The Game Census
Sierra Ops - Space Strategy Visual Novel cover art

Sierra Ops - Space Strategy Visual Novel

Innomen Team · Sekai Project · 2020-01-16

Steam

AdventureCasualIndieStrategy

Modes: Single player · Perspectives: First person, Bird view / Isometric

Releases: Jan 16, 2020 (PC (Microsoft Windows))

Woefully ill-prepared, play as Captain Fahrenheit as they uncover long-lost secrets new and old, while fighting in an impossible war between Earth and Mars.

Sierra Ops - Space Strategy Visual Novel is an Adventure, Casual, Indie, Strategy game released in 2020, priced at $14.99, with an estimated 200,000 .. 500,000 owners and a Very Positive review sentiment (88% of 362 reviews).

2
playing now
88%
positive of 362 reviews
Very Positive
steam's rating (official)
200,000–500,000
owners (SteamSpy est.)
gold
deck/linux tier (ProtonDB)
Playable
Steam Deck (Valve)
SteamOS: Playable
$14.99
steam price (US)

2 players in-game as of 2026-10-15 05:00 UTC (census sample)

After nearly decimating all of mankind over three centuries ago, humanity looked to the stars to rebuild their past glory. With the invention of terraforming technology, self-sustaining, man-made ecosystems and reliable space travel, large off-planet colonies and mining posts were soon established to feed the ever-growing human population. The power of the human race grew. However, with power comes corruption. With corruption comes imbalance. With imbalance comes unrest. With unrest comes war. Play as Captain Junius Fahrenheit, a soldier of the United Terran Vanguard onboard the state-of-the-(Storyline via IGDB)

Health check

Quiet
  • · 2 players in-game at the last census sample.
  • · 2 reviews in the last 8 weeks (~0/week).
  • · Review velocity down 33% vs the prior 8 weeks.
  • · Current weekly pace is under 5% of the all-time peak week (6 reviews).
  • · Top 22% of 29,427 Adventure games in the census by review count.

Health tier since 2026-09-01

Estimated sales: 7.2k–16k copies

Review-multiple estimate from 362 total reviews — how this is computed.

Review momentum

PositiveNegative
6620202026Week of 2020-07-01: 1 positiveWeek of 2020-08-01: 2 positiveWeek of 2020-11-01: 1 positiveWeek of 2021-04-01: 1 negativeWeek of 2021-08-01: 4 positiveWeek of 2021-09-01: 6 positiveWeek of 2021-10-01: 1 positiveWeek of 2021-10-01: 1 negativeWeek of 2021-11-01: 5 positiveWeek of 2021-12-01: 2 positiveWeek of 2022-01-01: 3 positiveWeek of 2022-02-01: 2 positiveWeek of 2022-05-01: 1 negativeWeek of 2022-09-01: 1 negativeWeek of 2022-10-01: 1 positiveWeek of 2022-12-01: 1 positiveWeek of 2023-01-01: 1 negativeWeek of 2023-04-01: 1 positiveWeek of 2023-05-01: 1 positiveWeek of 2023-05-01: 1 negativeWeek of 2023-06-01: 2 positiveWeek of 2024-01-01: 1 negativeWeek of 2024-05-01: 1 negativeWeek of 2024-08-01: 1 positiveWeek of 2026-01-01: 1 positiveWeek of 2026-07-01: 1 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

202026-09-16 07:00 — 0 players2026-09-17 15:00 — 0 players2026-09-18 22:00 — 0 players2026-09-20 06:00 — 2 players2026-09-21 13:00 — 1 players2026-09-22 21:00 — 1 players2026-09-24 04:00 — 2 players2026-09-25 12:00 — 2 players2026-09-26 19:00 — 0 players2026-09-28 03:00 — 0 players2026-09-29 10:00 — 0 players2026-09-30 18:00 — 1 players2026-10-02 01:00 — 0 players2026-10-03 09:00 — 0 players2026-10-04 17:00 — 0 players2026-10-06 01:00 — 1 players2026-10-07 08:00 — 2 players2026-10-08 16:00 — 1 players2026-10-09 23:00 — 1 players2026-10-11 07:00 — 0 players2026-10-12 14:00 — 0 players2026-10-13 22:00 — 2 players2026-10-15 05:00 — 2 players
Concurrent players, hourly average, last 30 days (census samples).
9390Apr 2016Jul 2026Apr 2016 — avg 0 · peak 0Jan 2020 — avg 3 · peak 12Mar 2020 — avg 1 · peak 4May 2020 — avg 1 · peak 5Aug 2020 — avg 1 · peak 3Nov 2020 — avg 1 · peak 2Jan 2021 — avg 1 · peak 3Mar 2021 — avg 1 · peak 3May 2021 — avg 1 · peak 3Jul 2021 — avg 2 · peak 9Sep 2021 — avg 51 · peak 394Nov 2021 — avg 16 · peak 86Jan 2022 — avg 13 · peak 25Mar 2022 — avg 6 · peak 15May 2022 — avg 8 · peak 105Jul 2022 — avg 6 · peak 18Sep 2022 — avg 3 · peak 10Nov 2022 — avg 3 · peak 29Jan 2023 — avg 7 · peak 20Mar 2023 — avg 10 · peak 23May 2023 — avg 1 · peak 5Jul 2023 — avg 3 · peak 24Sep 2023 — avg 2 · peak 5Dec 2023 — avg 3 · peak 24Mar 2024 — avg 2 · peak 6May 2024 — avg 2 · peak 4Jul 2024 — avg 2 · peak 7Sep 2024 — avg 2 · peak 4Mar 2025 — avg 2 · peak 10Jul 2025 — avg 3 · peak 9Sep 2025 — avg 2 · peak 5Jul 2026 — avg 2 · peak 6
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Completion

31
achievements tracked
9.7%
earned "Burn Scars"
2.8%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsFull controller supportSingle-playerSteam AchievementsFull controller supportSteam Trading CardsSteam CloudFamily Sharing4 DLC

1 supported languages: English

Post-launch support: 4 DLC released, first 2020-10-29, latest 2021-06-16 (Steam store data)

Player tags

2DMechsStrategyTop-DownDating SimShoot 'Em UpStrategy RPGVisual NovelTower DefenseChoices Matter

Census log

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

Players also track

PraetoriansPlanetbaseDay of InfamyBad North: Jotunn EditionBANNERMENAge of Empires IV: Anniversary Edition

Similarity via IGDB.

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