The Game Census
Questerium: Sinister Trinity HD Collector's Edition cover art

Questerium: Sinister Trinity HD Collector's Edition

URSE Games · ESDigital Games · 2015-01-15

Steam

AdventureCasual

Modes: Single player

Releases: Jan 15, 2015 (PC (Microsoft Windows)), Jan 15, 2015 (Mac)

Financed by the banker, the professor builds an evil machine that causes the meteor’s energy to spin out of control, destroying the city and mutating its plants and animals. Citizens are evacuated, but rescuers fail to find and evacuate two children.

Questerium: Sinister Trinity HD Collector's Edition is a 2015 Adventure and Casual game priced at $6.99, with an estimated 20,000 to 50,000 owners and a Very Positive review sentiment (82% of 239 reviews).

0
playing now
82%
positive of 239 reviews
Very Positive
steam's rating (official)
20,000–50,000
owners (SteamSpy est.)
60/100
IGDB user rating (0 ratings)
platinum
deck/linux tier (ProtonDB)
Unknown
Steam Deck (Valve)
SteamOS: 0
$6.99
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.
  • · 9 reviews in the last 8 weeks (~1/week).
  • · Review velocity down 31% vs the prior 8 weeks.
  • · Top 27% of 28,739 Adventure games in the census by review count.

Health tier since 2026-09-01

Estimated sales: 6.0k–14k copies

Review-multiple estimate from 239 total reviews — how this is computed.

All-time low: $0.69 at Steam (2017-06-22)via IsThereAnyDeal

12-month high $6.99 · on sale 21 of 30 observed days (census price snapshots)

Review momentum

PositiveNegative
6620152026Week of 2015-04-01: 2 positiveWeek of 2015-06-01: 2 positiveWeek of 2015-06-01: 1 negativeWeek of 2015-07-01: 1 positiveWeek of 2015-10-01: 4 positiveWeek of 2015-10-01: 2 negativeWeek of 2015-11-01: 1 positiveWeek of 2015-12-01: 1 positiveWeek of 2016-01-01: 3 positiveWeek of 2016-02-01: 1 positiveWeek of 2016-03-01: 3 positiveWeek of 2016-04-01: 1 positiveWeek of 2016-04-01: 1 negativeWeek of 2016-05-01: 1 positiveWeek of 2016-06-01: 1 positiveWeek of 2016-06-01: 1 negativeWeek of 2016-07-01: 4 positiveWeek of 2016-07-01: 3 negativeWeek of 2016-08-01: 3 negativeWeek of 2016-09-01: 4 positiveWeek of 2016-09-01: 1 negativeWeek of 2016-10-01: 2 negativeWeek of 2016-11-01: 2 positiveWeek of 2016-11-01: 1 negativeWeek of 2016-12-01: 2 positiveWeek of 2017-01-01: 4 positiveWeek of 2017-02-01: 2 positiveWeek of 2017-03-01: 1 negativeWeek of 2017-04-01: 1 positiveWeek of 2017-05-01: 1 positiveWeek of 2017-06-01: 2 positiveWeek of 2017-07-01: 2 positiveWeek of 2017-07-01: 2 negativeWeek of 2017-08-01: 1 positiveWeek of 2017-08-01: 2 negativeWeek of 2017-09-01: 2 positiveWeek of 2017-09-01: 1 negativeWeek of 2017-10-01: 3 positiveWeek of 2017-11-01: 1 positiveWeek of 2017-12-01: 3 positiveWeek of 2018-01-01: 6 positiveWeek of 2018-02-01: 2 positiveWeek of 2018-02-01: 2 negativeWeek of 2018-03-01: 1 positiveWeek of 2018-03-01: 1 negativeWeek of 2018-04-01: 1 negativeWeek of 2018-05-01: 3 positiveWeek of 2018-06-01: 2 positiveWeek of 2018-06-01: 1 negativeWeek of 2018-07-01: 1 positiveWeek of 2018-08-01: 1 positiveWeek of 2018-09-01: 1 positiveWeek of 2018-10-01: 2 positiveWeek of 2018-11-01: 2 positiveWeek of 2018-11-01: 1 negativeWeek of 2018-12-01: 2 positiveWeek of 2019-01-01: 1 negativeWeek of 2019-02-01: 1 positiveWeek of 2019-03-01: 2 positiveWeek of 2019-04-01: 1 positiveWeek of 2019-05-01: 2 positiveWeek of 2019-07-01: 2 positiveWeek of 2019-08-01: 2 positiveWeek of 2019-09-01: 1 positiveWeek of 2019-11-01: 2 positiveWeek of 2019-11-01: 1 negativeWeek of 2019-12-01: 2 positiveWeek of 2019-12-01: 1 negativeWeek of 2020-01-01: 2 positiveWeek of 2020-03-01: 1 positiveWeek of 2020-04-01: 1 negativeWeek of 2020-06-01: 1 positiveWeek of 2020-06-01: 1 negativeWeek of 2020-07-01: 2 positiveWeek of 2020-10-01: 1 positiveWeek of 2020-10-01: 1 negativeWeek of 2020-11-01: 2 positiveWeek of 2020-11-01: 1 negativeWeek of 2020-12-01: 1 positiveWeek of 2021-01-01: 1 negativeWeek of 2021-02-01: 2 positiveWeek of 2021-03-01: 1 positiveWeek of 2021-03-01: 1 negativeWeek of 2021-04-01: 2 positiveWeek of 2021-04-01: 1 negativeWeek of 2021-07-01: 2 positiveWeek of 2021-09-01: 2 positiveWeek of 2021-10-01: 1 positiveWeek of 2021-10-01: 1 negativeWeek of 2021-11-01: 3 positiveWeek of 2022-03-01: 1 positiveWeek of 2022-05-01: 1 positiveWeek of 2022-06-01: 1 positiveWeek of 2022-08-01: 1 positiveWeek of 2022-08-01: 1 negativeWeek of 2022-09-01: 1 positiveWeek of 2022-10-01: 1 positiveWeek of 2022-12-01: 1 positiveWeek of 2023-01-01: 1 positiveWeek of 2023-03-01: 3 positiveWeek of 2023-04-01: 1 positiveWeek of 2023-06-01: 5 positiveWeek of 2023-07-01: 5 positiveWeek of 2023-08-01: 5 positiveWeek of 2023-09-01: 1 positiveWeek of 2023-10-01: 2 positiveWeek of 2023-11-01: 1 positiveWeek of 2023-12-01: 2 positiveWeek of 2024-01-01: 2 positiveWeek of 2024-02-01: 2 positiveWeek of 2024-05-01: 1 negativeWeek of 2024-06-01: 1 positiveWeek of 2024-07-01: 3 positiveWeek of 2024-10-01: 2 positiveWeek of 2024-12-01: 1 positiveWeek of 2025-02-01: 1 positiveWeek of 2025-05-01: 2 positiveWeek of 2025-06-01: 1 positiveWeek of 2025-10-01: 1 positiveWeek of 2025-12-01: 1 positiveWeek of 2026-01-01: 1 positiveWeek of 2026-01-01: 1 negativeWeek of 2026-04-01: 2 positiveWeek of 2026-06-01: 1 positiveWeek of 2026-07-01: 1 positiveWeek of 2026-08-01: 1 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

