The Game Census
Quern - Undying Thoughts cover art

Quern - Undying Thoughts

Zadbox Entertainment · Blue Brain Games · 2016-11-28

SteamGOGPlayStation StoreMicrosoft Store

Adventure

Modes: Single player

Releases: Oct 08, 2023 (PlayStation 5), Nov 28, 2016 (PC (Microsoft Windows)), Nov 28, 2016 (Mac), Apr 24, 2020 (Xbox One), Nov 28, 2016 (Linux)

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.

16
playing now
91%
positive of 4.1k reviews
Very Positive
steam rating
500,000–1,000,000
owners (SteamSpy est.)
81/100
IGDB user rating (35 ratings)
platinum
deck/linux tier (ProtonDB)
$24.99
steam price (US)

16 players in-game as of 2026-08-30 02:00 UTC (census sample)

Quern – Undying Thoughts is an adventure video game by Zadbox Entertainment. It runs on Windows, Mac, and Linux. Quern was released for Xbox One on April 24, 2020. The game was developed by four Hungarian graduate students, one of whom lives in the United Kingdom.

Health check

Healthy
  • · 16 players in-game at the last census sample.
  • · 235 reviews in the last 8 weeks (~29/week).
  • · Review velocity down 19% vs the prior 8 weeks.
  • · Top 14% of 11,312 Adventure games in the census by review count.

Health tier since 2026-08-29

Estimated sales: 102k–244k copies

Review-multiple estimate from 4,066 total reviews — how this is computed.

Current store prices

Microsoft Store$19.49
GOG$24.99
lowest across shops (ITAD)$24.99

Deal snapshots via CheapShark, refreshed daily.

All-time low: $3.74 at Steam (2025-06-06) · bundled 1×via IsThereAnyDeal

12-month high $24.99 · on sale 33 of 60 observed days · $15.75 above the all-time low (census price snapshots)

