The Game Census
Sister’s Secrecy: Arcanum Bloodlines - Premium Edition cover art

Sister’s Secrecy: Arcanum Bloodlines - Premium Edition

Space Monkey International · 1C Company · 2015-05-28

Steam

AdventureCasual

Modes: Single player

Releases: May 28, 2015 (PC (Microsoft Windows))

Welcome to dangerous adventure! Help to find one of the lost twin sisters in the world, where the time has stood still and the magic filled the air.

Sister’s Secrecy: Arcanum Bloodlines - Premium Edition is an Adventure and Casual game priced at $6.99, released in 2015, with an owner estimate of 20,000 .. 50,000 and a Mixed review sentiment (68% of 80 reviews).

1
playing now
68%
positive of 80 reviews
Mixed
steam's rating (official)
20,000–50,000
owners (SteamSpy est.)
platinum
deck/linux tier (ProtonDB)
Unknown
Steam Deck (Valve)
SteamOS: 0
$6.99
steam price (US)

1 players in-game as of 2026-10-14 08:00 UTC (census sample)

Health check

Quiet
  • · 1 players in-game at the last census sample.
  • · 8 reviews in the last 8 weeks (~1/week).
  • · Review velocity up 60% vs the prior 8 weeks.
  • · Top 44% of 28,739 Adventure games in the census by review count.
Estimated sales: 2.0k–4.8k copies

Review-multiple estimate from 80 total reviews — how this is computed.

All-time low: $0.76 at Steam (2025-06-27) · bundled 5×via IsThereAnyDeal

12-month high $6.99 · on sale 9 of 18 observed days (census price snapshots)

Review momentum

PositiveNegative
3320152026Week of 2015-06-01: 1 positiveWeek of 2015-12-01: 1 negativeWeek of 2016-01-01: 2 negativeWeek of 2016-05-01: 1 positiveWeek of 2017-05-01: 1 negativeWeek of 2018-03-01: 1 negativeWeek of 2018-05-01: 1 negativeWeek of 2018-06-01: 1 negativeWeek of 2018-07-01: 1 negativeWeek of 2022-02-01: 1 positiveWeek of 2022-09-01: 1 positiveWeek of 2023-04-01: 1 positiveWeek of 2023-08-01: 1 negativeWeek of 2024-03-01: 1 positiveWeek of 2024-11-01: 1 positiveWeek of 2025-04-01: 1 positiveWeek of 2025-07-01: 1 positiveWeek of 2025-08-01: 2 positiveWeek of 2025-09-01: 2 positiveWeek of 2026-02-01: 2 positiveWeek of 2026-06-01: 3 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

4002026-09-15 09:00 — 1 players2026-09-16 17:00 — 0 players2026-09-18 01:00 — 0 players2026-09-19 08:00 — 0 players2026-09-20 16:00 — 10 players2026-09-22 00:00 — 1 players2026-09-23 07:00 — 2 players2026-09-24 15:00 — 2 players2026-09-25 22:00 — 0 players2026-09-27 06:00 — 0 players2026-09-28 13:00 — 0 players2026-09-29 21:00 — 0 players2026-10-01 04:00 — 1 players2026-10-02 12:00 — 5 players2026-10-03 20:00 — 3 players2026-10-05 04:00 — 1 players2026-10-06 11:00 — 0 players2026-10-07 19:00 — 1 players2026-10-09 02:00 — 1 players2026-10-10 10:00 — 0 players2026-10-11 17:00 — 0 players2026-10-13 01:00 — 0 players2026-10-14 08:00 — 1 players
Concurrent players, hourly average, last 30 days (census samples).
260Jun 2015Aug 2026Jun 2015 — avg 1 · peak 6Aug 2015 — avg 1 · peak 10Oct 2015 — avg 0 · peak 3Dec 2015 — avg 1 · peak 5Feb 2016 — avg 0 · peak 4Apr 2016 — avg 0 · peak 3Jun 2016 — avg 0 · peak 4Aug 2016 — avg 0 · peak 4Oct 2016 — avg 1 · peak 3Dec 2016 — avg 0 · peak 3Feb 2017 — avg 0 · peak 4Apr 2017 — avg 1 · peak 7Jun 2017 — avg 1 · peak 6Aug 2017 — avg 1 · peak 4Oct 2017 — avg 0 · peak 2Dec 2017 — avg 0 · peak 3Feb 2018 — avg 0 · peak 5Apr 2018 — avg 1 · peak 4Jun 2018 — avg 0 · peak 4Aug 2018 — avg 0 · peak 2Oct 2018 — avg 0 · peak 3Dec 2018 — avg 0 · peak 2Feb 2019 — avg 0 · peak 3Apr 2019 — avg 0 · peak 2Jun 2019 — avg 0 · peak 2Aug 2019 — avg 0 · peak 2Nov 2019 — avg 0 · peak 2Sep 2020 — avg 0 · peak 2Jun 2025 — avg 3 · peak 40Aug 2025 — avg 10 · peak 405Nov 2025 — avg 11 · peak 196Jan 2026 — avg 14 · peak 206Apr 2026 — avg 26 · peak 200Jun 2026 — avg 8 · peak 45Aug 2026 — avg 6 · peak 28
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Price history

$6.99$0.762015-05-282026-07-272015-05-28 — best price $5.592015-12-22 — best price $1.742016-06-10 — best price $6.992016-08-31 — best price $6.992016-11-22 — best price $1.752017-01-02 — best price $6.992017-04-10 — best price $6.992017-07-22 — best price $6.992017-11-22 — best price $1.742018-02-15 — best price $1.742018-04-23 — best price $6.992018-10-30 — best price $1.742019-01-04 — best price $6.992019-10-06 — best price $6.992020-01-27 — best price $6.992020-06-25 — best price $1.392020-10-29 — best price $1.392020-12-22 — best price $1.392021-02-11 — best price $1.392021-02-24 — best price $5.132021-04-02 — best price $5.132021-05-29 — best price $5.132021-06-18 — best price $5.132021-08-04 — best price $5.132021-10-01 — best price $5.132021-10-18 — best price $5.132021-11-10 — best price $6.292022-01-06 — best price $6.292022-05-15 — best price $6.992022-07-28 — best price $6.292022-09-07 — best price $6.292022-12-08 — best price $6.992023-03-16 — best price $1.392023-12-21 — best price $1.392024-11-27 — best price $1.742025-08-04 — best price $0.762025-10-27 — best price $0.762026-01-19 — best price $0.762026-06-01 — best price $0.832026-07-27 — best price $6.99
Lowest recorded price across tracked stores, per day (census snapshots).

Details

WindowsSingle-playerSteam Trading CardsFamily Sharing

Player tags

CasualAdventureHidden ObjectPoint & Click

Census log

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

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Similarity via IGDB.