The Game Census
東方天空璋 ～ Hidden Star in Four Seasons. cover art

東方天空璋 ～ Hidden Star in Four Seasons.

上海アリス幻樂団 · Mediascape Co., Ltd. · 2017-11-17

Steam

ActionIndie

Franchise: Touhou Project · Modes: Single player · Perspectives: Bird view / Isometric

Releases: Aug 11, 2017 (PC (Microsoft Windows))

桜を見ながら西瓜を割り、紅葉を見ながら鍋をつつく こんな季節に誰がした！ イレギュラーでシーズナルなシューティング幻想！

東方天空璋 ～ Hidden Star in Four Seasons. is an Action and Indie game released in 2017, priced at $14.99, with an owner estimate of 50,000 .. 100,000 and a review sentiment of Overwhelmingly Positive (98% of 4548 reviews).

8
playing now
98%
positive of 4.5k reviews
Overwhelmingly Positive
steam's rating (official)
50,000–100,000
owners (SteamSpy est.)
79/100
IGDB user rating (5 ratings)
platinum
deck/linux tier (ProtonDB)
Playable
Steam Deck (Valve)
SteamOS: Playable
$14.99
steam price (US)

8 players in-game as of 2026-10-14 17:00 UTC (census sample)

Touhou Tenkuushou ~ Hidden Star in Four Seasons is the 16th game in the Touhou Project series. It was announced on the developer ZUN's blog on April 20, 2017. A playable demo was released on May 7, 2017, at Reitaisai 14, and the full version was released at Comiket 92 on August 11, 2017. The game was released on Steam worldwide on November 17, 2017, becoming the first game in the series to be available on the platform.

Health check

Quietly active
  • · 8 players in-game at the last census sample.
  • · 46 reviews in the last 8 weeks (~6/week).
  • · Review velocity down 26% vs the prior 8 weeks.
  • · Current weekly pace is under 5% of the all-time peak week (136 reviews).
  • · Top 7% of 27,808 Action games in the census by review count.

Health tier since 2026-08-30

Estimated sales: 114k–273k copies

Review-multiple estimate from 4,548 total reviews — how this is computed.

