Steam app 3436030 · updated 12 Sep 2026, 20:53 UTC
Slay giant bosses and turn the hollow wasteland into the almighty kingdom! Endlessly rewarding incremental game where you collect fountains of rare loot, unleash crazy combos and watch the monsters fall under your knees. Boss Rush that keeps on going when you're gone!
719 hourly samples, with the daily peak drawn over them. Weekends are shaded.
13 months, September 2025 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, 435 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, 284 hourly samples. Each dip is a night. Weekends are shaded.
IDLE BOSS RUSH was released on 29 Sep, 2025.
| Language | Full audio |
|---|---|
| English | |
| French | |
| Japanese | |
| Korean | |
| Polish | |
| Simplified Chinese |
A blank audio cell means full audio was not marked in the returned language list.
89 achievements in total.
15 developer announcements, Jun 2025 to Aug 2026 · times in UTC
HOTFIX 1.3.7 - Fixed an issue with the weather achievement - Fixed hard prestige and quit buttons not working in certain circumstances - Replaced LMB reference in text with a universal approach - Improved readability in a few places, mostly…
Patch notes(small) UPDATE 1.3.6 - Fixed a bug causing the elemental status effects' tooltips not to appear - Changed how 'Larger UI' works - instead of scaling the entire UI slightly, now it enlarges small texts - When the game is launched on a Steam…
Patch notesUPDATE 1.3 (Ice Giant, Diner, Localization)New Unit, New Structure, Localization for 5 languages, a new, VERY hard Boss Rush. Content!What's new? (v. 1.3.5):- New structure: Diner. Do you have a few spare materials? Why not make a Shish…
Irid GamesUPDATE 1.2 (Strange Tablet, New Item)The main goal of this update is to improve Burn builds and bring back the Strange Tablet “Boss” from the demo. There’s a new item, a new collection, leaderboards for Arena, a few crucial fixes (crashes…
Irid GamesHi everyone!Sorry for the silence since the last update! A few major real-life changes were stacked with the game’s release. For some time, we combined it with working on updates, but at one point, it got overwhelming. We had to step back…
Irid GamesHotfix 1.1.2Fixed an issue where the player could lose a part of the inventory, pets, and item collection progress after a hard prestige.If it did happen to you, please try to load a save via the 'recovery' menu. You can also send us the…
Patch notesUPDATE 1.1.1The main goal of this update is to improve mid-game, by adding more mid-goals between Boss X and Boss Y. Added a way to change your advisors (but it's not easy to get). Reworked weather damage calculations. A few additional…
Irid GamesUpdate 1.0.6Addressing your feedbackThis update brings often-requested improvements: an option to buy max affordable upgrades with a single click, removes the hard cap on residents, improves the save system, chest flood prevention, and…
Irid GamesAnother update, this time tackling issues with saves getting corrupted (usually in case of power loss), zooming out after a hard prestige, gems limit, Warriors' crit damage, Hexgaze ability duration, and a lot of bugfixes. Update v. 1.0.5…
Irid GamesThe first update is now available, resolving the most critical issues.Update v. 1.0.4Fixed Marketplace deleting item upgrades if all copies were tradedFixed memory leak present in exp/level/other text popups and in damage numbersFixed the…
Irid GamesIMPORTANTThere's a bug with Marketplace that when you trade every copy of an item, you lose it, including upgrades, after restarting the game.,In later stages, you might experience a memory leak, probably related to damage numbers. A…
Irid GamesThanks for all the hype, wishlists and feedback! We're forever grateful! Enjoy the game!Ada & Mike
Irid GamesHey, thank you for 30K wishlists!We've updated all screenshots, so check them out if you are interested in Skill Tree, new Bosses, etc.Now, let's answer the often asked questions: price, content, and demo progress.**PRICE**at -10% for the…
Irid GamesYou might have thought, 'man, these lazy devs don't post any updates, surely they took a long vacation.' In reality, we were so locked in on the production that we neglected this part. Now that Q3 is almost over, it's time to finally reveal…
Irid GamesOver the past few weeks, we’ve been focused on improving the IDLE BOSS RUSH demo, based on feedback from players like you. Thanks so much to everyone who took the time to share their thoughts - it’s been a huge help!If you’d like to try the…
Irid GamesWhat Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | IDLE BOSS RUSH.exe | any |
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 | Irid Games/IDLE BOSS RUSH | *.dat |
WinAppDataLocalLow | Irid Games/IDLE BOSS RUSH | *.dat.bak |
It runs on public data and somebody's spare time.
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