena/XHB/4489/[#3] - '[l[https://battleofthebits.com/arena/XHB/4494/[#4] - '[l[https://battleofthebits.com/arena/XHB/4501/[#5] - '[l[https://battleofthebits.com/arena/XHB/4510/[#6] - '[l[https://battleofthebits.com/arena/XHB/4516/[#7] - '[l[https://battleofthebits.com/arena/XHB/4523/[#8] - '[l[https://battleofthebits.com/arena/XHB/4528/[#9] - '[l[https://battleofthebits.com/arena/XHB/4534/[#10] - '[l[https://battleofthebits.com/arena/XHB/4539/[#11]

'[#[COUNTELPRO]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/kfaraday/[keffie].
'[l[https://battleofthebits.com/arena/XHB/4496/[#1] - '[l[https://battleofthebits.com/arena/XHB/5533/[#2]

'[#[EP in a Week Challenge]
An XHB-series hosted by '[l[https://battleofthebits.com/barracks/Profile/OminPigeonMaster/[OminPigeonMaster]. Related Challenge Thread can be found '[l[https://battleofthebits.com/academy/GroupThread/23333/VOTING+closed%21+-+EP+In+a+Week+Challenge/[here].
'[l[https://battleofthebits.com/arena/XHB/4503/[#1] - '[l[https://battleofthebits.com/arena/XHB/4505/[#2] - '[l[https://battleofthebits.com/arena/XHB/4507/[#3] - '[l[https://battleofthebits.com/arena/XHB/4513/[#4] - '[l[https://battleofthebits.com/arena/XHB/4542/[#5]

'[#[Eye to ear]
'[[nsfplus (format)[nsfplus] series hosted by '[l[https://battleofthebits.com/barracks/Profile/OminPigeonMaster/[OminPigeonMaster] with the general idea to write music for a gfx entry that was previously submitted to BotB
'[l[https://battleofthebits.com/arena/XHB/4752/[#1] - '[l[https://battleofthebits.com/arena/XHB/5256/[#2]

'[#[hosting one ohb per day until single-format-major 1 starts]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/kleeder/[kleeder].
'[l[https://battleofthebits.com/arena/XHB/4756/[#1] - '[l[https://battleofthebits.com/arena/XHB/4758/[#2] - '[l[https://battleofthebits.com/arena/XHB/4761/[#3] - '[l[https://battleofthebits.com/arena/XHB/4763/[#4] - '[l[https://battleofthebits.com/arena/XHB/4767/[#5] - '[l[https://battleofthebits.com/arena/XHB/4768/[#6] - '[l[https://battleofthebits.com/arena/XHB/4771/[#7] - '[l[https://battleofthebits.com/arena/XHB/4787/[#8] - '[l[https://battleofthebits.com/arena/XHB/4789/[#9] - '[l[https://battleofthebits.com/arena/XHB/4791/[#10]

'[#[Summer Allgear Series]
The Summer Allgear Series is a notable '[[XHB] series ran by '[l[https://battleofthebits.com/barracks/Profile/hanna/[hanna] during the season of summer. It is considered the XHB counterpart to '[[Summer Chip], in that it mainly uses the '[[allgear (format)[allgear] format for submissions, as opposed to the regular chipist formats used in Summer Chip.

- '[b]SUMMER ALLGEAR SERIES'[/b] (June - September 2020)
'[l[https://battleofthebits.com/arena/XHB/4797/[#1] - '[l[https://battleofthebits.com/arena/XHB/4802/[#2] - '[l[https://battleofthebits.com/arena/XHB/4808/[#3] - '[l[https://battleofthebits.com/arena/XHB/4822/[#4] - '[l[https://battleofthebits.com/arena/XHB/4826/[#5] - '[l[https://battleofthebits.com/arena/XHB/4837/[#6] - '[l[https://battleofthebits.com/arena/XHB/4888/[#7] - '[l[https://battleofthebits.com/arena/XHB/4930/[#8] - '[l[https://battleofthebits.com/arena/XHB/4963/[#9] - '[l[https://battleofthebits.com/arena/XHB/5000/[#10] - '[l[https://battleofthebits.com/arena/XHB/5050/[#11] - '[l[https://battleofthebits.com/arena/XHB/5080/[#12] - '[l[https://battleofthebits.com/arena/XHB/5113/[#13] - '[l[https://battleofthebits.com/arena/XHB/5136/[#14]

