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IDLE BOSS RUSH

IDLE BOSS RUSH

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!

Released Sep 29, 2025 Developer Irid Games Platforms Windows IncrementalIdlerBuildingStrategyBase Building
View on Steam ↗ $9.99 (US · as of 2026-09-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-25.

67.1%positive839 reviews
Recommended · 2 found this helpful

“tldr: nice game, around 12-16h of content. Doesn't add much to the demo. Imbalanced. Extremely grindy at the end. It's a cool concept and it looks awesome. I remember playing the demo last year and had a blast. But the full game doesn't actually add much. 13 bosses. When you…”

— a player, Steam review · 60 hrs played
Recommended · 0 found this helpful

“Rewarding gameplay and good build diversity!”

— a player, Steam review · 55 hrs played
Not recommended · 5 found this helpful

“The game itself starts out really fun with all the different abilities and ways to beat bosses, the only issue is that once you reach end game there are only 2 viable builds to easily beat the bosses and complete all achievements. Due to this lack of balancing it makes the game…”

— a player, Steam review · 27 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-08 via SteamCharts.

8,574all-time peak
0 1k 2k 2026 1.5k avg · Oct 2025

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.

89achievements
78.4%median completion
21.9%rarest: Hexgaze Slayer
99.1% of players 98.5% of players 98.1% of players 97.8% of players 96.7% of players 96.6% of players 96.4% of players 96.3% of players 95.7% of players 95.7% of players 95.2% of players 93.6% of players 93.6% of players 93.6% of players 92.7% of players 92.3% of players 92.0% of players 91.5% of players 91.5% of players 91.3% of players 90.9% of players 90.8% of players 90.3% of players 90.2% of players 90.0% of players 89.9% of players 89.8% of players 89.5% of players 89.2% of players 86.6% of players 86.4% of players 84.7% of players 84.6% of players 84.5% of players 83.4% of players 83.1% of players 82.6% of players 82.3% of players 82.0% of players 81.5% of players 81.5% of players 81.2% of players 79.6% of players 79.5% of players 78.4% of players 78.4% of players 78.3% of players 78.0% of players 77.9% of players 77.8% of players 77.4% of players 75.7% of players 75.0% of players 71.7% of players 71.2% of players 71.2% of players 67.6% of players 66.9% of players 66.8% of players 65.9% of players 99.1% 0% most earned rarest
Almost everyone has
99.1%Wormhole Worm Conqueror — Defeat Wormhole Worm
98.5%Baronet Brat Conqueror — Hidden achievement
98.1%Fortune I — Earn 10K Gold
Rarest badges of honor
21.9%Hexgaze Slayer — Hidden achievement
22.9%Granodioroth Hunter — Hidden achievement
25.7%Gargolag Slayer — Hidden achievement

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-09-26. Steam prices vary by region — always confirm your local price on Steam.

$9.99current · sampled 2026-09-26 21:12 UTC
$9.99lowest since tracking began2026-09-26
US9.99 USD
EU9.75 EUR
UK9.09 GBP
Australia13.95 AUD
Canada11.99 CAD
Japan1,350 JPY
Brazil37.49 BRL
China42.00 CNY

Regional prices at last sample, in local currency — Steam sets each region's price independently.

China≈$6.3 Brazil Canada Japan Australia US EU UK≈$12

Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-25). Relative comparison only.

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Aug 01, 2026
HOTFIX 1.3.7

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 - Impr

Jul 22, 2026
(small) UPDATE 1.3.6

(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

Apr 20, 2026
UPDATE 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 Tail

Feb 28, 2026
UPDATE 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 (crashe

Jan 23, 2026
ROADMAP - content of the upcoming updates

Hi 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, i

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-25.

GenresCasual, Indie, RPG, Simulation, Strategy
Player tagsIncremental · Idler · Building · Strategy · Base Building · Casual · RPG · Resource Management · Economy · Boss Rush · Management · City Builder (Steam store community voting)
FeaturesSingle-player · Steam Achievements · Steam Trading Cards · Adjustable Text Size · Camera Comfort · Custom Volume Controls · Mouse Only Option · Playable without Timed Input
LanguagesEnglish, French, Japanese, Korean, Polish, Simplified Chinese
Achievements89
Official sitehttps://iridgames.com/
Minimum system requirements (PC)

Minimum: OS: Windows 10 Processor: 2.4 GHz Dual Core Memory: 2 GB RAM Graphics: 512MB of memory Storage: 400 MB available space