The Butterfly Sign: Human Error
Developed by Quantum Phoenix Bucharest · Published by Quantum Phoenix Bucharest
At a glance
Overview
An action, adventure, indie game by Quantum Phoenix Bucharest, published by Quantum Phoenix Bucharest — single-player.
Steam’s own one-line description: “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.” — developer/publisher text via the Steam store page.
Reception & community
Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for The Butterfly Sign: Human Error.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | No |
| Co-op | No |
| Online co-op | No |
| PvP | No |
| Cross-platform multiplayer | No |
| Full controller support | No |
| Partial controller support | Yes |
| Steam Cloud saves | No |
| Steam Achievements | Yes |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- Requires a 64-bit processor and operating system
- OS *: Windows 7, 8 or 10 (64bit)
- Processor: Intel Core i3-6100 or AMD FX-6300
- Memory: 4 GB RAM
- Graphics: GTX 660 or R9 270x
- DirectX: Version 11
- Storage: 20 GB available space
Recommended
- Requires a 64-bit processor and operating system
Supported languages (3)
The Butterfly Sign: Human Error FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is The Butterfly Sign: Human Error?
Steam classifies The Butterfly Sign: Human Error as a Action, Adventure, Indie game, developed by Quantum Phoenix Bucharest. 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.
How much does The Butterfly Sign: Human Error cost?
As of June 2026, Steam lists The Butterfly Sign: Human Error at $1.74. Prices and regional pricing change — check the Steam page for the current figure.
Is The Butterfly Sign: Human Error single-player or multiplayer?
Steam lists these modes for The Butterfly Sign: Human Error: Single-player. It lists a single-player mode.
Is The Butterfly Sign: Human Error on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists The Butterfly Sign: Human Error for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is The Butterfly Sign: Human Error out yet?
Yes — Steam lists a release date of Mar 16, 2017.
What platforms is The Butterfly Sign: Human Error on?
The Butterfly Sign: Human Error is listed for Windows on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is The Butterfly Sign: Human Error single-player or multiplayer?
Steam lists these modes: Single-player.
How much does The Butterfly Sign: Human Error cost?
Steam lists it at $1.74.
Does The Butterfly Sign: Human Error have achievements?
Yes — Steam lists 89 achievements for The Butterfly Sign: Human Error.
Who made The Butterfly Sign: Human Error?
The Butterfly Sign: Human Error is developed by Quantum Phoenix Bucharest and published by Quantum Phoenix Bucharest.
Where to get The Butterfly Sign: Human Error
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data. Not affiliated with Valve/Steam, Quantum Phoenix Bucharest.