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

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.

48
playing now
97%
positive of 6.6k reviews
Overwhelmingly Positive
steam rating
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)
$34.99
steam price (US)

48 players in-game as of 2026-08-30 07:00 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.

Health check

Healthy
  • · 48 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 11% of 11,312 Adventure games in the census by review count.
Estimated sales: 164k–394k copies

Review-multiple estimate from 6,572 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 7 of 15 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

70142026-08-11 22:00 — 17 players2026-08-12 13:00 — 57 players2026-08-13 05:00 — 48 players2026-08-13 21:00 — 16 players2026-08-14 13:00 — 46 players2026-08-15 05:00 — 35 players2026-08-15 20:00 — 21 players2026-08-16 12:00 — 53 players2026-08-17 04:00 — 36 players2026-08-17 20:00 — 17 players2026-08-18 12:00 — 54 players2026-08-19 04:00 — 30 players2026-08-19 20:00 — 25 players2026-08-20 11:00 — 39 players2026-08-21 03:00 — 21 players2026-08-21 19:00 — 21 players2026-08-22 11:00 — 42 players2026-08-23 02:00 — 31 players2026-08-23 18:00 — 30 players2026-08-24 10:00 — 37 players2026-08-25 02:00 — 28 players2026-08-25 18:00 — 37 players2026-08-26 10:00 — 32 players2026-08-27 02:00 — 14 players2026-08-27 18:00 — 33 players2026-08-28 07:00 — 42 players2026-08-28 23:00 — 20 players2026-08-29 15:00 — 70 players2026-08-30 07:00 — 48 players
Concurrent players, hourly average, last 30 days (census samples).

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

126202026-05-30 — 35 pageviews2026-06-02 — 39 pageviews2026-06-05 — 53 pageviews2026-06-08 — 40 pageviews2026-06-11 — 30 pageviews2026-06-14 — 20 pageviews2026-06-17 — 35 pageviews2026-06-20 — 48 pageviews2026-06-23 — 41 pageviews2026-06-26 — 126 pageviews2026-06-29 — 35 pageviews2026-07-02 — 29 pageviews2026-07-05 — 64 pageviews2026-07-08 — 36 pageviews2026-07-11 — 30 pageviews2026-07-14 — 30 pageviews2026-07-17 — 28 pageviews2026-07-20 — 40 pageviews2026-07-23 — 32 pageviews2026-07-26 — 48 pageviews2026-07-29 — 46 pageviews2026-08-01 — 46 pageviews2026-08-04 — 38 pageviews2026-08-07 — 23 pageviews2026-08-10 — 24 pageviews2026-08-13 — 28 pageviews2026-08-16 — 38 pageviews2026-08-19 — 28 pageviews2026-08-22 — 25 pageviews2026-08-25 — 82 pageviews2026-08-26 — 100 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

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.

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 Heart

Similarity via IGDB.

Official site ↗Wikipedia ↗