Review momentum

PositiveNegative
13413420182026Week of 2018-01-01: 67 positiveWeek of 2018-01-01: 5 negativeWeek of 2018-02-01: 35 positiveWeek of 2018-02-01: 4 negativeWeek of 2018-03-01: 32 positiveWeek of 2018-03-01: 4 negativeWeek of 2018-04-01: 21 positiveWeek of 2018-04-01: 2 negativeWeek of 2018-05-01: 22 positiveWeek of 2018-05-01: 2 negativeWeek of 2018-06-01: 34 positiveWeek of 2018-06-01: 7 negativeWeek of 2018-07-01: 32 positiveWeek of 2018-07-01: 5 negativeWeek of 2018-08-01: 22 positiveWeek of 2018-08-01: 3 negativeWeek of 2018-09-01: 15 positiveWeek of 2018-09-01: 2 negativeWeek of 2018-10-01: 25 positiveWeek of 2018-10-01: 5 negativeWeek of 2018-11-01: 35 positiveWeek of 2018-12-01: 31 positiveWeek of 2018-12-01: 5 negativeWeek of 2019-01-01: 30 positiveWeek of 2019-01-01: 7 negativeWeek of 2019-02-01: 16 positiveWeek of 2019-02-01: 2 negativeWeek of 2019-03-01: 24 positiveWeek of 2019-03-01: 1 negativeWeek of 2019-04-01: 16 positiveWeek of 2019-04-01: 2 negativeWeek of 2019-05-01: 19 positiveWeek of 2019-05-01: 3 negativeWeek of 2019-06-01: 28 positiveWeek of 2019-07-01: 48 positiveWeek of 2019-07-01: 10 negativeWeek of 2019-08-01: 19 positiveWeek of 2019-09-01: 15 positiveWeek of 2019-09-01: 2 negativeWeek of 2019-10-01: 66 positiveWeek of 2019-10-01: 8 negativeWeek of 2019-11-01: 58 positiveWeek of 2019-11-01: 3 negativeWeek of 2019-12-01: 59 positiveWeek of 2019-12-01: 4 negativeWeek of 2020-01-01: 46 positiveWeek of 2020-01-01: 4 negativeWeek of 2020-02-01: 28 positiveWeek of 2020-02-01: 4 negativeWeek of 2020-03-01: 23 positiveWeek of 2020-03-01: 3 negativeWeek of 2020-04-01: 57 positiveWeek of 2020-04-01: 6 negativeWeek of 2020-05-01: 42 positiveWeek of 2020-05-01: 1 negativeWeek of 2020-06-01: 25 positiveWeek of 2020-06-01: 1 negativeWeek of 2020-07-01: 59 positiveWeek of 2020-07-01: 4 negativeWeek of 2020-08-01: 41 positiveWeek of 2020-08-01: 1 negativeWeek of 2020-09-01: 19 positiveWeek of 2020-09-01: 4 negativeWeek of 2020-10-01: 27 positiveWeek of 2020-10-01: 2 negativeWeek of 2020-11-01: 37 positiveWeek of 2020-11-01: 5 negativeWeek of 2020-12-01: 49 positiveWeek of 2020-12-01: 3 negativeWeek of 2021-01-01: 62 positiveWeek of 2021-01-01: 2 negativeWeek of 2021-02-01: 35 positiveWeek of 2021-02-01: 3 negativeWeek of 2021-03-01: 30 positiveWeek of 2021-03-01: 2 negativeWeek of 2021-04-01: 134 positiveWeek of 2021-04-01: 10 negativeWeek of 2021-05-01: 55 positiveWeek of 2021-05-01: 3 negativeWeek of 2021-06-01: 32 positiveWeek of 2021-06-01: 6 negativeWeek of 2021-07-01: 57 positiveWeek of 2021-07-01: 8 negativeWeek of 2021-08-01: 26 positiveWeek of 2021-08-01: 3 negativeWeek of 2021-09-01: 40 positiveWeek of 2021-09-01: 2 negativeWeek of 2021-10-01: 18 positiveWeek of 2021-10-01: 2 negativeWeek of 2021-11-01: 29 positiveWeek of 2021-11-01: 3 negativeWeek of 2021-12-01: 27 positiveWeek of 2021-12-01: 3 negativeWeek of 2022-01-01: 43 positiveWeek of 2022-01-01: 6 negativeWeek of 2022-02-01: 15 positiveWeek of 2022-02-01: 2 negativeWeek of 2022-03-01: 19 positiveWeek of 2022-03-01: 2 negativeWeek of 2022-04-01: 20 positiveWeek of 2022-04-01: 1 negativeWeek of 2022-05-01: 22 positiveWeek of 2022-05-01: 2 negativeWeek of 2022-06-01: 19 positiveWeek of 2022-06-01: 2 negativeWeek of 2022-07-01: 29 positiveWeek of 2022-07-01: 3 negativeWeek of 2022-08-01: 26 positiveWeek of 2022-08-01: 3 negativeWeek of 2022-09-01: 16 positiveWeek of 2022-09-01: 1 negativeWeek of 2022-10-01: 14 positiveWeek of 2022-10-01: 6 negativeWeek of 2022-11-01: 27 positiveWeek of 2022-11-01: 1 negativeWeek of 2022-12-01: 24 positiveWeek of 2022-12-01: 2 negativeWeek of 2023-01-01: 30 positiveWeek of 2023-01-01: 2 negativeWeek of 2023-02-01: 16 positiveWeek of 2023-02-01: 3 negativeWeek of 2023-03-01: 13 positiveWeek of 2023-03-01: 3 negativeWeek of 2023-04-01: 26 positiveWeek of 2023-04-01: 3 negativeWeek of 2023-05-01: 9 positiveWeek of 2023-05-01: 2 negativeWeek of 2023-06-01: 13 positiveWeek of 2023-07-01: 16 positiveWeek of 2023-07-01: 2 negativeWeek of 2023-08-01: 19 positiveWeek of 2023-08-01: 3 negativeWeek of 2023-09-01: 14 positiveWeek of 2023-09-01: 1 negativeWeek of 2023-10-01: 12 positiveWeek of 2023-10-01: 3 negativeWeek of 2023-11-01: 13 positiveWeek of 2023-11-01: 2 negativeWeek of 2023-12-01: 15 positiveWeek of 2023-12-01: 1 negativeWeek of 2024-01-01: 21 positiveWeek of 2024-01-01: 8 negativeWeek of 2024-02-01: 19 positiveWeek of 2024-03-01: 17 positiveWeek of 2024-03-01: 1 negativeWeek of 2024-04-01: 17 positiveWeek of 2024-05-01: 14 positiveWeek of 2024-05-01: 3 negativeWeek of 2024-06-01: 12 positiveWeek of 2024-06-01: 3 negativeWeek of 2024-07-01: 27 positiveWeek of 2024-07-01: 4 negativeWeek of 2024-08-01: 17 positiveWeek of 2024-08-01: 2 negativeWeek of 2024-09-01: 17 positiveWeek of 2024-09-01: 1 negativeWeek of 2024-10-01: 22 positiveWeek of 2024-10-01: 3 negativeWeek of 2024-11-01: 6 positiveWeek of 2024-11-01: 2 negativeWeek of 2024-12-01: 23 positiveWeek of 2024-12-01: 1 negativeWeek of 2025-01-01: 27 positiveWeek of 2025-01-01: 1 negativeWeek of 2025-02-01: 15 positiveWeek of 2025-03-01: 31 positiveWeek of 2025-03-01: 3 negativeWeek of 2025-04-01: 11 positiveWeek of 2025-05-01: 10 positiveWeek of 2025-05-01: 1 negativeWeek of 2025-06-01: 98 positiveWeek of 2025-06-01: 19 negativeWeek of 2025-07-01: 44 positiveWeek of 2025-07-01: 9 negativeWeek of 2025-08-01: 20 positiveWeek of 2025-08-01: 6 negativeWeek of 2025-09-01: 26 positiveWeek of 2025-09-01: 6 negativeWeek of 2025-10-01: 18 positiveWeek of 2025-10-01: 4 negativeWeek of 2025-11-01: 16 positiveWeek of 2025-11-01: 3 negativeWeek of 2025-12-01: 27 positiveWeek of 2025-12-01: 5 negativeWeek of 2026-01-01: 30 positiveWeek of 2026-01-01: 3 negativeWeek of 2026-02-01: 13 positiveWeek of 2026-02-01: 4 negativeWeek of 2026-03-01: 29 positiveWeek of 2026-03-01: 3 negativeWeek of 2026-04-01: 15 positiveWeek of 2026-04-01: 3 negativeWeek of 2026-05-01: 17 positiveWeek of 2026-05-01: 1 negativeWeek of 2026-06-01: 28 positiveWeek of 2026-06-01: 1 negativeWeek of 2026-07-01: 44 positiveWeek of 2026-07-01: 12 negativeWeek of 2026-08-01: 15 positiveWeek of 2026-08-01: 5 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