'[#[Vav's Lunch Break]
Mostly hosted by '[l[https://battleofthebits.com/barracks/Profile/Vav/[Vav] this is a series of allgear/fakebit/wildchip XHBs, done in lieu of XHB activity.
'[l[https://battleofthebits.com/arena/XHB/4827/[#1] - '[l[https://battleofthebits.com/arena/XHB/4830/[#2] - '[l[https://battleofthebits.com/arena/XHB/4833/[#3] - '[l[https://battleofthebits.com/arena/XHB/4835/[#4] - '[l[https://battleofthebits.com/arena/XHB/4838/[#5] - '[l[https://battleofthebits.com/arena/XHB/4841/[#6] - '[l[https://battleofthebits.com/arena/XHB/4852/[#7] - '[l[https://battleofthebits.com/arena/XHB/4906/[#8] - '[l[https://battleofthebits.com/arena/XHB/5008/[#9] - '[l[https://battleofthebits.com/arena/XHB/5067/[#10] - '[l[https://battleofthebits.com/arena/XHB/5093/[#11] - '[l[https://battleofthebits.com/arena/XHB/5096/[#12] - '[l[https://battleofthebits.com/arena/XHB/5120/[#13] - '[l[https://battleofthebits.com/arena/XHB/5223/[#14] - '[l[https://battleofthebits.com/arena/XHB/5317/[#15] - '[l[https://battleofthebits.com/arena/XHB/5318/[#16] - '[l[https://battleofthebits.com/arena/XHB/5338/[#17] - '[l[https://battleofthebits.com/arena/XHB/5409/[#18] - '[l[https://battleofthebits.com/arena/XHB/5475/[#19] - '[l[https://battleofthebits.com/arena/XHB/5483/[#20] - '[l[https://battleofthebits.com/arena/XHB/5549/[#21] - '[l[https://battleofthebits.com/arena/XHB/5593/[#22]

'[#[colours]
A small visuall-related OHB-series hosted by '[l[https://battleofthebits.com/barracks/Profile/sean/[sean].
'[l[https://battleofthebits.com/arena/XHB/4895/[#1] - '[l[https://battleofthebits.com/arena/XHB/5013/[#2] - '[l[https://battleofthebits.com/arena/XHB/5041/[#3] - '[l[https://battleofthebits.com/arena/XHB/5073/[#4] - '[l[https://battleofthebits.com/arena/XHB/5193/[#5] - '[l[https://battleofthebits.com/arena/XHB/5412/[#6] - '[l[https://battleofthebits.com/arena/XHB/5430/[#7] - '[l[https://battleofthebits.com/arena/XHB/5531/[#8]

'[#[Quest Awaiting]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/CastleNes/[CastleNes].
'[l[https://battleofthebits.com/arena/XHB/4917/[#1] - '[l[https://battleofthebits.com/arena/XHB/5051/[#2] - '[l[https://battleofthebits.com/arena/XHB/5070/[#3] - '[l[https://battleofthebits.com/arena/XHB/5191/[#4]

'[#[HOMM-Series]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/kleeder/[kleeder].
'[l[https://battleofthebits.com/arena/XHB/4931/[#1] - '[l[https://battleofthebits.com/arena/XHB/4932/[#2] - '[l[https://battleofthebits.com/arena/XHB/4933/[#3]

