The disappearance of an ambitious engineer and his high-society wife provokes a hunt for a precious artefact. The trail leads you to the attic of their home, and the discovery of an old, peculiar dollhouse. What secrets lie within these walls?
Live now
44
24h peak
60
All-time peak
60
SteamScope Score
49.0
Discovery
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About
Store description and overview from Steam.
Player intelligence
Current activity, peaks, and momentum windows calculated from tracked player metrics.
7 day change
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90 day change
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365 day change
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Concurrent Steam players over time, aggregated per selected range from stored metrics.
Steam reviews
Community sentiment and review volume tracked from the Steam store.
Total reviews
9.2K
Positive
9.1K
Negative
136
Score
99%Overwhelmingly Positive
SteamScope Score
How this title ranks for live activity, momentum, and long-term player retention on Steam.
Steady engagement
Weighted index from live players, growth, retention, and catalogue age
Popularity
Live concurrent player volume
28
Growth
Recent player trend momentum
50
Retention
Peak-to-current player ratio
73
Longevity
Catalogue age and sustained interest
65
24 hour change
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7 day change
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Guide
The Room 4: Old Sins is tracked on SteamScope with live Steam concurrent player data, historical charts, and a SteamScope activity score of 49/100. Search for "The Room 4: Old Sins player count" or "The Room 4: Old Sins steam charts" to monitor how many people are playing right now and how activity compares with past peaks.
The Room 4: Old Sins is developed by Fireproof Games, released 11 Feb 2021, a Adventure title. Available on Windows.
The Room 4: Old Sins currently reports 44 concurrent Steam players with a 24-hour peak of 60 and an all-time peak of 60.
Among tracked Steam titles, The Room 4: Old Sins ranks #4344 of 10,837 by momentum score.
The Room 4: Old Sins has lost momentum recently. Retention sits at 73/100, suggesting fewer players relative to its all-time peak of 60.
The Room 4: Old Sins has 9 Steam achievements tracked on SteamScope.
The average global unlock rate across all achievements is 74%, giving a baseline for overall completion difficulty.
The most common achievement is "Foyer Complete" with a 87.3% unlock rate.
The rarest achievement is "The Room: Old Sins Complete" — only 70.2% of players have unlocked it (Easy).
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Explore
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Steam Features
Official Steam store feature flags from the Steam API.
Handheld Gaming
Official Steam Deck verification status and test notes from the Steam store.
Deck test results
SteamOS status: Playable
Last checked Aug 3, 2026
Store Details
Steam achievements: 9
Support
[email protected]Regional ratings
FIREPROOF STUDIOS LIMITED Privacy Policy -
Media
Updates
System requirements
Minimum and recommended specs from the Steam store listing.
Minimum
Languages
Content rating
Store options
The Room 4: Old Sins - 8,49€
Tracked Steam store price snapshots over time.
The Room 4: Old Sins is currently €8.49 on Steam. The lowest tracked store price is €8.49 (recorded Aug 3, 2026).
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How this game's Steam Charts position has changed over time.
How Steam review score and volume have changed over time.
The Room 4: Old Sins has 99% Steam reviews across 9.2K user reviews. Steam labels this as "Overwhelmingly Positive".
Intelligence
Patch notes, discounts, and player spikes surfaced from stored Steam metrics.
Steam announcement or patch note.
Steam announcement or patch note.
Steam announcement or patch note.
Steam announcement or patch note.
Steam announcement or patch note.
Steam announcement or patch note.
Achievements
This game
74% avg unlock
40 peer games
19.8% median
Comparison
Easier than peers
Achievements
9 standard · Updated 7h ago
74%
average global unlock
Most Common
Foyer Complete
87.3% unlock rate
Rarest Achievement
The Room: Old Sins Complete
70.2% unlock rate
FOY_COMPLETE
87.3%
global unlock
Completed the Foyer
STU_COMPLETE
77.3%
global unlock
Completed the Study
CUR_COMPLETE
74.8%
global unlock
Completed the Curiosity Room
KIT_COMPLETE
73.7%
global unlock
Completed the Kitchen
MAR_COMPLETE
72.5%
global unlock
Completed the Maritime Room
GAR_COMPLETE
71.5%
global unlock
Completed the Garden
JPN_COMPLETE
71.1%
global unlock
Completed the Japanese Gallery
ART_COMPLETE
71.0%
global unlock
Completed the Art Studio
FIN_COMPLETE
70.2%
global unlock
Completed The Room: Old Sins