Review momentum

PositiveNegative
13013020182026Week of 2018-01-01: 130 positiveWeek of 2018-01-01: 6 negativeWeek of 2018-02-01: 63 positiveWeek of 2018-02-01: 2 negativeWeek of 2018-03-01: 47 positiveWeek of 2018-03-01: 2 negativeWeek of 2018-04-01: 44 positiveWeek of 2018-05-01: 49 positiveWeek of 2018-06-01: 37 positiveWeek of 2018-06-01: 1 negativeWeek of 2018-07-01: 41 positiveWeek of 2018-08-01: 44 positiveWeek of 2018-08-01: 1 negativeWeek of 2018-09-01: 18 positiveWeek of 2018-10-01: 22 positiveWeek of 2018-10-01: 1 negativeWeek of 2018-11-01: 65 positiveWeek of 2018-11-01: 2 negativeWeek of 2018-12-01: 26 positiveWeek of 2018-12-01: 1 negativeWeek of 2019-01-01: 22 positiveWeek of 2019-02-01: 28 positiveWeek of 2019-02-01: 2 negativeWeek of 2019-03-01: 29 positiveWeek of 2019-03-01: 4 negativeWeek of 2019-04-01: 23 positiveWeek of 2019-05-01: 12 positiveWeek of 2019-05-01: 2 negativeWeek of 2019-06-01: 27 positiveWeek of 2019-07-01: 20 positiveWeek of 2019-07-01: 2 negativeWeek of 2019-08-01: 16 positiveWeek of 2019-08-01: 1 negativeWeek of 2019-09-01: 10 positiveWeek of 2019-10-01: 4 positiveWeek of 2019-11-01: 22 positiveWeek of 2019-12-01: 15 positiveWeek of 2020-01-01: 21 positiveWeek of 2020-02-01: 26 positiveWeek of 2020-03-01: 12 positiveWeek of 2020-04-01: 19 positiveWeek of 2020-04-01: 1 negativeWeek of 2020-05-01: 20 positiveWeek of 2020-05-01: 2 negativeWeek of 2020-06-01: 16 positiveWeek of 2020-06-01: 2 negativeWeek of 2020-07-01: 23 positiveWeek of 2020-08-01: 17 positiveWeek of 2020-08-01: 1 negativeWeek of 2020-09-01: 12 positiveWeek of 2020-10-01: 9 positiveWeek of 2020-11-01: 10 positiveWeek of 2020-12-01: 11 positiveWeek of 2021-01-01: 13 positiveWeek of 2021-02-01: 19 positiveWeek of 2021-03-01: 6 positiveWeek of 2021-04-01: 8 positiveWeek of 2021-04-01: 2 negativeWeek of 2021-05-01: 16 positiveWeek of 2021-06-01: 6 positiveWeek of 2021-07-01: 12 positiveWeek of 2021-08-01: 11 positiveWeek of 2021-08-01: 1 negativeWeek of 2021-09-01: 9 positiveWeek of 2021-09-01: 2 negativeWeek of 2021-10-01: 12 positiveWeek of 2021-10-01: 2 negativeWeek of 2021-11-01: 11 positiveWeek of 2021-12-01: 8 positiveWeek of 2022-01-01: 8 positiveWeek of 2022-02-01: 8 positiveWeek of 2022-03-01: 7 positiveWeek of 2022-03-01: 1 negativeWeek of 2022-04-01: 9 positiveWeek of 2022-05-01: 6 positiveWeek of 2022-06-01: 6 positiveWeek of 2022-07-01: 7 positiveWeek of 2022-07-01: 1 negativeWeek of 2022-08-01: 6 positiveWeek of 2022-09-01: 6 positiveWeek of 2022-10-01: 4 positiveWeek of 2022-11-01: 4 positiveWeek of 2022-12-01: 8 positiveWeek of 2023-01-01: 4 positiveWeek of 2023-02-01: 4 positiveWeek of 2023-03-01: 2 positiveWeek of 2023-03-01: 1 negativeWeek of 2023-04-01: 4 positiveWeek of 2023-05-01: 4 positiveWeek of 2023-06-01: 4 positiveWeek of 2023-06-01: 1 negativeWeek of 2023-07-01: 6 positiveWeek of 2023-08-01: 3 positiveWeek of 2023-08-01: 1 negativeWeek of 2023-09-01: 3 positiveWeek of 2023-10-01: 7 positiveWeek of 2023-11-01: 3 positiveWeek of 2023-12-01: 3 positiveWeek of 2024-01-01: 4 positiveWeek of 2024-01-01: 1 negativeWeek of 2024-02-01: 5 positiveWeek of 2024-03-01: 3 positiveWeek of 2024-04-01: 2 positiveWeek of 2024-05-01: 7 positiveWeek of 2024-06-01: 6 positiveWeek of 2024-06-01: 1 negativeWeek of 2024-07-01: 4 positiveWeek of 2024-08-01: 4 positiveWeek of 2024-08-01: 1 negativeWeek of 2024-09-01: 6 positiveWeek of 2024-09-01: 1 negativeWeek of 2024-10-01: 3 positiveWeek of 2024-10-01: 1 negativeWeek of 2024-11-01: 3 positiveWeek of 2024-12-01: 8 positiveWeek of 2024-12-01: 1 negativeWeek of 2025-01-01: 6 positiveWeek of 2025-02-01: 3 positiveWeek of 2025-03-01: 11 positiveWeek of 2025-04-01: 10 positiveWeek of 2025-05-01: 9 positiveWeek of 2025-05-01: 1 negativeWeek of 2025-06-01: 5 positiveWeek of 2025-06-01: 1 negativeWeek of 2025-07-01: 10 positiveWeek of 2025-08-01: 11 positiveWeek of 2025-09-01: 4 positiveWeek of 2025-09-01: 1 negativeWeek of 2025-10-01: 4 positiveWeek of 2025-10-01: 1 negativeWeek of 2025-11-01: 5 positiveWeek of 2025-12-01: 3 positiveWeek of 2026-01-01: 2 positiveWeek of 2026-02-01: 5 positiveWeek of 2026-03-01: 5 positiveWeek of 2026-04-01: 6 positiveWeek of 2026-05-01: 7 positiveWeek of 2026-06-01: 13 positiveWeek of 2026-06-01: 1 negativeWeek of 2026-07-01: 4 positiveWeek of 2026-08-01: 9 positiveWeek of 2026-08-01: 2 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