'[#[Sample Pack Series]
First hosted by '[l[https://battleofthebits.com/barracks/Profile/hanna/[hanna], later by '[l[https://battleofthebits.com/barracks/Profile/damifortune/[damifortune], this is a series of '[[remix (format)[remix] OHBs hosted as a BotB equivalent to the '[l[https://samplepackcontest.bandcamp.com/[Sample Pack Contest] series hosted by VGMusic.com.
'[l[https://battleofthebits.com/arena/XHB/4946/[#1] - '[l[https://battleofthebits.com/arena/XHB/4958/[#2] - '[l[https://battleofthebits.com/arena/XHB/4960/[#3] - '[l[https://battleofthebits.com/arena/XHB/4970/[#4] - '[l[https://battleofthebits.com/arena/XHB/4995/[#5] - '[l[https://battleofthebits.com/arena/XHB/4997/[#6] - '[l[https://battleofthebits.com/arena/XHB/5002/[#7] - '[l[https://battleofthebits.com/arena/XHB/5034/[#8] - '[l[https://battleofthebits.com/arena/XHB/5061/[#9] - '[l[https://battleofthebits.com/arena/XHB/5071/[#10] - '[l[https://battleofthebits.com/arena/XHB/5122/[#11] - '[l[https://battleofthebits.com/arena/XHB/5133/[#12] - '[l[https://battleofthebits.com/arena/XHB/5158/[#13] - '[l[https://battleofthebits.com/arena/XHB/5192/[#14] - '[l[https://battleofthebits.com/arena/XHB/5215/[#15] - '[l[https://battleofthebits.com/arena/XHB/5237/[#16] - '[l[https://battleofthebits.com/arena/XHB/5288/[#17] - '[l[https://battleofthebits.com/arena/XHB/5321/[#18] - '[l[https://battleofthebits.com/arena/XHB/5359/[#19] - '[l[https://battleofthebits.com/arena/XHB/5390/[#20] - '[l[https://battleofthebits.com/arena/XHB/5420/[#21] - '[l[https://battleofthebits.com/arena/XHB/5448/[#22] - '[l[https://battleofthebits.com/arena/XHB/5467/[#23] - '[l[https://battleofthebits.com/arena/XHB/5484/[#24] - '[l[https://battleofthebits.com/arena/XHB/5507/[#25] - '[l[https://battleofthebits.com/arena/XHB/5539/[#26] - '[l[https://battleofthebits.com/arena/XHB/5577/[#27] - '[l[https://battleofthebits.com/arena/XHB/5614/[#28] - '[l[https://battleofthebits.com/arena/XHB/5657/[#29] - '[l[https://battleofthebits.com/arena/XHB/5693/[#30] - '[l[https://battleofthebits.com/arena/XHB/5735/[#31]

'[#[The Ultimate Hum]
A '[[wildchip (format)[wildchip] 4HB project organized by '[l[https://battleofthebits.com/barracks/Profile/Maximemoring/[Maximemoring] (who also streams '[[synclisten]s of it) and hosted by '[l[https://battleofthebits.com/barracks/Profile/puke7/[puke7].

- '[b]The Ultimate Hum'[/b] (August 2020 - October 2020)
'[l[https://battleofthebits.com/arena/XHB/4948/[#1] - '[l[https://battleofthebits.com/arena/XHB/4985/[#2] - '[l[https://battleofthebits.com/arena/XHB/5026/[#3] - '[l[https://battleofthebits.com/arena/XHB/5069/[#4] - '[l[https://battleofthebits.com/arena/XHB/5098/[#5] - '[l[https://battleofthebits.com/arena/XHB/5128/[#6] - '[l[https://battleofthebits.com/arena/XHB/5150/[#7] - '[l[https://battleofthebits.com/arena/XHB/5186/[#8] - '[l[https://battleofthebits.com/arena/XHB/5209/[#9] - '[l[https://battleofthebits.com/arena/XHB/5229/[#10]