3562026-08-06 22:00 — 15 players2026-08-07 06:00 — 8 players2026-08-07 14:00 — 17 players2026-08-07 22:00 — 18 players2026-08-08 06:00 — 11 players2026-08-08 14:00 — 18 players2026-08-08 22:00 — 27 players2026-08-09 06:00 — 14 players2026-08-09 14:00 — 35 players2026-08-09 22:00 — 23 players2026-08-10 06:00 — 11 players2026-08-10 14:00 — 13 players2026-08-10 22:00 — 18 players2026-08-11 06:00 — 13 players2026-08-11 14:00 — 7 players2026-08-12 22:00 — 19 players2026-08-14 05:00 — 15 players2026-08-15 13:00 — 20 players2026-08-16 21:00 — 28 players2026-08-18 05:00 — 6 players2026-08-19 12:00 — 8 players2026-08-20 20:00 — 26 players2026-08-22 03:00 — 7 players2026-08-23 11:00 — 14 players2026-08-24 19:00 — 14 players2026-08-26 03:00 — 13 players2026-08-27 11:00 — 9 players2026-08-28 18:00 — 13 players2026-08-30 02:00 — 16 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$24.99$4.992016-11-292026-08-302016-11-29 — best price $18.742017-07-05 — best price $24.992017-12-12 — best price $12.492018-05-14 — best price $16.242018-10-01 — best price $16.242019-01-04 — best price $24.992019-06-18 — best price $24.992019-10-07 — best price $24.992019-12-11 — best price $9.992020-01-31 — best price $24.992020-04-06 — best price $12.492020-06-25 — best price $7.492020-11-25 — best price $12.492021-03-22 — best price $12.492021-07-08 — best price $24.992022-01-05 — best price $24.992022-05-09 — best price $14.992022-07-25 — best price $8.742022-11-09 — best price $12.492023-01-05 — best price $24.992023-04-10 — best price $24.992023-10-09 — best price $11.242023-12-21 — best price $4.992024-03-21 — best price $24.992024-05-24 — best price $24.992024-07-24 — best price $24.992024-10-08 — best price $24.992024-12-04 — best price $12.492025-02-17 — best price $7.492025-03-20 — best price $24.992025-05-21 — best price $7.492025-07-27 — best price $24.992025-09-25 — best price $7.492025-11-05 — best price $6.242026-01-05 — best price $24.992026-03-11 — best price $6.242026-04-23 — best price $24.992026-06-16 — best price $24.992026-08-03 — best price $6.742026-08-30 — best price $24.99
Lowest recorded price across tracked stores, per day (census snapshots).

