The Game Census
Aokana - Four Rhythms Across the Blue cover art

Aokana - Four Rhythms Across the Blue

sprite · NekoNyan Ltd. · 2019-09-27

SteamAmazon

AdventureCasual

Franchise: Aokana · Modes: Single player · Perspectives: Text

Releases: Aug 21, 2020 (Nintendo Switch), Aug 21, 2020 (PlayStation 4), Sep 27, 2019 (PC (Microsoft Windows)), Aug 16, 2018 (iOS), Feb 25, 2016 (PlayStation Vita), Aug 20, 2018 (Android)

In a world where flying through the sky is as simple as riding a bicycle, the sport "Flying Circus" is all the rage. Following the discovery of anti-gravitons, special shoes that allow an individual to fly, Anti-Graviton Shoes, took the world by storm.

Aokana - Four Rhythms Across the Blue is an Adventure, Casual game released in 2019, priced at $34.99, with an estimated 50,000 .. 100,000 owners and an Overwhelmingly Positive review sentiment (97% of 6588 reviews).

34
playing now
97%
positive of 6.6k reviews
Overwhelmingly Positive
steam's rating (official)
50,000–100,000
owners (SteamSpy est.)
70/100
critic score (1 outlets, IGDB)
80/100
IGDB user rating (8 ratings)
platinum
deck/linux tier (ProtonDB)
Verified
Steam Deck (Valve)
SteamOS: Playable
$34.99
steam price (US)

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

Aokana - Four Rhythms Across the Blue, known in Japan as Ao no Kanata no Four Rhythm , officially abbreviated as Aokana (あおかな) and translated as Four Rhythms Across the Blue, is a Japanese adult visual novel developed by Sprite and released for Windows on November 28, 2014. The game was ported to the PlayStation Vita, PlayStation 4, and Nintendo Switch. The plot follows high school student Masaya Hinata as he coaches fellow students Asuka Kurashina, Misaki Tobisawa, Mashiro Arisaka, and Shion Aoyagi in the sport of "flying circus", wherein competitors travel through the sky via shoes with anti-gravity properties. Depending on the route taken, Masaya can enter a romantic relationship with either Asuka, Misaki, Mashiro, or Rika Ichinose, a student from a rival school and his neighbor.

Trailer

Aokana - Four Rhythms Across the Blue trailer thumbnail

Aokana - Four Rhythms Across the Blue - Announcement Trailer | PS4

≈11,167 YouTube results for this game's trailer search

Health check

Healthy
  • · 34 players in-game at the last census sample.
  • · 279 reviews in the last 8 weeks (~35/week).
  • · Review velocity down 24% vs the prior 8 weeks.
  • · Top 5% of 28,838 Adventure games in the census by review count.
Estimated sales: 165k–395k copies

Review-multiple estimate from 6,588 total reviews — how this is computed.

All-time low: $15.04 at Steam (2026-06-25)via IsThereAnyDeal

12-month high $34.99 · on sale 6 of 12 observed days (census price snapshots)