There's a lot more to it than meets the eye here. For more information, read these bulletins: '[l[http://battleofthebits.com/academy/GroupThread/24472/[Rules & Current state], '[l[https://battleofthebits.com/academy/GroupThread/24695/[How revenue works]

'[#[Darker Than Night]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/CastleNes/[CastleNes].
'[l[https://battleofthebits.com/arena/XHB/5009/[#1] - '[l[https://battleofthebits.com/arena/XHB/5102/[#2]

'[#[From The Past]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/CastleNes/[CastleNes].
'[l[https://battleofthebits.com/arena/XHB/5027/[#1] - '[l[https://battleofthebits.com/arena/XHB/5101/[#2] - '[l[https://battleofthebits.com/arena/XHB/5134/[#3] - '[l[https://battleofthebits.com/arena/XHB/5408/[#4]

'[#[BotBer arts]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/CastleNes/[CastleNes].
'[l[https://battleofthebits.com/arena/XHB/5044/[#1] - '[l[https://battleofthebits.com/arena/XHB/5087/[#2] - '[l[https://battleofthebits.com/arena/XHB/5089/[#3] - '[l[https://battleofthebits.com/arena/XHB/5119/[#4] - '[l[https://battleofthebits.com/arena/XHB/5142/[#5] - '[l[https://battleofthebits.com/arena/XHB/5185/[#6] - '[l[https://battleofthebits.com/arena/XHB/5210/[#7]* - '[l[https://battleofthebits.com/arena/XHB/5375/[#8] - '[l[https://battleofthebits.com/arena/XHB/5449/[#9] - '[l[https://battleofthebits.com/arena/XHB/5677/[#A] - '[l[https://battleofthebits.com/arena/XHB/5788/[#B] - '[l[https://battleofthebits.com/arena/XHB/5807/[#C] - '[l[https://battleofthebits.com/arena/XHB/5881/[#D]

*not hosted by CastleNes

'[#[Theme Allgear]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/CastleNes/[CastleNes].
'[l[https://battleofthebits.com/arena/XHB/5064/[#1] - '[l[https://battleofthebits.com/arena/XHB/5203/[#2] - '[l[https://battleofthebits.com/arena/XHB/5233/[#3] - '[l[https://battleofthebits.com/arena/XHB/5333/[#4] - '[l[https://battleofthebits.com/arena/XHB/5388/[#5]

'[#[Short Circuit]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/CastleNes/[CastleNes].
'[l[https://battleofthebits.com/arena/XHB/5103/[#1] - '[l[https://battleofthebits.com/arena/XHB/5227/[#2]

'[#[modnar s3xmodit]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/ASIKWUSpulse/[ASIKWUSpulse].
'[l[https://battleofthebits.com/arena/XHB/5107/[#1] - '[l[https://battleofthebits.com/arena/XHB/5159/[#2] - '[l[https://battleofthebits.com/arena/XHB/5543/[#3] - '[l[https://battleofthebits.com/arena/XHB/5553/[#4] - '[l[https://battleofthebits.com/arena/XHB/5656/[#5] - '[l[https://battleofthebits.com/arena/XHB/5666/[#6]

'[#[Synth City]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/CastleNes/[CastleNes].
'[l[https://battleofthebits.com/arena/XHB/5105/[#1] - '[l[https://battleofthebits.com/arena/XHB/5143/[#2]