Attention

10362026-05-31 — 21 pageviews2026-06-03 — 14 pageviews2026-06-06 — 17 pageviews2026-06-09 — 19 pageviews2026-06-12 — 13 pageviews2026-06-15 — 14 pageviews2026-06-18 — 18 pageviews2026-06-21 — 24 pageviews2026-06-24 — 47 pageviews2026-06-27 — 40 pageviews2026-06-30 — 37 pageviews2026-07-03 — 42 pageviews2026-07-06 — 22 pageviews2026-07-09 — 21 pageviews2026-07-12 — 25 pageviews2026-07-15 — 17 pageviews2026-07-18 — 18 pageviews2026-07-21 — 22 pageviews2026-07-24 — 21 pageviews2026-07-27 — 17 pageviews2026-07-30 — 15 pageviews2026-08-02 — 15 pageviews2026-08-05 — 8 pageviews2026-08-08 — 12 pageviews2026-08-11 — 16 pageviews2026-08-14 — 16 pageviews2026-08-17 — 15 pageviews2026-08-20 — 10 pageviews2026-08-23 — 18 pageviews2026-08-26 — 15 pageviews2026-08-28 — 17 pageviews
Daily Wikipedia pageviews (attention proxy, census-recorded).

Completion

18
achievements tracked
75.2%
earned "First Phase"
30.4%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsmacOSLinuxSingle-playerSteam AchievementsSteam Trading CardsCaptions availablePartial Controller SupportSteam CloudFamily Sharing1 DLC

9 supported languages: English, French, Hungarian, Italian, German, Spanish - Spain, Russian, Czech, Polish

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)2,74419%18
Xbox One (Xbox)23938%16

Players tracked by Exophase (achievement/trophy trackers) — a sample of the player base, not total sales.

Player tags

3DPuzzleMysteryRelaxingAdventureCinematicNarrationSoundtrackStory RichAtmospheric

Census log

Computed from census-recorded observations only — dates are observation dates.

Recent updates

Players also track

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Similarity via IGDB.

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