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Questerium: Sinister Trinity HD Collector's Edition

Questerium: Sinister Trinity HD Collector's Edition

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.

Released Jan 15, 2015 Developer URSE Games Publisher ESDigital Games Platforms Windows · Mac AdventureCasualHidden ObjectPuzzlePoint & Click
View on Steam ↗ $6.99 (US · as of 2026-09-25)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-08-31 · quoted reviews as of 2026-05-13.

82.4%positive238 reviews
Recommended · 0 found this helpful

“I love HIOs with real actors, they are most of the time so hilarious, just like in this game. The mechanics are mostly pretty simple, the combinations of places and items, as well as their placements are sometimes very weird and on one point very annoying and (im talking about…”

— a player, Steam review · 7 hrs played
Read more reviews ↗

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-19.

23achievements
37.5%median completion
13.2%rarest: To the last cent!
48.4% of players 48.0% of players 43.4% of players 43.1% of players 42.1% of players 41.2% of players 41.0% of players 39.3% of players 39.0% of players 38.5% of players 37.8% of players 37.5% of players 36.5% of players 36.5% of players 26.6% of players 24.8% of players 20.3% of players 19.0% of players 18.7% of players 18.3% of players 16.5% of players 14.2% of players 13.2% of players 48.4% 0% most earned rarest
Almost everyone has
48.4%Thinker! — You need to complete one mini-game without skipping it to get this achievement.
48.0%A sharp eye! — You need to complete one Hidden Object scene without using hints to get this achievement.
43.4%Jackpot! — You need to take the jackpot to get this achievement.
Rarest badges of honor
13.2%To the last cent! — You need to find all the hidden money to get this achievement.
14.2%Genius! — You need to complete all mini-games without skipping them to get this achievement.
16.5%A bloodhound's senses! — You need to find all the secrets to get this achievement.

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-08-12. Steam prices vary by region — always confirm your local price on Steam.

$6.99current · sampled 2026-09-25 21:36 UTC
$1.74lowest since tracking began2026-09-17
US6.99 USD
EU6.99 EUR
UK5.89 GBP
Australia10.25 AUD
Canada8.99 CAD
Japan800 JPY
Brazil23.50 BRL
China29.00 CNY

Regional prices at last sample, in local currency — Steam sets each region's price independently.

China≈$4.3 Brazil Japan Canada US Australia UK EU≈$8.0

Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-25). Relative comparison only.

$0 $5 $10 08-12 08-21 08-30 09-08 09-16 09-25

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Jul 18, 2023
REMEDIUM: Sentinels Unleashed Today! Embark on an Epic Adventure Now!

Today is THE DAY, fellow Sentinels! REMEDIUM: Sentinels has officially released, and we couldn't be more excited. Get ready to immerse yourself in an extraordinary experience filled with new features

Feb 21, 2023
-85% until February 27!

Happy to share some great news! The game is participating in this year's Mystery Fest, in honor of which it received an 85% discount: https://store.steampowered.com/app/320610/Questerium_Sinister_Trin

Aug 19, 2021
RELEASE AND 20% DISCOUNT!

PORTAL OPENED! So it's time to embark on a fabulous adventure and help our hero Lucius find his missing son. Dozens of fascinating riddles, mystical inhabitants of the Tetragon world, and a surprising

Apr 16, 2021
DEMON SKIN RELEASED

The brutal game Demon Skin is now available on Steam! Until April 20 , there is a 10% discount: https://store.steampowered.com/app/1522140/Demon_Skin/

Oct 30, 2015
HALLOWEEN SALE! -60% off!

HALLOWEEN SALE! Offer ends 2 November

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From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-13.

GenresAdventure, Casual
Player tagsAdventure · Casual · Hidden Object · Puzzle · Point & Click · Mystery · Indie · Atmospheric · FMV (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Steam Trading Cards · Family Sharing
LanguagesEnglish * , German, Russian, French, Italian, Spanish - Spain, Japanese, Korean, Portuguese - Portugal, Portuguese - Brazil, Simplified Chinese, Traditional Chinese *
Achievements23
Minimum system requirements (PC)

Minimum: OS *: Windows XP/Vista/7/8 Processor: 1.5 GHz Memory: 512 MB RAM Graphics: 256 MB VRAM DirectX: Version 9.0c Storage: 800 MB available space