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The Butterfly Sign: Human Error
Playing now
0
24h peak
7d peak
All-time peak
0
Avg 30d
Hours played
0
30d
Best rank
Positive reviews
50%
84

The Butterfly Sign: Human Error

Live player count and Steam charts

50% positive · 84 reviews

The Butterfly Sign: Human Error is the second chapter of the first person detective video game in which we are playing as a sole survivor of a serious terrorist attack. Protagonist is the only witness of the incident and his fate depends on his memories.

DeveloperQuantum Phoenix Bucharest
PublisherQuantum Phoenix Bucharest
ReleasedMar 16, 2017
Runs onWindows
Price$4.99

Player history

Jul 15Jul 16Jul 17Jul 18

Each point is the highest number of players online in that day (UTC). Recorded by Steamalytics every hour since July 14, 2026. Zoom in for finer detail.

Monthly player counts

* current month, data so far
MonthAvg playersGain% gainPeak
Jul 2026 *00

* current month, data so far

Recent updates

via Steam

Audience

Russian
48%
English
26%
German
10%
Chinese (Simplified)
5%
French
4%
Polish
2%
Other
6%

Language mix of 84 Steam reviews spanning 3390 days — a rough proxy for where the player base is.

Achievements

Achievements
89
Median earned by
3.5%
Rarest earned by
3.4%

Every achievement in the game, ordered from most to least earned (#1 is the one the most players have). Height is the share of all players who have it; the dashed line is the median. Global rates from Steam.

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