The Game Census
9-nine-:Episode 4 cover art

9-nine-:Episode 4

PALETTE · Sekai Project · 2021-03-19

Steam

Casual

Modes: Single player · Perspectives: Side view, Text

Releases: Apr 24, 2020 (PC (Microsoft Windows))

Kakeru and his friends uncover the identity of the mastermind behind the incidents in Shiromitsugawa as the story shifts to focus on Noa Yuuki, a girl with a strong sense of justice. What secrets will they uncover about the Artifacts and the bonds that ties them all together?

9-nine-:Episode 4 is a Casual game released in 2021, priced at $19.99, with an owner estimate of 50,000 .. 100,000 and a review sentiment of Overwhelmingly Positive (98% of 1494 reviews).

12
playing now
98%
positive of 1.5k reviews
Overwhelmingly Positive
steam's rating (official)
50,000–100,000
owners (SteamSpy est.)
platinum
deck/linux tier (ProtonDB)
Playable
Steam Deck (Valve)
SteamOS: Playable
$19.99
steam price (US)

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

Health check

Quietly active
  • · 12 players in-game at the last census sample.
  • · 165 reviews in the last 8 weeks (~21/week).
  • · Review velocity down 22% vs the prior 8 weeks.
  • · Top 6% of 29,058 Casual games in the census by review count.

Health tier since 2026-08-31

Estimated sales: 30k–67k copies

Review-multiple estimate from 1,494 total reviews — how this is computed.

All-time low: $7.99 at Steam (2025-12-18)via IsThereAnyDeal

12-month high $19.99 · on sale 5 of 10 observed days (census price snapshots)

Review momentum

PositiveNegative
949420212026Week of 2021-03-01: 94 positiveWeek of 2021-03-01: 2 negativeWeek of 2021-04-01: 63 positiveWeek of 2021-05-01: 54 positiveWeek of 2021-05-01: 2 negativeWeek of 2021-06-01: 24 positiveWeek of 2021-06-01: 1 negativeWeek of 2021-07-01: 38 positiveWeek of 2021-07-01: 3 negativeWeek of 2021-08-01: 20 positiveWeek of 2021-09-01: 12 positiveWeek of 2021-10-01: 19 positiveWeek of 2021-11-01: 28 positiveWeek of 2021-11-01: 1 negativeWeek of 2021-12-01: 21 positiveWeek of 2022-01-01: 29 positiveWeek of 2022-01-01: 2 negativeWeek of 2022-02-01: 30 positiveWeek of 2022-02-01: 1 negativeWeek of 2022-03-01: 20 positiveWeek of 2022-04-01: 24 positiveWeek of 2022-05-01: 12 positiveWeek of 2022-06-01: 15 positiveWeek of 2022-06-01: 1 negativeWeek of 2022-07-01: 28 positiveWeek of 2022-08-01: 19 positiveWeek of 2022-08-01: 1 negativeWeek of 2022-09-01: 15 positiveWeek of 2022-10-01: 12 positiveWeek of 2022-11-01: 18 positiveWeek of 2022-12-01: 25 positiveWeek of 2023-01-01: 29 positiveWeek of 2023-01-01: 1 negativeWeek of 2023-02-01: 16 positiveWeek of 2023-03-01: 15 positiveWeek of 2023-04-01: 9 positiveWeek of 2023-05-01: 12 positiveWeek of 2023-06-01: 11 positiveWeek of 2023-06-01: 1 negativeWeek of 2023-07-01: 28 positiveWeek of 2023-08-01: 23 positiveWeek of 2023-08-01: 1 negativeWeek of 2023-09-01: 8 positiveWeek of 2023-09-01: 1 negativeWeek of 2023-10-01: 12 positiveWeek of 2023-11-01: 10 positiveWeek of 2023-12-01: 8 positiveWeek of 2023-12-01: 2 negativeWeek of 2024-01-01: 18 positiveWeek of 2024-02-01: 17 positiveWeek of 2024-02-01: 1 negativeWeek of 2024-03-01: 29 positiveWeek of 2024-04-01: 17 positiveWeek of 2024-04-01: 1 negativeWeek of 2024-05-01: 18 positiveWeek of 2024-06-01: 15 positiveWeek of 2024-07-01: 23 positiveWeek of 2024-07-01: 1 negativeWeek of 2024-08-01: 31 positiveWeek of 2024-09-01: 16 positiveWeek of 2024-10-01: 14 positiveWeek of 2024-11-01: 20 positiveWeek of 2024-12-01: 38 positiveWeek of 2025-01-01: 44 positiveWeek of 2025-01-01: 2 negativeWeek of 2025-02-01: 34 positiveWeek of 2025-02-01: 1 negativeWeek of 2025-03-01: 24 positiveWeek of 2025-04-01: 23 positiveWeek of 2025-05-01: 32 positiveWeek of 2025-05-01: 1 negativeWeek of 2025-06-01: 22 positiveWeek of 2025-06-01: 1 negativeWeek of 2025-07-01: 33 positiveWeek of 2025-07-01: 1 negativeWeek of 2025-08-01: 32 positiveWeek of 2025-08-01: 1 negativeWeek of 2025-09-01: 14 positiveWeek of 2025-10-01: 31 positiveWeek of 2025-10-01: 1 negativeWeek of 2025-11-01: 19 positiveWeek of 2025-12-01: 31 positiveWeek of 2025-12-01: 2 negativeWeek of 2026-01-01: 31 positiveWeek of 2026-02-01: 20 positiveWeek of 2026-03-01: 15 positiveWeek of 2026-04-01: 14 positiveWeek of 2026-05-01: 6 positiveWeek of 2026-05-01: 2 negativeWeek of 2026-06-01: 6 positiveWeek of 2026-06-01: 1 negativeWeek of 2026-07-01: 33 positiveWeek of 2026-07-01: 4 negativeWeek of 2026-08-01: 18 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

