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 · Perspectives: First person

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.

Quern - Undying Thoughts is a 2016 Adventure game priced at $24.99, with Very Positive reviews (91% of 4070 reviews) and an estimated 500,000 .. 1,000,000 owners.

15
playing now
91%
positive of 4.1k reviews
Very Positive
steam's rating (official)
500,000–1,000,000
owners (SteamSpy est.)
81/100
IGDB user rating (35 ratings)
4.46★
PlayStation Store rating (236 ratings)
platinum
deck/linux tier (ProtonDB)
Playable
Steam Deck (Valve)
SteamOS: Playable
$24.99
steam price (US)

15 players in-game as of 2026-10-17 03:00 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.

Trailer

Quern - Undying Thoughts trailer thumbnail

Quern - Undying Thoughts - Trailer

≈15,060 YouTube results for this game's trailer search

Health check

Healthy
  • · 15 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 6% of 30,324 Adventure games in the census by review count.

Health tier since 2026-08-29

Estimated sales: 102k–244k copies

Review-multiple estimate from 4,070 total reviews — how this is computed.

Current store prices

Steam$4.99-80%
GOG$7.49-70%
GOG$7.49-70%
Microsoft Store$19.49

Deal snapshots via CheapShark, refreshed daily.

All-time low: $3.12 at Fanatical (2026-09-14) · bundled 1×via IsThereAnyDeal

12-month high $24.99 · on sale 55 of 98 observed days · $4.37 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

4332026-09-17 13:00 — 16 players2026-09-18 20:00 — 23 players2026-09-20 04:00 — 11 players2026-09-21 11:00 — 20 players2026-09-22 19:00 — 20 players2026-09-24 02:00 — 12 players2026-09-25 10:00 — 9 players2026-09-26 17:00 — 15 players2026-09-28 01:00 — 13 players2026-09-29 08:00 — 6 players2026-09-30 16:00 — 14 players2026-10-01 23:00 — 11 players2026-10-03 07:00 — 17 players2026-10-04 15:00 — 43 players2026-10-05 23:00 — 19 players2026-10-07 06:00 — 14 players2026-10-08 14:00 — 26 players2026-10-09 21:00 — 20 players2026-10-11 05:00 — 11 players2026-10-12 12:00 — 15 players2026-10-13 20:00 — 19 players2026-10-15 03:00 — 3 players2026-10-16 11:00 — 4 players2026-10-17 03:00 — 15 players
Concurrent players, hourly average, last 30 days (census samples).
733Nov 2016Aug 2026Nov 2016 — avg 3 · peak 60Feb 2017 — avg 20 · peak 52May 2017 — avg 14 · peak 43Aug 2017 — avg 16 · peak 45Nov 2017 — avg 38 · peak 111Feb 2018 — avg 27 · peak 88May 2018 — avg 23 · peak 90Aug 2018 — avg 20 · peak 60Nov 2018 — avg 17 · peak 67Feb 2019 — avg 14 · peak 49May 2019 — avg 15 · peak 45Aug 2019 — avg 15 · peak 42Nov 2019 — avg 19 · peak 57Feb 2020 — avg 22 · peak 53May 2020 — avg 22 · peak 54Aug 2020 — avg 18 · peak 62Nov 2020 — avg 16 · peak 56Feb 2021 — avg 23 · peak 64May 2021 — avg 26 · peak 76Aug 2021 — avg 17 · peak 43Nov 2021 — avg 14 · peak 47Feb 2022 — avg 14 · peak 36May 2022 — avg 12 · peak 36Aug 2022 — avg 16 · peak 37Nov 2022 — avg 13 · peak 44Feb 2023 — avg 13 · peak 34May 2023 — avg 9 · peak 25Aug 2023 — avg 10 · peak 31Nov 2023 — avg 11 · peak 37Feb 2024 — avg 12 · peak 41May 2024 — avg 9 · peak 24Aug 2024 — avg 11 · peak 32Nov 2024 — avg 9 · peak 26Feb 2025 — avg 15 · peak 47May 2025 — avg 7 · peak 18Aug 2025 — avg 15 · peak 41Nov 2025 — avg 18 · peak 58Feb 2026 — avg 13 · peak 35May 2026 — avg 12 · peak 39Aug 2026 — avg 16 · peak 43
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Price history

$24.99$3.122016-11-292026-10-172016-11-29 — best price $18.742017-09-18 — best price $16.692018-02-15 — best price $17.492018-07-30 — best price $17.492019-01-04 — best price $24.992019-07-09 — best price $24.992019-11-04 — best price $24.992020-01-24 — best price $16.242020-04-06 — best price $12.492020-08-24 — best price $14.992021-01-04 — best price $24.992021-06-24 — best price $7.492022-01-05 — best price $24.992022-05-23 — best price $13.742022-09-19 — best price $16.242022-12-22 — best price $4.992023-04-10 — best price $24.992023-10-26 — best price $9.992024-01-23 — best price $24.992024-05-13 — best price $24.992024-07-24 — best price $24.992024-10-15 — best price $7.492025-01-02 — best price $24.992025-03-17 — best price $24.992025-05-21 — best price $7.492025-08-15 — best price $7.492025-10-08 — best price $24.992025-12-18 — best price $4.992026-03-11 — best price $6.242026-05-14 — best price $24.992026-07-16 — best price $7.492026-08-29 — best price $19.492026-09-08 — best price $7.492026-09-18 — best price $3.122026-09-28 — best price $24.992026-10-08 — best price $4.992026-10-17 — best price $7.49
Lowest recorded price across tracked stores, per day (census snapshots).

Attention

10372026-05-31 — 21 pageviews2026-06-04 — 23 pageviews2026-06-08 — 14 pageviews2026-06-12 — 13 pageviews2026-06-16 — 12 pageviews2026-06-20 — 16 pageviews2026-06-24 — 47 pageviews2026-06-28 — 44 pageviews2026-07-02 — 21 pageviews2026-07-06 — 22 pageviews2026-07-10 — 13 pageviews2026-07-14 — 22 pageviews2026-07-18 — 18 pageviews2026-07-22 — 30 pageviews2026-07-26 — 12 pageviews2026-07-30 — 15 pageviews2026-08-03 — 15 pageviews2026-08-07 — 10 pageviews2026-08-11 — 16 pageviews2026-08-15 — 21 pageviews2026-08-19 — 15 pageviews2026-08-23 — 18 pageviews2026-08-27 — 9 pageviews2026-08-31 — 11 pageviews2026-09-04 — 14 pageviews2026-09-08 — 14 pageviews2026-09-12 — 13 pageviews2026-09-16 — 15 pageviews2026-09-20 — 19 pageviews2026-09-24 — 13 pageviews2026-09-28 — 12 pageviews2026-10-02 — 26 pageviews2026-10-06 — 32 pageviews2026-10-10 — 19 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

Post-launch support: 1 DLC released, first 2017-03-27 (Steam store data)

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.

Where its players are

Share of Steam reviews by language (top languages measured) — a proxy for where the player base lives.

Player tags

3DPuzzleMysteryRelaxingAdventureCinematicNarrationSoundtrackStory RichAtmospheric

Census log

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

Recent updates

Players also track

Don't Knock TwiceHouse of CaravanRusty Lake HotelOmensight: Definitive EditionUnforeseen IncidentsRusty Lake: RootsA Fisherman's TaleMemorrha

Similarity via IGDB.

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