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Miasma Chronicles

Miasma Chronicles

From the creators of Mutant Year Zero: Road to Eden comes a beautifully crafted tactical adventure you won’t forget. Embark on a quest across a post-apocalyptic wasteland torn apart by a savage force known only as the ‘Miasma’.

Released May 23, 2023 Developer The Bearded Ladies Publisher 505 Games Official Platforms Windows Tactical RPGTurn-Based StrategyTacticalActionTurn-Based Tactics
View on Steam ↗ $34.99 (US · as of 2026-07-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.

79.3%positive2,314 reviews
Recommended · 22 found this helpful

“I was looking for something similar to Mutant Year Zero, and this seemed to be exactly what I wanted. Miasma Chronicles is really close to MYZ, but much, much bigger. I'd say the world is three times bigger, give or take. I really enjoyed it, but in many ways it takes some…”

— a player, Steam review · 20 hrs played
Recommended · 7 found this helpful

“This is a masterpiece in my opinion. It features an interesting and timely story, very good combat mechanics, progression, and balanced abilities... I hope the creators will produce many more games like this!”

— a player, Steam review · 86 hrs played
Not recommended · 8 found this helpful

“An incredible crash simulator! Thousands of ways to crash, all different, all fascinating. Will the game crash due to an Unreal Engine error? Or will you have to force it to shut down because a character is stuck? And the best part is that this game is honestly interesting…”

— a player, Steam review · 22 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-11 13:48 UTC · history via SteamCharts.

47playing at last check
5424-hour peak
1,369all-time peak
0 500 1k 2024 2025 2026 845 avg · May 2023

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.

51achievements
23.7%median completion
1.6%rarest: QA Has Suffered! (Redux)
90.3% of players 68.2% of players 65.1% of players 60.8% of players 52.8% of players 45.1% of players 44.0% of players 42.5% of players 40.7% of players 40.7% of players 40.5% of players 40.4% of players 38.9% of players 37.2% of players 36.8% of players 35.8% of players 34.2% of players 33.6% of players 32.9% of players 29.9% of players 29.6% of players 29.4% of players 28.9% of players 28.5% of players 26.5% of players 23.7% of players 23.6% of players 23.1% of players 18.2% of players 18.2% of players 16.4% of players 13.9% of players 13.8% of players 12.8% of players 11.8% of players 11.6% of players 8.9% of players 8.0% of players 7.8% of players 7.7% of players 7.7% of players 7.1% of players 6.6% of players 4.4% of players 3.4% of players 3.3% of players 2.7% of players 2.6% of players 2.3% of players 1.6% of players 1.6% of players 90.3% 0% most earned rarest
Almost everyone has
90.3%First Blood — Successfully complete your first tactical encounter.
68.2%Ranidaphobia — Kill 20 Frog Monsters.
65.1%Aspiring Editor — Collect the Miasma Vortex.
Rarest badges of honor
1.6%QA Has Suffered! (Redux) — Complete the game on 'Alpha Editor' difficulty with 'Full Tactical' mode enabled.
1.6%Alpha Editor — Complete the game in 'Alpha Editor' difficulty.
2.3%Fratricide — Kill a Whisperer with a Sapling Grenade.

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.

$34.99current · sampled 2026-07-26 08:39 UTC
$34.99lowest since tracking began2026-07-11
US34.99 USD
EU34.99 EUR
UK29.99 GBP
Australia50.95 AUD
Canada44.99 CAD
Japan3,900 JPY
Brazil108.99 BRL
China128.00 CNY

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

China≈$19 Brazil Japan Canada US Australia EU UK≈$40

Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.

$0 $25 $50 07-11 07-13 07-16 07-19 07-22 07-26

Latest official news

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

Jan 02, 2024
Miasma Chronicles x The Lamplighters League Bundle

We’ve teamed up with Hairbrained Schemes to bring you another turn-based tactical bundle the post - the Miasma Chronicles x The Lamplighters League Bundle. 505.games/MiasmaLamplightersLeagueBundle Mia

Dec 14, 2023
Miasma Chronicles x Red Solstice 2: Survivors Bundle

We’ve teamed up with the wonderful folks over at Ironward to bring you the best turn-based tactical bundle the post-apocalyptic world has ever seen – the Miasma Chronicles x Red Solstice 2: Survivors

Nov 22, 2023
Save 60% in the Steam Autumn Sale - NOW ON!

We care. We share. We Illuminate America... WITH SAVINGS Get 60% OFF Miasma Chronicles in the Steam Autumn Sale NOW! 💡 https://store.steampowered.com/app/1649010/Miasma_Chronicles/?utm_campaign=Autumn

Sep 18, 2023
Miasma Chronicles: Desktop Wallpapers

To celebrate #505CommunityPlays, we've got some brand-new desktop wallpapers from the world of Miasma Chronicles Download NOW! We want to celebrate all your setups, so don your favourite wallpaper, ta

Sep 14, 2023
Character Profile – Bha Mahdi

Powerful, spellbinding, and unsympathetic, Bha Mahdi is determined to mould Elvis into the warrior she knows he is really. Bha Mahdi is a legendary warrior-witch and the last of the Bha’s: female sorc

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-20.

GenresAction, Strategy
Player tagsTactical RPG · Turn-Based Strategy · Tactical · Action · Turn-Based Tactics · Strategy · Action-Adventure · Cinematic · Third Person · America · Atmospheric · Dystopian (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Full controller support · Steam Cloud · Family Sharing
LanguagesEnglish * , French, Italian, German, Spanish - Spain, Japanese, Korean, Polish, Portuguese - Brazil, Russian, Simplified Chinese, Traditional Chinese *
ControllerFull support
Achievements51
Estimated owners100,000 – 200,000 (SteamSpy)
Official sitehttps://miasmachronicles.com/
Minimum system requirements (PC)

Minimum: OS: Windows 10 or newer Processor: Intel Core i5-4590 or AMD FX 8350 Memory: 8 GB RAM Graphics: NVIDIA GTX 970 or AMD Radeon R9 290 or Intel Arc A380 Storage: 30 GB available space Additional Notes: SSD (Preferred)