402026-09-15 08:00 — 0 players2026-09-16 16:00 — 0 players2026-09-17 23:00 — 0 players2026-09-19 07:00 — 0 players2026-09-20 14:00 — 4 players2026-09-21 22:00 — 0 players2026-09-23 06:00 — 0 players2026-09-24 13:00 — 0 players2026-09-25 21:00 — 0 players2026-09-27 04:00 — 0 players2026-09-28 12:00 — 0 players2026-09-29 19:00 — 0 players2026-10-01 03:00 — 0 players2026-10-02 10:00 — 1 players2026-10-03 18:00 — 1 players2026-10-05 02:00 — 0 players2026-10-06 10:00 — 0 players2026-10-07 17:00 — 0 players2026-10-09 01:00 — 1 players2026-10-10 08:00 — 0 players2026-10-11 16:00 — 0 players2026-10-12 23:00 — 0 players2026-10-14 07:00 — 0 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$6.99$0.692015-01-152026-08-012015-01-15 — best price $5.592015-06-11 — best price $3.842015-10-29 — best price $2.792015-12-22 — best price $2.792016-02-15 — best price $3.492016-06-23 — best price $1.392016-10-24 — best price $1.742016-12-22 — best price $1.742017-05-01 — best price $3.492017-08-21 — best price $2.792017-11-22 — best price $0.692018-02-15 — best price $0.692018-10-30 — best price $0.692018-12-20 — best price $0.692019-03-25 — best price $1.392019-06-25 — best price $0.692019-10-28 — best price $0.692019-12-19 — best price $0.692020-04-20 — best price $1.392020-09-21 — best price $1.392020-11-25 — best price $0.692021-02-11 — best price $0.692023-11-14 — best price $6.212024-01-09 — best price $6.992024-02-08 — best price $0.972024-04-01 — best price $6.992024-05-22 — best price $6.992024-06-28 — best price $1.682025-04-18 — best price $6.992025-06-28 — best price $1.602025-07-02 — best price $1.502025-09-17 — best price $6.782026-01-08 — best price $5.782026-03-14 — best price $5.782026-04-17 — best price $5.782026-05-17 — best price $6.992026-06-26 — best price $1.712026-07-14 — best price $6.922026-07-28 — best price $1.572026-08-01 — best price $6.92
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

23
achievements tracked
48.4%
earned "Thinker!"
37.5%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsmacOSSingle-playerSteam AchievementsSteam Trading CardsFamily Sharing

11 supported languages: English, German, Russian, French, Italian, Spanish - Spain, Japanese, Korean, Portuguese - Portugal, Portuguese - Brazil, Simplified Chinese

Player tags

FMVIndieCasualPuzzleMysteryAdventureAtmosphericHidden ObjectPoint & Click

Census log

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

Players also track

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Similarity via IGDB.