Review momentum

PositiveNegative
18418420192026Week of 2019-09-01: 88 positiveWeek of 2019-09-01: 3 negativeWeek of 2019-10-01: 184 positiveWeek of 2019-10-01: 5 negativeWeek of 2019-11-01: 182 positiveWeek of 2019-11-01: 1 negativeWeek of 2019-12-01: 90 positiveWeek of 2019-12-01: 1 negativeWeek of 2020-01-01: 98 positiveWeek of 2020-02-01: 132 positiveWeek of 2020-02-01: 2 negativeWeek of 2020-03-01: 124 positiveWeek of 2020-04-01: 76 positiveWeek of 2020-04-01: 3 negativeWeek of 2020-05-01: 43 positiveWeek of 2020-06-01: 56 positiveWeek of 2020-07-01: 116 positiveWeek of 2020-07-01: 4 negativeWeek of 2020-08-01: 75 positiveWeek of 2020-09-01: 55 positiveWeek of 2020-10-01: 31 positiveWeek of 2020-10-01: 1 negativeWeek of 2020-11-01: 88 positiveWeek of 2020-11-01: 1 negativeWeek of 2020-12-01: 69 positiveWeek of 2021-01-01: 88 positiveWeek of 2021-02-01: 85 positiveWeek of 2021-02-01: 2 negativeWeek of 2021-03-01: 62 positiveWeek of 2021-03-01: 1 negativeWeek of 2021-04-01: 50 positiveWeek of 2021-04-01: 1 negativeWeek of 2021-05-01: 27 positiveWeek of 2021-05-01: 1 negativeWeek of 2021-06-01: 50 positiveWeek of 2021-06-01: 1 negativeWeek of 2021-07-01: 99 positiveWeek of 2021-07-01: 2 negativeWeek of 2021-08-01: 65 positiveWeek of 2021-08-01: 3 negativeWeek of 2021-09-01: 46 positiveWeek of 2021-10-01: 42 positiveWeek of 2021-10-01: 1 negativeWeek of 2021-11-01: 73 positiveWeek of 2021-11-01: 2 negativeWeek of 2021-12-01: 75 positiveWeek of 2022-01-01: 64 positiveWeek of 2022-01-01: 3 negativeWeek of 2022-02-01: 61 positiveWeek of 2022-02-01: 2 negativeWeek of 2022-03-01: 40 positiveWeek of 2022-03-01: 1 negativeWeek of 2022-04-01: 37 positiveWeek of 2022-05-01: 44 positiveWeek of 2022-05-01: 2 negativeWeek of 2022-06-01: 36 positiveWeek of 2022-06-01: 1 negativeWeek of 2022-07-01: 72 positiveWeek of 2022-07-01: 2 negativeWeek of 2022-08-01: 63 positiveWeek of 2022-08-01: 3 negativeWeek of 2022-09-01: 52 positiveWeek of 2022-09-01: 4 negativeWeek of 2022-10-01: 30 positiveWeek of 2022-10-01: 2 negativeWeek of 2022-11-01: 48 positiveWeek of 2022-11-01: 1 negativeWeek of 2022-12-01: 139 positiveWeek of 2022-12-01: 2 negativeWeek of 2023-01-01: 176 positiveWeek of 2023-01-01: 2 negativeWeek of 2023-02-01: 61 positiveWeek of 2023-02-01: 2 negativeWeek of 2023-03-01: 51 positiveWeek of 2023-04-01: 39 positiveWeek of 2023-05-01: 38 positiveWeek of 2023-05-01: 1 negativeWeek of 2023-06-01: 45 positiveWeek of 2023-06-01: 2 negativeWeek of 2023-07-01: 78 positiveWeek of 2023-07-01: 2 negativeWeek of 2023-08-01: 111 positiveWeek of 2023-08-01: 5 negativeWeek of 2023-09-01: 47 positiveWeek of 2023-09-01: 4 negativeWeek of 2023-10-01: 59 positiveWeek of 2023-10-01: 2 negativeWeek of 2023-11-01: 49 positiveWeek of 2023-11-01: 2 negativeWeek of 2023-12-01: 67 positiveWeek of 2023-12-01: 5 negativeWeek of 2024-01-01: 49 positiveWeek of 2024-01-01: 1 negativeWeek of 2024-02-01: 84 positiveWeek of 2024-02-01: 2 negativeWeek of 2024-03-01: 61 positiveWeek of 2024-03-01: 2 negativeWeek of 2024-04-01: 44 positiveWeek of 2024-04-01: 1 negativeWeek of 2024-05-01: 50 positiveWeek of 2024-05-01: 1 negativeWeek of 2024-06-01: 48 positiveWeek of 2024-07-01: 73 positiveWeek of 2024-07-01: 4 negativeWeek of 2024-08-01: 63 positiveWeek of 2024-08-01: 1 negativeWeek of 2024-09-01: 41 positiveWeek of 2024-09-01: 3 negativeWeek of 2024-10-01: 58 positiveWeek of 2024-10-01: 1 negativeWeek of 2024-11-01: 40 positiveWeek of 2024-11-01: 2 negativeWeek of 2024-12-01: 64 positiveWeek of 2025-01-01: 55 positiveWeek of 2025-01-01: 1 negativeWeek of 2025-02-01: 45 positiveWeek of 2025-02-01: 1 negativeWeek of 2025-03-01: 81 positiveWeek of 2025-03-01: 1 negativeWeek of 2025-04-01: 41 positiveWeek of 2025-04-01: 1 negativeWeek of 2025-05-01: 34 positiveWeek of 2025-05-01: 1 negativeWeek of 2025-06-01: 47 positiveWeek of 2025-06-01: 4 negativeWeek of 2025-07-01: 51 positiveWeek of 2025-07-01: 1 negativeWeek of 2025-08-01: 47 positiveWeek of 2025-08-01: 4 negativeWeek of 2025-09-01: 37 positiveWeek of 2025-09-01: 16 negativeWeek of 2025-10-01: 41 positiveWeek of 2025-10-01: 3 negativeWeek of 2025-11-01: 36 positiveWeek of 2025-11-01: 3 negativeWeek of 2025-12-01: 38 positiveWeek of 2025-12-01: 2 negativeWeek of 2026-01-01: 28 positiveWeek of 2026-01-01: 3 negativeWeek of 2026-02-01: 30 positiveWeek of 2026-02-01: 3 negativeWeek of 2026-03-01: 48 positiveWeek of 2026-03-01: 2 negativeWeek of 2026-04-01: 20 positiveWeek of 2026-04-01: 1 negativeWeek of 2026-05-01: 29 positiveWeek of 2026-05-01: 1 negativeWeek of 2026-06-01: 24 positiveWeek of 2026-06-01: 2 negativeWeek of 2026-07-01: 48 positiveWeek of 2026-08-01: 38 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

