The Game Census
RaidersSphere4th cover art

RaidersSphere4th

Rectangle · Sekai Project · 2015-06-01

Steam

ActionIndieSimulation

Modes: Single player · Perspectives: Virtual Reality

Releases: Jun 01, 2015 (PC (Microsoft Windows))

In the distant future, humanity has turned Venus into a livable environment. However, not all is well on Venusian soil as political intrigue pushes the way to help a young girl, the ace pilot known as Sonic Venus, to find the whereabouts of her missing father.

RaidersSphere4th is an Action, Indie, and Simulation game released in 2015, priced at $19.99, with an estimated 20,000 to 50,000 owners and a Mostly Positive review sentiment (72% of 188 reviews).

0
playing now
72%
positive of 188 reviews
Mostly Positive
steam's rating (official)
20,000–50,000
owners (SteamSpy est.)
70/100
IGDB user rating (0 ratings)
bronze
deck/linux tier (ProtonDB)
Unknown
Steam Deck (Valve)
SteamOS: 0
$19.99
steam price (US)

0 players in-game as of 2026-10-14 07:00 UTC (census sample)

Health check

Quiet
  • · 0 players in-game at the last census sample.
  • · 12 reviews in the last 8 weeks (~2/week).
  • · Review velocity up 20% vs the prior 8 weeks.
  • · Top 30% of 27,667 Action games in the census by review count.

Health tier since 2026-09-01

Estimated sales: 4.7k–11k copies

Review-multiple estimate from 188 total reviews — how this is computed.

All-time low: $2.99 at Steam (2023-09-25)via IsThereAnyDeal

12-month high $19.99 · on sale 3 of 6 observed days (census price snapshots)

Review momentum

PositiveNegative
5520152026Week of 2015-03-01: 1 positiveWeek of 2015-03-01: 1 negativeWeek of 2015-04-01: 2 positiveWeek of 2015-05-01: 2 positiveWeek of 2015-05-01: 1 negativeWeek of 2015-06-01: 2 positiveWeek of 2015-08-01: 2 positiveWeek of 2015-08-01: 2 negativeWeek of 2015-10-01: 1 positiveWeek of 2015-10-01: 1 negativeWeek of 2015-11-01: 1 positiveWeek of 2015-12-01: 4 positiveWeek of 2016-01-01: 1 positiveWeek of 2016-02-01: 2 positiveWeek of 2016-06-01: 2 positiveWeek of 2016-07-01: 1 positiveWeek of 2016-08-01: 1 positiveWeek of 2016-10-01: 1 negativeWeek of 2016-11-01: 1 positiveWeek of 2016-12-01: 1 positiveWeek of 2017-01-01: 5 positiveWeek of 2017-02-01: 1 positiveWeek of 2017-06-01: 4 positiveWeek of 2017-07-01: 3 positiveWeek of 2017-08-01: 3 positiveWeek of 2017-09-01: 1 positiveWeek of 2017-09-01: 2 negativeWeek of 2017-10-01: 3 positiveWeek of 2017-10-01: 1 negativeWeek of 2017-11-01: 1 positiveWeek of 2017-12-01: 1 positiveWeek of 2018-01-01: 2 positiveWeek of 2018-02-01: 1 positiveWeek of 2018-03-01: 1 positiveWeek of 2018-04-01: 2 positiveWeek of 2018-06-01: 3 positiveWeek of 2018-06-01: 1 negativeWeek of 2018-07-01: 2 positiveWeek of 2018-09-01: 1 positiveWeek of 2018-09-01: 1 negativeWeek of 2018-10-01: 2 positiveWeek of 2018-10-01: 1 negativeWeek of 2018-12-01: 2 negativeWeek of 2019-04-01: 1 positiveWeek of 2019-04-01: 1 negativeWeek of 2019-05-01: 2 positiveWeek of 2019-05-01: 1 negativeWeek of 2019-07-01: 2 positiveWeek of 2019-10-01: 1 negativeWeek of 2020-03-01: 1 positiveWeek of 2020-04-01: 1 positiveWeek of 2020-05-01: 1 positiveWeek of 2020-06-01: 1 negativeWeek of 2020-07-01: 1 negativeWeek of 2020-12-01: 1 positiveWeek of 2021-01-01: 1 positiveWeek of 2021-04-01: 1 positiveWeek of 2021-09-01: 1 negativeWeek of 2021-10-01: 1 positiveWeek of 2022-05-01: 1 negativeWeek of 2022-07-01: 1 positiveWeek of 2022-07-01: 1 negativeWeek of 2022-08-01: 1 positiveWeek of 2022-11-01: 1 negativeWeek of 2022-12-01: 1 positiveWeek of 2023-01-01: 1 positiveWeek of 2023-01-01: 1 negativeWeek of 2023-03-01: 1 negativeWeek of 2023-05-01: 1 positiveWeek of 2024-02-01: 1 positiveWeek of 2024-03-01: 2 positiveWeek of 2024-05-01: 1 negativeWeek of 2024-06-01: 1 positiveWeek of 2024-09-01: 1 positiveWeek of 2024-12-01: 1 positiveWeek of 2025-01-01: 1 positiveWeek of 2025-01-01: 1 negativeWeek of 2025-02-01: 2 negativeWeek of 2025-06-01: 2 positiveWeek of 2025-09-01: 1 positiveWeek of 2025-12-01: 1 positiveWeek of 2026-01-01: 2 positiveWeek of 2026-02-01: 1 positiveWeek of 2026-03-01: 1 positiveWeek of 2026-05-01: 1 positiveWeek of 2026-06-01: 2 positiveWeek of 2026-06-01: 1 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