1522026-09-15 18:00 — 4 players2026-09-17 02:00 — 5 players2026-09-18 09:00 — 5 players2026-09-19 17:00 — 9 players2026-09-21 00:00 — 9 players2026-09-22 08:00 — 6 players2026-09-23 16:00 — 6 players2026-09-24 23:00 — 3 players2026-09-26 07:00 — 10 players2026-09-27 14:00 — 8 players2026-09-28 22:00 — 5 players2026-09-30 05:00 — 3 players2026-10-01 13:00 — 15 players2026-10-02 20:00 — 2 players2026-10-04 04:00 — 13 players2026-10-05 12:00 — 8 players2026-10-06 19:00 — 4 players2026-10-08 03:00 — 6 players2026-10-09 10:00 — 11 players2026-10-10 18:00 — 6 players2026-10-12 02:00 — 10 players2026-10-13 09:00 — 4 players2026-10-14 17:00 — 8 players
Concurrent players, hourly average, last 30 days (census samples).
1124Nov 2017Aug 2026Nov 2017 — avg 112 · peak 501Feb 2018 — avg 24 · peak 49May 2018 — avg 17 · peak 40Aug 2018 — avg 15 · peak 39Nov 2018 — avg 10 · peak 27Feb 2019 — avg 11 · peak 30May 2019 — avg 10 · peak 27Aug 2019 — avg 9 · peak 28Nov 2019 — avg 6 · peak 15Feb 2020 — avg 7 · peak 20May 2020 — avg 9 · peak 27Aug 2020 — avg 7 · peak 20Nov 2020 — avg 5 · peak 17Feb 2021 — avg 6 · peak 18May 2021 — avg 6 · peak 21Aug 2021 — avg 6 · peak 17Nov 2021 — avg 5 · peak 15Feb 2022 — avg 6 · peak 16May 2022 — avg 5 · peak 17Aug 2022 — avg 5 · peak 15Nov 2022 — avg 4 · peak 12Feb 2023 — avg 4 · peak 16May 2023 — avg 5 · peak 13Aug 2023 — avg 5 · peak 16Nov 2023 — avg 4 · peak 16Feb 2024 — avg 5 · peak 16May 2024 — avg 5 · peak 15Aug 2024 — avg 5 · peak 16Nov 2024 — avg 4 · peak 14Feb 2025 — avg 5 · peak 15May 2025 — avg 7 · peak 21Aug 2025 — avg 7 · peak 28Nov 2025 — avg 5 · peak 13Feb 2026 — avg 5 · peak 13May 2026 — avg 6 · peak 19Aug 2026 — avg 7 · peak 18
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Attention

6272026-06-02 — 8 pageviews2026-06-06 — 19 pageviews2026-06-10 — 62 pageviews2026-06-14 — 23 pageviews2026-06-18 — 21 pageviews2026-06-22 — 22 pageviews2026-06-26 — 19 pageviews2026-06-30 — 16 pageviews2026-07-04 — 18 pageviews2026-07-08 — 21 pageviews2026-07-12 — 17 pageviews2026-07-16 — 16 pageviews2026-07-20 — 14 pageviews2026-07-24 — 18 pageviews2026-07-28 — 15 pageviews2026-08-01 — 11 pageviews2026-08-05 — 14 pageviews2026-08-09 — 19 pageviews2026-08-13 — 16 pageviews2026-08-17 — 16 pageviews2026-08-21 — 26 pageviews2026-08-25 — 11 pageviews2026-08-29 — 12 pageviews2026-09-02 — 10 pageviews2026-09-06 — 18 pageviews2026-09-10 — 44 pageviews2026-09-14 — 25 pageviews2026-09-18 — 22 pageviews2026-09-22 — 19 pageviews2026-09-26 — 18 pageviews2026-09-30 — 12 pageviews2026-10-04 — 10 pageviews2026-10-08 — 25 pageviews2026-10-12 — 9 pageviews
Daily Wikipedia pageviews (attention proxy, census-recorded).

Details

WindowsSingle-playerPartial Controller SupportSteam CloudFamily Sharing

1 supported languages: Japanese

Where its players are

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

Player tags

2DCuteFaithIndieArcadeFantasyDifficultLore-RichStory RichBullet Hell

Census log

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

Players also track

Momodora: Reverie Under The MoonlightCelesteTouhou Luna NightsTouHou Makuka Sai ~ Fantastic Danmaku Festival東方紺珠伝 ～ Legacy of Lunatic Kingdom.東方神霊廟 〜 Ten Desires.東方輝針城 〜 Double Dealing Character.東方鬼形獣 〜 Wily Beast and Weakest Creature.

Similarity via IGDB.

Official site ↗Wikipedia ↗