78132026-09-15 02:00 — 19 players2026-09-16 10:00 — 33 players2026-09-17 18:00 — 28 players2026-09-19 01:00 — 28 players2026-09-20 09:00 — 38 players2026-09-21 16:00 — 46 players2026-09-23 00:00 — 13 players2026-09-24 07:00 — 25 players2026-09-25 15:00 — 65 players2026-09-26 22:00 — 18 players2026-09-28 06:00 — 29 players2026-09-29 13:00 — 49 players2026-09-30 21:00 — 19 players2026-10-02 04:00 — 30 players2026-10-03 12:00 — 65 players2026-10-04 20:00 — 22 players2026-10-06 04:00 — 43 players2026-10-07 11:00 — 58 players2026-10-08 19:00 — 18 players2026-10-10 02:00 — 27 players2026-10-11 10:00 — 57 players2026-10-12 17:00 — 31 players2026-10-14 01:00 — 19 players2026-10-14 17:00 — 34 players
Concurrent players, hourly average, last 30 days (census samples).
13823Oct 2019Aug 2026Oct 2019 — avg 138 · peak 440Jan 2020 — avg 49 · peak 115Apr 2020 — avg 34 · peak 81Jul 2020 — avg 57 · peak 130Oct 2020 — avg 23 · peak 67Jan 2021 — avg 47 · peak 107Apr 2021 — avg 29 · peak 71Jul 2021 — avg 63 · peak 154Oct 2021 — avg 32 · peak 71Jan 2022 — avg 53 · peak 123Apr 2022 — avg 36 · peak 92Jul 2022 — avg 56 · peak 128Oct 2022 — avg 29 · peak 68Jan 2023 — avg 98 · peak 317Apr 2023 — avg 40 · peak 106Jul 2023 — avg 65 · peak 152Oct 2023 — avg 51 · peak 177Jan 2024 — avg 52 · peak 132Apr 2024 — avg 44 · peak 132Jul 2024 — avg 58 · peak 126Oct 2024 — avg 49 · peak 162Jan 2025 — avg 59 · peak 135Apr 2025 — avg 52 · peak 140Jul 2025 — avg 54 · peak 141Oct 2025 — avg 41 · peak 113Jan 2026 — avg 40 · peak 105Apr 2026 — avg 42 · peak 123Jul 2026 — avg 47 · peak 103Aug 2026 — avg 37 · peak 89
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Price history

