Steam app 1742020 · updated 12 Sep 2026, 21:18 UTC
Made by hololive fans, for hololive fans. Idol Showdown is the definitive fan-made hololive fighting game experience, powered by rollback netcode. Engage in exciting duels as your favorite hololive talent and prove once and for all who the strongest idol is using the game’s easy-to-learn controls.
702 hourly samples, with the daily peak drawn over them. Weekends are shaded.
41 months, May 2023 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.
The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.
31 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
31 days as the curve, each the highest figure that day. Behind it, 421 hourly samples from 13 Aug, which is as far back as the source keeps every hour. Weekends are shaded.
12 days as the curve, each the highest figure that day. Behind it, 281 hourly samples. Each dip is a night. Weekends are shaded.
Idol Showdown was released on 5 May, 2023.
| Language | Full audio |
|---|---|
| English | ● |
| Japanese |
A blank audio cell means full audio was not marked in the returned language list.
Biboo DLC Trailer
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holo Indie Publisher Sale Trailer
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Koyori DLC Trailer
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Ina DLC Trailer
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Idol Showdown Next Fes: Overview Trailer
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Launch Trailer
Watch on Steam50 developer announcements, Feb 2025 to Jun 2026 · times in UTC
Bijou: - 214: Fixed bug where this move would reset the combo counter in some juggle combos. - 214: Fixed bug where this move could instantly be air teched in some scenarios. System: - We observed several instances of grey health-dealing…
Patch notesBijou: - j.S/j.214L/j.214M: Fixed bug where the move spent a bar of meter on use. Shop: - Multiple fixes to inconsistencies between character cosplays displayed and bought.
Patch notesNew Character and Collabs!Koseki Bijou from Hololive English: Advent has been added to the roster! Bijou is a sturdy brawler who bulldozes her way through the opponent. She rocks a solid combination of armor and guard-pulverizing offense…
retroNews banner update! EVOJP 2026に参加しよう！! (5/2(土) 10:30) https://tonamel.com/competition/HVOVQ Sign up for Combo Breaker 2026!! (May 22-24) https://www.start.gg/tournament/all-in-together-2026-combo-breaker-community-tournaments/details…
Patch notesAki: - teleporting is cool - projectiles go brrrAyame: - ghosts are scary they should do damage - rekka is a super cool move - i like playing strike throw with ayamrBotan - guns are unfair in a fighting game - i like the shopping cartCoco…
retroNetworking: - Various adjustments to avoid desyncs and disconnections.
Patch notesNews banner update! Tournaments: Texas Showdown 2026: Mar 27 - Mar 29 https://www.start.gg/tournament/texas-showdown-2026-community-events/details TNS Online: Mar 29 https://start.gg/idol Evo Japan 2026: May 1 - May 3…
Patch notesAyame 214H: fixed bug where the rear hurtbox had later projectile invulnerability than the others.
Patch notesSystemBlockstun buffer increased 4 -> 5.Universal overhead: now -5 on block.Superchat reversal: now triggers IPS.Almost all light normals now have reduced meter gain on block. Exceptions are noted where relevant.All EX (1-bar) moves have…
retroNews BannerUpdated with Genesis tournament banner
Patch notesDiscord Integration:Removed discord integration as it was causing hard crashes
Patch notesSecurity: - Patched Unity security vulnerability Online: - Adjusted frametime syncing tolerance Mainmenu: - Added frosty faustings banner
Patch notesOnline: - Reduced networking packet sizes - Adjusted net pauses to reduce one sided rollback
Patch notesMainmenu/Shop: - Restored Mainmenu and Shop to original nextfes assets Gameplay - Fixed issue where Sora hitting A-chan would cause bad things
Patch notesMain menu: Updated news banner Extras: Updated reward codes
Patch notesGameplay: - Fixed issue with Botan where 5m couldn't cancel into 2h
Patch notesSound: - Fixed broken sounds
Patch notesIna: - Adjusted grab to preserve old frame advantage on throw.
