The Game Census
Zen of Sudoku cover art

Zen of Sudoku

Unknown Worlds Entertainment · 2006-12-14

Steam

CasualIndie

Modes: Single player

Releases: Dec 14, 2006 (PC (Microsoft Windows))

From the creators of Natural Selection comes Zen of Sudoku, a relaxing, easy to play version of Sudoku for your PC.Relax with hand-painted Japanese-styled backgrounds, no timer and lush natural soundscapes.Stimulates your brain to keep it healthy and alert.

7
playing now
89%
positive of 377 reviews
Very Positive
steam rating
20,000–50,000
owners (SteamSpy est.)
80/100
IGDB user rating (2 ratings)
platinum
deck/linux tier (ProtonDB)
Free
steam price (US)

7 players in-game as of 2026-08-30 12:00 UTC (census sample)

Unknown Worlds Entertainment, Inc. is an American video game developer based in San Francisco. The studio is best known for the Natural Selection and Subnautica series. In October 2021, the studio was acquired by South Korean video game developer Krafton.

Health check

Insufficient data
  • · Not enough review history collected yet to judge health.
  • · Top 34% of 9,582 Casual games in the census by review count.

All-time low: $1.24 at Steam (2013-11-27)via IsThereAnyDeal

Players online

1022026-08-12 00:00 — 7 players2026-08-12 16:00 — 5 players2026-08-13 07:00 — 6 players2026-08-13 23:00 — 7 players2026-08-14 15:00 — 7 players2026-08-15 07:00 — 10 players2026-08-15 23:00 — 9 players2026-08-16 15:00 — 7 players2026-08-17 07:00 — 5 players2026-08-17 22:00 — 8 players2026-08-18 14:00 — 6 players2026-08-19 06:00 — 6 players2026-08-19 22:00 — 8 players2026-08-20 14:00 — 3 players2026-08-21 05:00 — 2 players2026-08-21 21:00 — 5 players2026-08-22 13:00 — 6 players2026-08-23 05:00 — 3 players2026-08-23 20:00 — 7 players2026-08-24 12:00 — 4 players2026-08-25 04:00 — 6 players2026-08-25 20:00 — 8 players2026-08-26 12:00 — 7 players2026-08-27 05:00 — 9 players2026-08-27 21:00 — 7 players2026-08-28 13:00 — 4 players2026-08-29 06:00 — 5 players2026-08-30 12:00 — 7 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$4.99$0.002015-01-012017-12-162015-01-01 — best price $4.992015-11-25 — best price $2.492015-12-01 — best price $4.992015-12-22 — best price $2.492016-01-04 — best price $4.992016-02-05 — best price $2.492016-02-12 — best price $4.992017-12-16 — best price $0.00
Lowest recorded price across tracked stores, per day (census snapshots).

Attention

681702026-06-01 — 591 pageviews2026-06-04 — 409 pageviews2026-06-07 — 344 pageviews2026-06-10 — 245 pageviews2026-06-13 — 219 pageviews2026-06-16 — 200 pageviews2026-06-19 — 164 pageviews2026-06-22 — 266 pageviews2026-06-25 — 167 pageviews2026-06-28 — 168 pageviews2026-07-01 — 681 pageviews2026-07-04 — 208 pageviews2026-07-07 — 312 pageviews2026-07-10 — 242 pageviews2026-07-13 — 166 pageviews2026-07-16 — 118 pageviews2026-07-19 — 103 pageviews2026-07-22 — 114 pageviews2026-07-25 — 70 pageviews2026-07-28 — 122 pageviews2026-07-31 — 110 pageviews2026-08-03 — 104 pageviews2026-08-06 — 103 pageviews2026-08-09 — 75 pageviews2026-08-12 — 80 pageviews2026-08-15 — 95 pageviews2026-08-18 — 99 pageviews2026-08-21 — 92 pageviews2026-08-24 — 112 pageviews2026-08-27 — 99 pageviews2026-08-28 — 90 pageviews
Daily Wikipedia pageviews (attention proxy, census-recorded).

Details

WindowsSingle-playerFamily Sharing

1 supported languages: English

Player tags

IndieCasualPuzzleRelaxingFree to PlaySingleplayer

Census log

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

Players also track

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Similarity via IGDB.

Official site ↗