$34.99$15.042019-09-272026-07-092019-09-27 — best price $31.492019-11-01 — best price $34.992019-11-26 — best price $31.492019-12-19 — best price $31.492020-01-27 — best price $34.992020-03-27 — best price $31.492020-07-13 — best price $34.992020-11-25 — best price $26.242021-01-05 — best price $34.992021-06-24 — best price $24.492021-09-20 — best price $34.992021-11-24 — best price $24.492022-01-05 — best price $34.992022-06-23 — best price $17.492022-08-26 — best price $34.992022-12-15 — best price $17.492023-03-23 — best price $34.992023-06-30 — best price $17.492023-10-16 — best price $34.992023-12-22 — best price $17.492024-02-12 — best price $34.992024-05-06 — best price $17.492024-07-11 — best price $34.992024-09-30 — best price $17.492024-11-18 — best price $34.992024-12-19 — best price $16.792025-01-31 — best price $34.992025-03-13 — best price $16.792025-06-06 — best price $34.992025-08-25 — best price $16.792025-10-06 — best price $34.992025-12-18 — best price $16.792026-02-27 — best price $34.992026-05-11 — best price $15.742026-07-09 — best price $34.99
Lowest recorded price across tracked stores, per day (census snapshots).

Attention

100212026-05-30 — 35 pageviews2026-06-03 — 38 pageviews2026-06-07 — 36 pageviews2026-06-11 — 30 pageviews2026-06-15 — 29 pageviews2026-06-19 — 35 pageviews2026-06-23 — 41 pageviews2026-06-27 — 40 pageviews2026-07-01 — 34 pageviews2026-07-05 — 64 pageviews2026-07-09 — 35 pageviews2026-07-13 — 28 pageviews2026-07-17 — 28 pageviews2026-07-21 — 33 pageviews2026-07-25 — 37 pageviews2026-07-29 — 46 pageviews2026-08-02 — 29 pageviews2026-08-06 — 25 pageviews2026-08-10 — 24 pageviews2026-08-14 — 45 pageviews2026-08-18 — 24 pageviews2026-08-22 — 25 pageviews2026-08-26 — 100 pageviews2026-08-30 — 37 pageviews2026-09-03 — 33 pageviews2026-09-07 — 45 pageviews2026-09-11 — 29 pageviews2026-09-15 — 56 pageviews2026-09-19 — 53 pageviews2026-09-23 — 27 pageviews2026-09-27 — 47 pageviews2026-10-01 — 29 pageviews2026-10-05 — 30 pageviews2026-10-08 — 40 pageviews
Daily Wikipedia pageviews (attention proxy, census-recorded).

Completion

22
achievements tracked
62.4%
earned "Rebirth of the Kunahama Academy FC Club"
31.4%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsSingle-playerSteam AchievementsSteam Trading CardsSteam CloudRemote Play on PhoneRemote Play on TabletFamily Sharing6 DLC

3 supported languages: English, Japanese, Simplified Chinese

Post-launch support: 6 DLC released, first 2020-02-06, latest 2023-04-12 (Steam store data)

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)1,44846%22
Switch (Nintendo)390%0

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

FPSCuteNSFWAnimeCasualHentaiMatureSportsRomanceAdventure

Census log

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

Players also track

If My Heart Had WingsEverlasting SummerThe Eden of GrisaiaLife is Strange 2The Song of SayaBlacksad: Under the SkinThe Princess, the Stray Cat, and Matters of the HeartMy Little Sister's Special Place

Similarity via IGDB.

Official site ↗Wikipedia ↗