Game overview
ERROR: Human Not Found
Error: Human Not Found is a visual-novel/puzzle game with portions of point-and-click adventure. Play as Grace and work to uncover the cause of death for the first AI to inhabit a physical body. Solve 4 types of computer-science based puzzles that increase in difficulty as the story progresses.
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- Steam reviews
- 87.7% positive 57 reviews · via SteamSpy
Delayed observation · last tracked . Values marked unavailable are not estimated.
About this game Read the full description
Error: Human Not Found places the player in the role of Grace Fortran, a computer scientist stationed on-board the Noah Sphere, a research station in space. Instead of celebrating the success of the first Artificial Intelligence (AI) being uploaded to a physical android, Grace is racing to clear her name in the death of the AI who was found dead less than 24 hours after the upload. Work together with another AI, Ada, to search for clues, question suspects, and solve four kinds of computer-science related puzzles in this science-fiction visual-novel/puzzle game hybrid. Determine the fate of AIs and their relationship with humanity with three endings to this murder mystery. Unlock databases that give background information about the real-life computer scientists, mathematicians, and roboticists that the characters share names with.
Media gallery 8 screenshots · 0 videos
Screenshots
Player activity
Concurrent players over the last 48 hours.
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System requirements Windows
Windows
Minimum
Minimum:- OS *: Windows 8.1
- Processor: 4th Generation Core i3
- Memory: 2 GB RAM
- Graphics: DirectX or OpenGL compatible card
- Storage: 2 GB available space
Recommended
Recommended:- OS: Windows 10
- Processor: 4th Generation Core i5
- Memory: 4 GB RAM
- Graphics: Intel HD
- Storage: 2 GB available space
Game details Languages, features & support
- Publisher
- CelleC Games
- Features
- Single-player, Family Sharing
- Languages
- English*
*languages with full audio support - Website
- Official website ↗
- Support
- [email protected] Support site ↗
Compatibility & accessibility Steam Deck, controllers & access features
Can I Play This?
Steam declarations and Valve's Steam Deck compatibility result. Missing data is shown as unknown, never unsupported.
Native Steam builds
Windows: unknown
macOS: unknown
Linux: unknown
Steam Deck
unknown
Valve compatibility test
Input
Controller support: unknown
Structured language support (1)
| Language | Interface | Full audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | Yes |
Steam store page
fresh · checked 2026-10-26
PCGamingWiki technical notes
External link only; SteamIQHQ does not ingest PCGamingWiki content.
More analysis Activity patterns, updates & developer tools
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Developer Analytics
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Frequently Asked Questions
Is ERROR: Human Not Found free to play?
Yes, ERROR: Human Not Found is free to play on Steam.
What genre is ERROR: Human Not Found?
ERROR: Human Not Found is a Adventure, Casual, Free To Play, Indie game.
Who developed ERROR: Human Not Found?
ERROR: Human Not Found was developed by CelleC Games and published by CelleC Games.
What platforms does ERROR: Human Not Found support?
Available on Steam for Windows.
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