'[#[Fallgear]
The sequel to the Summer Allgear Series, an '[[allgear (format)[allgear] series hosted by '[l[https://battleofthebits.com/barracks/Profile/hanna/[hanna] in lieu of a proper autumn-themed allgear major.
'[l[https://battleofthebits.com/arena/XHB/5166/[#1] - '[l[https://battleofthebits.com/arena/XHB/5196/[#2] - '[l[https://battleofthebits.com/arena/XHB/5219/[#3] - '[l[https://battleofthebits.com/arena/XHB/5247/[#4] - '[l[https://battleofthebits.com/arena/XHB/5293/[#5] - '[l[https://battleofthebits.com/arena/XHB/5328/[#6] - '[l[https://battleofthebits.com/arena/XHB/5366/[#7] - '[l[https://battleofthebits.com/arena/XHB/5400/[#8] - '[l[https://battleofthebits.com/arena/XHB/5423/[#9] - '[l[https://battleofthebits.com/arena/XHB/5452/[#10] - '[l[https://battleofthebits.com/arena/XHB/5470/[#11] - '[l[https://battleofthebits.com/arena/XHB/5488/[#12]

'[#[Press start button]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/CastleNes/[CastleNes].
'[l[https://battleofthebits.com/arena/XHB/5176/[#1] - '[l[https://battleofthebits.com/arena/XHB/5207/[#2] - '[l[https://battleofthebits.com/arena/XHB/5238/[#3] - '[l[https://battleofthebits.com/arena/XHB/5285/[#4] - '[l[https://battleofthebits.com/arena/XHB/5684/[#5]

'[#[Yea Videogame]
A '[[remix (format)[remix] OHB series with samples from different (SNES) videogames hosted by '[l[https://battleofthebits.com/barracks/Profile/damifortune/[damifortune].
'[l[https://battleofthebits.com/arena/XHB/5190/[#1] - '[l[https://battleofthebits.com/arena/XHB/5213/[#2] - '[l[https://battleofthebits.com/arena/XHB/5231/[#3] - '[l[https://battleofthebits.com/arena/XHB/5284/[#4] - '[l[https://battleofthebits.com/arena/XHB/5313/[#5] - '[l[https://battleofthebits.com/arena/XHB/5354/[#6] - '[l[https://battleofthebits.com/arena/XHB/5389/[#7] - '[l[https://battleofthebits.com/arena/XHB/5415/[#8] - '[l[https://battleofthebits.com/arena/XHB/5443/[#9] - '[l[https://battleofthebits.com/arena/XHB/5464/[#10] - '[l[https://battleofthebits.com/arena/XHB/5479/[#11] - '[l[https://battleofthebits.com/arena/XHB/5500/[#12] - '[l[https://battleofthebits.com/arena/XHB/5535/[#13] - '[l[https://battleofthebits.com/arena/XHB/5609/[#14] - '[l[https://battleofthebits.com/arena/XHB/5648/[#15] - '[l[https://battleofthebits.com/arena/XHB/5688/[#16] - '[l[https://battleofthebits.com/arena/XHB/5731/[#17] - '[l[https://battleofthebits.com/arena/XHB/5767/[#18]

Spin-Offs:
'[l[https://battleofthebits.com/arena/XHB/5418/[#5 #2] - '[l[https://battleofthebits.com/arena/XHB/5496/[#3 #2] - '[l[https://battleofthebits.com/arena/XHB/5527/[#10 #2] - '[l[https://battleofthebits.com/arena/XHB/5596/[#6 #2] - '[l[https://battleofthebits.com/arena/XHB/5725/[#1 #2]

'[#[Visufall]
A '[[visuall (format)[visuall] series initially hosted by '[l[https://battleofthebits.com/barracks/Profile/big+lumby/[big lumby] alone. In later rounds, a group of interim hosts was formed, including '[l[https://battleofthebits.com/barracks/Profile/OminPigeonMaster/[OminPigeonMaster], '[l[https://battleofthebits.com/barracks/Profile/sean/[sean], '[l[https://battleofthebits.com/barracks/Profile/CastleNes/[CastleNes], and '[l[https://battleofthebits.com/barracks/Profile/mirageofher/[mirageofher].
'[l[https://battleofthebits.com/arena/XHB/5218/[#1] - '[l[https://battleofthebits.com/arena/XHB/5243/[#2] - '[l[https://battleofthebits.com/arena/XHB/5290/[#3] - '[l[https://battleofthebits.com/arena/XHB/5326/[#4] - '[l[https://battleofthebits.com/arena/XHB/5364/[#5] - '[l[https://battleofthebits.com/arena/XHB/5398/[#6] - '[l[https://battleofthebits.com/arena/XHB/5424/[#7] - '[l[https://battleofthebits.com/arena/XHB/5453/[#8] - '[l[https://battleofthebits.com/arena/XHB/5471/[#9] - '[l[https://battleofthebits.com/arena/XHB/5487/[#10]

