The inheritance following his mother’s death turns into a series of mysterious events for Sam. Neighbors are complaining about strange noises and unexplained phenomena in the empty apartment. Intrigued, he decides to investigate what’s going on there himself.
Live now
0
24h peak
5
All-time peak
5
SteamScope Score
19.0
Discovery
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About
Store description and overview from Steam.
Lost Luminosity is a first-person psychological horror game with a linear storyline.
You will take on the role of Sam, whose mother passed away shortly after being released from a psychiatric hospital. He still doesn't know why she began to lose her mind, which led to her mental disorders, or who is behind it.
The gameplay will involve exploring an apartment where you can uncover the true events of the past, unravel your father's fate, and understand the reasons behind your mother's psychological disorders. The game also addresses relevant social issues related to society and family, offering a perspective on your character from the outside. You will experience the presence of supernatural forces. Will you be able to confront them?
Oppressive and disturbing atmosphere
Great sound design
Deep storyline with horror elements
Realistic graphics
A compelling experience with fear
Player intelligence
Current activity, peaks, and momentum windows calculated from tracked player metrics.
7 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.
SteamScope Score
A composite score built from live player data, growth trends, retention, and longevity.
SteamScope Score
Higher scores indicate stronger recent momentum, sustained activity, and healthier long-term player retention.
Player growth windows
24 hour
0.0%
7 day
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30 day
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Lost Luminosity is tracked on SteamScope with live Steam concurrent player data, historical charts, and a SteamScope activity score of 19/100. Search for "Lost Luminosity player count" or "Lost Luminosity steam charts" to monitor how many people are playing right now and how activity compares with past peaks.
Lost Luminosity is developed by Ember Wing Games, released 25 Jul 2025, a Adventure, Indie title. Available on Windows.
Lost Luminosity currently reports 0 concurrent Steam players with a 24-hour peak of 5 and an all-time peak of 5.
Player counts remained largely unchanged over the past 24 hours.
Among tracked Steam titles, Lost Luminosity ranks #2957 of 4,432 by momentum score.
Lost Luminosity maintains stable player activity at 0. With a longevity score of 25/100, the title continues to sustain an active player base over time.
Lost Luminosity has 6 Steam achievements tracked on SteamScope.
The average global unlock rate across all achievements is 66%, giving a baseline for overall completion difficulty.
The most common achievement is "Welcome" with a 93.8% unlock rate.
The rarest achievement is "No Escape" — only 23.1% of players have unlocked it (Medium).
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Updates
Tracked Steam store price snapshots over time.
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Lost Luminosity has 0 tracked Steam user reviews.
Intelligence
Patch notes, discounts, and player spikes surfaced from stored Steam metrics.
Large concurrent player increase in stored 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
66% avg unlock
40 peer games
19.8% median
Comparison
Easier than peers
Achievements
6 standard · Updated 4d ago
66%
average global unlock
Most Common
Welcome
93.8% unlock rate
Rarest Achievement
No Escape
23.1% unlock rate
NEW_ACHIEVEMENT_1_0
93.8%
global unlock
Welcome to Horror
NEW_ACHIEVEMENT_1_1
84.5%
global unlock
In darkness, even a flicker can awaken something
NEW_ACHIEVEMENT_1_2
71.9%
global unlock
Some doors should remain closed.
NEW_ACHIEVEMENT_1_3
68.5%
global unlock
The lens doesn’t just capture— it reveals.
NEW_ACHIEVEMENT_1_4
52.2%
global unlock
Confession came too late. Now run.
NEW_ACHIEVEMENT_1_5
23.1%
global unlock
You chose the silence of the cell over the screams outside.