Patch notesBlazing Ball Bash: - Resolved issue where matches would sometimes still time out. Koyori: - Resolved issue where some moves had side-dependent vertical velocity adjustments in midair. Ina: - Reworked grab to prevent combos off of the…
Patch notesOnline: - Fixed issue where Blazing Ball Bash wouldn't display for spectators
Patch notesBotan: - 5M~M: fixed bug where second half of the move could no longer be canceled into 6M.
Patch notesBlazing ball bash: 1. The Timer has been removed from the Blazing ball bash gamemode and it will now be infinite. 2.Resolved issue where ball could be knocked "downward" after hitting the top of the net. 3. Resolved issue where certain…
Patch notesBlazing Ball Bash: - Fixed issue where multihits would count as 2 hits - Fixed issue where boss character could be selected in Blazing Ball Bash Main menu: - Added new banner for Evo Gameplay: - Fixed issue where meter UI would be disabled…
Patch notesBLAZING Ball Bash:A new volleyball like gamemode has been added to Idol Showdown!FeaturesOnline/Offline modePractice modeMain Menu:Menu has been overhauled with new holonatsu art and bgmShop:holonatsu Paradise profile backgrounds and custom…
retroGameplay UI - Fixed online connection indicator showing in other gamemodes besides online
Patch notesInput - Fixed issue with keyboard input in gameplay
Patch notesOnline: - Added an indicator for player connection status - Various stability improvements for online
Patch notesOnline - Packet optimizations for online matches
Patch notesOnline - Adjusted desync detector
Patch notesOnline: - Adjusted packet loss logic for better accuracy
Patch notesOnline: - More adjustments to deal with net freezes
Patch notesOnline: - Adjusted networking to better deal with timeouts - Fixed post match that would cause hard freezing
Patch notesOnline - More stability adjustments
Patch notesOnline - Fixed issue where games would hard stop in long distance connections
Patch notesOnline - Fixed issue where desyncs would occur long periods of sent packets were dropped
Patch notesOnline: - More desync stability fixes
Patch notesOnline - Fixed issue with desync detector
Patch notesMain Menu - Updated news banner Online - Various desync fixes
Patch notesOnline - Fixed bug where the game would sometimes crash and require restart if a player left or connection error occurred during an online match. Virtual Frontier - Fixed bug where the 'Definitely Not Poison' achievement could not be…
Patch notesVirtual Frontier - Fixed bug that would cause a hard lock after playing a match
Patch notesPostmatch: - Fixed bug that hard locked the game when selecting P2 in VS AI - Fixed bug that displayed the wrong result in post match Online: - Fixed issue where quickly rematching would hard lock the game - Various fixed for online profile…
Patch notesOffline match: - Fixed bug where inputs would hard lock in post match screen
Patch notesRelease timesFri, June 6th 3PM PST Fri, June 6th 6PM EST Fri, June 6th 10PM GMT Sat, June 7th 5AM WIB Sat, June 7th 7AM JSTNew FeaturesNew CharacterGenius of Two Disciplines: Hakui KoyoriKoyori is a tricky fighter who switches between two…
retroOnline: - Added additional logging for desyncs
Patch notesGameplay: - Reflecting projectiles that have already been reflected will now destroy them. This change resolves multiple desyncs and performance issues related to projectile reflectors.
Patch notesOnline - Increased time before disconnection timeout during connection drops
Patch notesGameplay: - Fixed bug where winning player's death sound is played on round end
Patch notesOnline: - Fixed rollbacks occuring during round end Sound: - Fixed missing sounds for certain characters
Patch notesNews banner: - Updated news banner with updated events/info
Patch notesOnline: - Fixed bug that would cause the host to slow down, causing spectator desyncs
Patch notesWhat Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | Idol Showdown.exe | windows |
The folders Steam Cloud syncs. The root is a token Steam uses for a location on your own machine, not a path this page can know.
| Root | Folder | Files |
|---|---|---|
WinAppDataLocalLow | BestoGameStudios/Idol Showdown/Saves | *.sav |
It runs on public data and somebody's spare time.
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