'[#[I want battle!]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/CastleNes/[CastleNes].
'[l[https://battleofthebits.com/arena/XHB/5214/[#1] - '[l[https://battleofthebits.com/arena/XHB/5283/[#2]

'[#[Nice costume!]
Halloween-focused '[[visuall (format)[visuall] series hosted by '[l[https://battleofthebits.com/barracks/Profile/OminPigeonMaster/[OminPigeonMaster].
'[l[https://battleofthebits.com/arena/XHB/5224/[#1] - '[l[https://battleofthebits.com/arena/XHB/5254/[#2] - '[l[https://battleofthebits.com/arena/XHB/5460/[#3*]

*not hosted by OPM

'[#[Super Sample Pack Series]
A 2HB '[[remix (format)[remix] series hosted by '[l[https://battleofthebits.com/barracks/Profile/damifortune/[damifortune].
'[l[https://battleofthebits.com/arena/XHB/5303/[#1] - '[l[https://battleofthebits.com/arena/XHB/5407/[#2] - '[l[https://battleofthebits.com/arena/XHB/5440/[#3] - '[l[https://battleofthebits.com/arena/XHB/5474/[#4] - '[l[https://battleofthebits.com/arena/XHB/5604/[#5]

'[#[the extra chips makes it sound more plus]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/TristEndo/[TristEndo].
'[l[https://battleofthebits.com/arena/XHB/5386/[#1] - '[l[https://battleofthebits.com/arena/XHB/5411/[#2] - '[l[https://battleofthebits.com/arena/XHB/5451/[#3]

'[#[Road to Golden Sexmodit]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/kleeder/[kleeder].
'[l[https://battleofthebits.com/arena/XHB/5426/[#1] - '[l[https://battleofthebits.com/arena/XHB/5428/[#2] - '[l[https://battleofthebits.com/arena/XHB/5436/[#3] - '[l[https://battleofthebits.com/arena/XHB/5442/[#4] - '[l[https://battleofthebits.com/arena/XHB/5473/[#5] - '[l[https://battleofthebits.com/arena/XHB/5541/[#6] - '[l[https://battleofthebits.com/arena/XHB/5542/[#7] - '[l[https://battleofthebits.com/arena/XHB/5550/[#8] - '[l[https://battleofthebits.com/arena/XHB/5557/[#9] - '[l[https://battleofthebits.com/arena/XHB/5562/[#10] - '[l[https://battleofthebits.com/arena/XHB/5571/[#11] - '[l[https://battleofthebits.com/arena/XHB/5576/[#12] - '[l[https://battleofthebits.com/arena/XHB/5588/[#13] - '[l[https://battleofthebits.com/arena/XHB/5594/[#14] - '[l[https://battleofthebits.com/arena/XHB/5603/[#15] - '[l[https://battleofthebits.com/arena/XHB/5613/[#16] - '[l[https://battleofthebits.com/arena/XHB/5616/[#17] - '[l[https://battleofthebits.com/arena/XHB/5623/[#18] - '[l[https://battleofthebits.com/arena/XHB/5628/[#19] - '[l[https://battleofthebits.com/arena/XHB/5634/[#20] - '[l[https://battleofthebits.com/arena/XHB/5640/[#21] - '[l[https://battleofthebits.com/arena/XHB/5652/[#22] - '[l[https://battleofthebits.com/arena/XHB/5659/[#23] - '[l[https://battleofthebits.com/arena/XHB/5668/[#24] - '[l[https://battleofthebits.com/arena/XHB/5673/[#25] - '[l[https://battleofthebits.com/arena/XHB/5678/[#26] - '[l[https://battleofthebits.com/arena/XHB/5690/[#27] - '[l[https://battleofthebits.com/arena/XHB/5704/[#28]