1502026-09-15 02:00 — 6 players2026-09-16 11:00 — 8 players2026-09-17 18:00 — 5 players2026-09-19 02:00 — 3 players2026-09-20 09:00 — 8 players2026-09-21 17:00 — 14 players2026-09-23 00:00 — 0 players2026-09-24 08:00 — 6 players2026-09-25 15:00 — 15 players2026-09-26 23:00 — 4 players2026-09-28 06:00 — 9 players2026-09-29 14:00 — 12 players2026-09-30 21:00 — 2 players2026-10-02 05:00 — 6 players2026-10-03 12:00 — 12 players2026-10-04 21:00 — 4 players2026-10-06 04:00 — 12 players2026-10-07 12:00 — 7 players2026-10-08 19:00 — 5 players2026-10-10 03:00 — 6 players2026-10-11 10:00 — 11 players2026-10-12 18:00 — 9 players2026-10-14 01:00 — 4 players2026-10-14 17:00 — 12 players
Concurrent players, hourly average, last 30 days (census samples).
304Mar 2021Aug 2026Mar 2021 — avg 30 · peak 108May 2021 — avg 9 · peak 25Jul 2021 — avg 10 · peak 26Sep 2021 — avg 4 · peak 11Nov 2021 — avg 5 · peak 23Jan 2022 — avg 8 · peak 22Mar 2022 — avg 5 · peak 16May 2022 — avg 5 · peak 16Jul 2022 — avg 8 · peak 23Sep 2022 — avg 5 · peak 19Nov 2022 — avg 4 · peak 14Jan 2023 — avg 9 · peak 24Mar 2023 — avg 5 · peak 19May 2023 — avg 4 · peak 16Jul 2023 — avg 8 · peak 21Sep 2023 — avg 4 · peak 14Nov 2023 — avg 4 · peak 15Jan 2024 — avg 6 · peak 17Mar 2024 — avg 6 · peak 19May 2024 — avg 6 · peak 19Jul 2024 — avg 10 · peak 27Sep 2024 — avg 9 · peak 29Nov 2024 — avg 6 · peak 19Jan 2025 — avg 11 · peak 31Mar 2025 — avg 10 · peak 32May 2025 — avg 9 · peak 26Jul 2025 — avg 16 · peak 39Sep 2025 — avg 7 · peak 18Nov 2025 — avg 7 · peak 18Jan 2026 — avg 10 · peak 26Mar 2026 — avg 7 · peak 19May 2026 — avg 5 · peak 16Jul 2026 — avg 11 · peak 24Aug 2026 — avg 9 · peak 22
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Price history

$19.99$7.992021-03-202026-07-202021-03-20 — best price $17.992021-04-26 — best price $19.992021-06-24 — best price $16.992021-10-18 — best price $19.992021-11-24 — best price $15.992022-01-05 — best price $19.992022-03-28 — best price $11.992022-07-07 — best price $19.992022-11-22 — best price $9.992023-01-05 — best price $19.992023-03-16 — best price $11.992023-05-15 — best price $19.992023-08-07 — best price $11.992023-10-02 — best price $19.992023-12-21 — best price $11.992024-02-12 — best price $19.992024-05-06 — best price $9.992024-07-11 — best price $19.992024-11-27 — best price $9.992025-01-02 — best price $19.992025-03-03 — best price $9.992025-03-20 — best price $19.992025-06-26 — best price $9.992025-07-21 — best price $19.992025-11-17 — best price $11.992026-01-05 — best price $19.992026-06-25 — best price $7.992026-07-20 — best price $19.99
Lowest recorded price across tracked stores, per day (census snapshots).

Details

WindowsSingle-playerFamily Sharing

2 supported languages: English, Japanese

Player tags

2DGoreAnimeCasualNuditySci-fiCartoonFantasyMysteryColorful

Census log

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

Players also track

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Similarity via IGDB.

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