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Quern - Undying Thoughts

Quern - Undying Thoughts

Discover the truth about Quern’s past, unfold the mysteries of its present, and be the explorer who shapes its future. Quern introduces reusable puzzle mechanics to the classic genre, making the player think about the game as a whole, and not just as a series of individual challenges.

Released Nov 28, 2016 Developer Zadbox Entertainment Publisher Blue Brain Games, Zadbox Entertainment Platforms Windows · Mac · Linux AdventurePuzzleMysteryAtmosphericExploration
View on Steam ↗ $24.99 (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.

91.6%positive3,544 reviews
Recommended · 4 found this helpful

“A fairly solid recommendation for a flawed but very well made game. Okay, so it's like Myst. Except I don't get to make that comparison, really, because I don't recall exactly how Myst was; because I was a little kid when I played this game on PC and didn't understand sh*t about…”

— a player, Steam review · 14 hrs played
Recommended · 2 found this helpful

“Was really fun and nicely long, with lots of puzzles and a solid storyline. There is a lot of running back and forth, which adds to the exploration, but I sometimes found myself getting lost or forgetting what I needed to do next. Some puzzles were extremely difficult as well,…”

— a player, Steam review · 12 hrs played
Recommended · 2 found this helpful

“This was an excellent puzzle game. A large variety of rather intricate puzzle. Most were absolute hits that i felt such gratification upon solving. The were however some misses. A few puzzles were left up to your own interpretation of things like directions and sound. The…”

— a player, Steam review · 16 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-11 12:38 UTC · history via SteamCharts.

29playing at last check
5324-hour peak
436all-time peak
0 50 100 2017 2019 2021 2023 2025 73 avg · Apr 2021

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.

18achievements
30.3%median completion
6.2%rarest: William Says
75.2% of players 57.8% of players 50.7% of players 45.2% of players 41.9% of players 39.7% of players 37.9% of players 34.1% of players 33.7% of players 30.3% of players 30.0% of players 29.1% of players 26.8% of players 21.9% of players 15.0% of players 11.2% of players 7.6% of players 6.2% of players 75.2% 0% most earned rarest
Almost everyone has
75.2%First Phase — Enter the Professor’s Crystal Lab
57.8%Shipwrecked — Survive the boat ride
50.7%...and don’t forget to water the plants! — Revive the plants in the Gardens
Rarest badges of honor
6.2%William Says — Solve the melody repeat puzzle on your first try
7.6%I’m Blue — Open the lower part of the Crystal Lab without using blue light
11.2%Find What is Hidden II. — Find a secret near the Mine

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.

$24.99current · sampled 2026-07-26 08:39 UTC
$7.49lowest since tracking began2026-07-16
US24.99 USD
EU22.99 EUR
UK18.99 GBP
Australia35.95 AUD
Canada27.99 CAD
Japan2,480 JPY
Brazil45.99 BRL
China78.00 CNY

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

Brazil≈$9.0 China Japan Canada US Australia UK EU≈$26

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.

Jun 26, 2026
Our new game Dimhaven is out now!

Hello Explorers!Our new game, Dimhaven is out now on Steam!Dimhaven is a remote island in the middle of nowhere, covered with mountains, shrouded in mist and desolation. The once lively tourist paradi

Aug 25, 2025
🧩 Puzzle Adventure Classics — Two Legends, One Bundle

Puzzle Adventure Classics Bundle is live! Two acclaimed puzzle adventures plus their evocative soundtracks — now together in one discounted pack! Begin your journey with The House of Da Vinci, the cri

Nov 14, 2024
We are working on something new! Check out Dimhaven!

Looking for some new challenges? We are working on a new puzzle-filled adventure, Dimhaven!We have a playable demo, too! :)Publishing Partnership with Blue Brain Games!Hello everyone,We are excited to

Jun 10, 2024
Dimhaven Demo live now!

Explorers - drum rolls, please! It’s been too long since the once vibrant Dimhaven saw a new visitor, but today the gates finally reopened with the release of the free demo and the start of our Kickst

Jun 09, 2023
Our New Project | Dimhaven Enigmas | Wishlist NOW!

Wishlist now Follow the development Welcome to Dimhaven, a seemingly quiet place where mysteries await and the boundaries of reality blur. Embark on a captivating adventure filled with mind-bending pu

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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.

GenresAdventure
Player tagsAdventure · Puzzle · Mystery · Atmospheric · Exploration · Walking Simulator · Singleplayer · First-Person · Story Rich · Narration · 3D · Investigation (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Steam Trading Cards · Captions available · Partial Controller Support · Steam Cloud · Family Sharing
LanguagesEnglish * , French, Hungarian, Italian, German, Spanish - Spain, Russian, Czech, Polish, Simplified Chinese *
Achievements18
Estimated owners500,000 – 1,000,000 (SteamSpy)
Official sitehttp://querngame.com/
Minimum system requirements (PC)

Minimum: OS *: Windows 7 or higher Processor: Intel Core i3-2100 or AMD equivalent Memory: 3 GB RAM Graphics: NVIDIA GTX 650 2GB or AMD HD7770 2GB Storage: 9 GB available space