102026-09-15 08:00 — 0 players2026-09-16 16:00 — 0 players2026-09-18 00:00 — 0 players2026-09-19 07:00 — 0 players2026-09-20 15:00 — 0 players2026-09-21 23:00 — 1 players2026-09-23 06:00 — 0 players2026-09-24 14:00 — 0 players2026-09-25 21:00 — 0 players2026-09-27 05:00 — 0 players2026-09-28 12:00 — 0 players2026-09-29 20:00 — 0 players2026-10-01 03:00 — 0 players2026-10-02 11:00 — 0 players2026-10-03 18:00 — 0 players2026-10-05 02:00 — 1 players2026-10-06 10:00 — 0 players2026-10-07 17:00 — 1 players2026-10-09 01:00 — 0 players2026-10-10 08:00 — 0 players2026-10-11 16:00 — 0 players2026-10-13 00:00 — 0 players2026-10-14 07:00 — 0 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$19.99$2.992015-03-232026-07-092015-03-23 — best price $17.992015-06-11 — best price $17.992015-10-12 — best price $14.992015-12-22 — best price $9.992016-04-29 — best price $9.992016-11-23 — best price $4.992017-03-30 — best price $4.992017-09-25 — best price $4.992017-12-21 — best price $4.992018-06-21 — best price $4.992018-11-21 — best price $5.992019-02-04 — best price $4.992019-04-29 — best price $4.992019-10-28 — best price $9.992019-11-26 — best price $9.992020-01-23 — best price $7.992020-05-21 — best price $9.992020-10-29 — best price $4.992020-11-25 — best price $4.992021-02-11 — best price $7.992021-04-29 — best price $5.992021-07-19 — best price $5.992021-10-28 — best price $4.992021-11-24 — best price $4.992022-01-27 — best price $7.992022-07-18 — best price $4.992022-12-22 — best price $4.992023-05-08 — best price $4.992023-09-25 — best price $2.992023-12-04 — best price $9.992024-03-14 — best price $5.992024-06-27 — best price $3.992024-12-19 — best price $4.992025-03-13 — best price $2.992025-09-29 — best price $3.992026-03-19 — best price $5.992026-07-09 — best price $19.99
Lowest recorded price across tracked stores, per day (census snapshots).

Details

WindowsSingle-playerVR SupportedSteam Trading CardsVR SupportPartial Controller SupportFamily Sharing

1 supported languages: English

Player tags

AnimeIndieActionArcadeFlightSci-fiSimulationStory RichFemale Protagonist

Census log

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

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Similarity via IGDB.

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