'[#[Breakcore]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/XFREDDYxDANGERX/[XFREDDYxDANGERX].
'[l[https://battleofthebits.com/arena/XHB/5434/[#1] - '[l[https://battleofthebits.com/arena/XHB/5691/[#2]

'[#[Transcendence.]
Renoise series hosted by '[l[https://battleofthebits.com/barracks/Profile/ordinate/[ordinate].
'[l[https://battleofthebits.com/arena/XHB/5441/[#1] - '[l[https://battleofthebits.com/arena/XHB/5445/[#2] - '[l[https://battleofthebits.com/arena/XHB/5456/[#3] - '[l[https://battleofthebits.com/arena/XHB/5458/[#4] - '[l[https://battleofthebits.com/arena/XHB/5461/[#5] - '[l[https://battleofthebits.com/arena/XHB/5465/[#6]

'[#[Multi 100]
A series hosted by various BotBrs.
'[l[https://battleofthebits.com/arena/XHB/5493/[#1] - '[l[https://battleofthebits.com/arena/XHB/5494/[#2] - '[l[https://battleofthebits.com/arena/XHB/5495/[#3] - '[l[https://battleofthebits.com/arena/XHB/5519/[#4] - '[l[https://battleofthebits.com/arena/XHB/5520/[#5] - '[l[https://battleofthebits.com/arena/XHB/5521/[#6]

'[#[Winter Allgear Series]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/hanna/[hanna].
'[l[https://battleofthebits.com/arena/XHB/5515/[#1] - '[l[https://battleofthebits.com/arena/XHB/5544/[#2] - '[l[https://battleofthebits.com/arena/XHB/5589/[#3] - '[l[https://battleofthebits.com/arena/XHB/5618/[#4] - '[l[https://battleofthebits.com/arena/XHB/5664/[#5] - '[l[https://battleofthebits.com/arena/XHB/5702/[#6] - '[l[https://battleofthebits.com/arena/XHB/5742/[#7] - '[l[https://battleofthebits.com/arena/XHB/5776/[#8]

'[#[Sample Spotlight]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/damifortune/[damifortune].
'[l[https://battleofthebits.com/arena/XHB/5517/[#1] - '[l[https://battleofthebits.com/arena/XHB/5590/[#2]

'[#[Frosty The Snowman's Creativity Workshop]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/TristEndo/[TristEndo].
'[l[https://battleofthebits.com/arena/XHB/5518/[#1] - '[l[https://battleofthebits.com/arena/XHB/5523/[#2]

'[#[structures]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/sean/[sean].
'[l[https://battleofthebits.com/arena/XHB/5548/[#1] - '[l[https://battleofthebits.com/arena/XHB/5556/[#2] - '[l[https://battleofthebits.com/arena/XHB/5570/[#3] - '[l[https://battleofthebits.com/arena/XHB/5597/[#4]

'[#[you get what you want]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/kleeder/[kleeder].
'[l[https://battleofthebits.com/arena/XHB/5532/[#1] - '[l[https://battleofthebits.com/arena/XHB/5568/[#2] - '[l[https://battleofthebits.com/arena/XHB/5607/[#3] - '[l[https://battleofthebits.com/arena/XHB/5647/[#4] - '[l[https://battleofthebits.com/arena/XHB/5686/[#5] - '[l[https://battleofthebits.com/arena/XHB/5729/[#6] - '[l[https://battleofthebits.com/arena/XHB/5764/[#7]

