The Game Census
9th Sentinel Sisters cover art

9th Sentinel Sisters

Live Wire · 2025-09-10

Steam

ActionCasualIndie

Modes: Single player

Releases: Oct 05, 2023 (PC (Microsoft Windows))

The battle of the clone girls unfolds on a post-apocalyptic Earth, devastated by the alien life form known as "Bleed." Pilot the manned weapon "Father" to eliminate enemies. Upgrade weapons, create powerful builds, and strategize to successfully clear stages.

0
playing now
70%
positive of 282 reviews
Mostly Positive
steam rating
50,000–100,000
owners (SteamSpy est.)
pending
deck/linux tier (ProtonDB)
$7.99
steam price (US)

0 players in-game as of 2026-08-30 09:00 UTC (census sample)

A long time ago, an unknown meteorite came to earth. The meteorite was sleeping quietly deep in the earth, waiting for the time to wake up. 10,000 years have passed, and when humans have built civilization, a change occurs in the meteorite. Countless alien "breeds" are born from the meteorite and quickly devour the planet. The true identity of the meteorite was the egg of an alien life form. The land above is destroyed, and national functions disappear. Humanity is defeated. Those left behind are forced to live in sturdy underground shelters. The shelter was named "Ark" and became humani(Storyline via IGDB)

Health check

Insufficient data
  • · Not enough review history collected yet to judge health.
  • · Top 54% of 10,936 Action games in the census by review count.
Estimated sales: 5.6k–13k copies

Review-multiple estimate from 282 total reviews — how this is computed.

All-time low: $3.19 at Steam (2026-06-25)via IsThereAnyDeal

12-month high $7.99 · on sale 3 of 7 observed days (census price snapshots)

Players online

202026-08-11 23:00 — 1 players2026-08-12 15:00 — 1 players2026-08-13 07:00 — 1 players2026-08-13 22:00 — 0 players2026-08-14 14:00 — 0 players2026-08-15 06:00 — 0 players2026-08-15 22:00 — 0 players2026-08-16 14:00 — 0 players2026-08-17 06:00 — 0 players2026-08-17 22:00 — 0 players2026-08-18 13:00 — 2 players2026-08-19 05:00 — 0 players2026-08-19 21:00 — 0 players2026-08-20 13:00 — 1 players2026-08-21 04:00 — 0 players2026-08-21 20:00 — 0 players2026-08-22 12:00 — 0 players2026-08-23 04:00 — 0 players2026-08-23 19:00 — 0 players2026-08-24 11:00 — 0 players2026-08-25 03:00 — 0 players2026-08-25 19:00 — 0 players2026-08-26 11:00 — 0 players2026-08-27 03:00 — 0 players2026-08-27 19:00 — 0 players2026-08-28 08:00 — 0 players2026-08-29 00:00 — 0 players2026-08-29 16:00 — 0 players2026-08-30 09:00 — 0 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$7.99$3.192023-10-062026-07-092023-10-06 — best price $4.992025-09-11 — best price $7.992025-12-18 — best price $3.992026-01-05 — best price $7.992026-03-19 — best price $3.992026-03-26 — best price $7.992026-06-25 — best price $3.192026-07-09 — best price $7.99
Lowest recorded price across tracked stores, per day (census snapshots).

Details

WindowsFull controller supportSingle-playerSteam AchievementsFull controller supportSteam CloudFamily Sharing

4 supported languages: Japanese, English, Simplified Chinese, Traditional Chinese

Player tags

2.5DDarkActionSci-fiControllerFuturisticRogue-liteAtmosphericEarly AccessChoices Matter

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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