'[#[journal entry]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/mirageofher/[mirageofher].
'[l[https://battleofthebits.com/arena/XHB/5617/[#1] - '[l[https://battleofthebits.com/arena/XHB/5654/[#2] - '[l[https://battleofthebits.com/arena/XHB/5752/[#3]

'[#[MIDI Monday]
MIDI series hosted by '[l[https://battleofthebits.com/barracks/Profile/Jessica+Robo/[Jessica Robo].
'[l[https://battleofthebits.com/arena/XHB/5626/[#1] - '[l[https://battleofthebits.com/arena/XHB/5669/[#2] - '[l[https://battleofthebits.com/arena/XHB/5757/[#3]

'[#[MIDImoji]
MIDI series hosted by '[l[https://battleofthebits.com/barracks/Profile/damifortune/[damifortune] with a different emoji as bitpack everytime.
'[l[https://battleofthebits.com/arena/XHB/5637/[#1] - '[l[https://battleofthebits.com/arena/XHB/5698/[#2] - '[l[https://battleofthebits.com/arena/XHB/5712/[#3] - '[l[https://battleofthebits.com/arena/XHB/5717/[#4] - '[l[https://battleofthebits.com/arena/XHB/5730/[#5] - '[l[https://battleofthebits.com/arena/XHB/5759/[#6]

'[#[Blob OHB]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/kleeder/[kleeder].
'[l[https://battleofthebits.com/arena/XHB/5645/[#1] - '[l[https://battleofthebits.com/arena/XHB/5646/[#2] - '[l[https://battleofthebits.com/arena/XHB/5665/[#3]

'[#[Secret Sunday]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/Jessica+Robo/[Jessica Robo].
'[l[https://battleofthebits.com/arena/XHB/5658/[#1] - '[l[https://battleofthebits.com/arena/XHB/5701/[#2] - '[l[https://battleofthebits.com/arena/XHB/5741/[#3] - '[l[https://battleofthebits.com/arena/XHB/5778/[#4a] - '[l[https://battleofthebits.com/arena/XHB/5779/[#4b]

'[#[PxTunes]
PxTone series hosted by '[l[https://battleofthebits.com/barracks/Profile/damifortune/[damifortune].
'[l[https://battleofthebits.com/arena/XHB/5661/[#1] - '[l[https://battleofthebits.com/arena/XHB/5743/[#2]

'[#[Road to Golden Wildchip]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/kleeder/[kleeder].
'[l[https://battleofthebits.com/arena/XHB/5709/[#1] - '[l[https://battleofthebits.com/arena/XHB/5716/[#2] - '[l[https://battleofthebits.com/arena/XHB/5722/[#3] - '[l[https://battleofthebits.com/arena/XHB/5733/[#4] - '[l[https://battleofthebits.com/arena/XHB/5745/[#5] - '[l[https://battleofthebits.com/arena/XHB/5749/[#6] - '[l[https://battleofthebits.com/arena/XHB/5770/[#7]

'[#[Division]
Series hosted by '[l[https://battleofthebits.com/barracks/Profile/hqaoqu/[hqaoqu].
'[l[https://battleofthebits.com/arena/XHB/5714/[#1] - '[l[https://battleofthebits.com/arena/XHB/5718/[#2] - '[l[https://battleofthebits.com/arena/XHB/5720/[#3] - '[l[https://battleofthebits.com/arena/XHB/5726/[#4] - '[l[https://battleofthebits.com/arena/XHB/5728/[#5] - '[l[https://battleofthebits.com/arena/XHB/5744/[#6] - '[l[https://battleofthebits.com/arena/XHB/5748/[#7] - '[l[https://battleofthebits.com/arena/XHB/5755/[#8] - '[l[https://battleofthebits.com/arena/XHB/5762/[#9] - '[l[https://battleofthebits.com/arena/XHB/5768/[#10]

'[#[See Also]
'[[Advent Calendar (Battle series)]
'[[Battle]
'[[OHB]
'[[2HB]
'[[4HB]
'[[XHB]