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R.A.T.: Human Error – Episode One

R.A.T.: Human Error – Episode One

CH3RZY · CH3RZY · Feb 2, 2026
Adventure Indie RPG Free To Play
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R.A.T.: Human Error – Episode One - Steam Charts & Historical Stats

The world ended. Explore historical player activity and pricing for R.A.T.: Human Error – Episode One. Player-count data was last observed Apr 30, 2026.

Genre
Adventure
Developer
CH3RZY

Media Gallery

R.A.T.: Human Error – Episode One game capsule image

Screenshots

R.A.T.: Human Error – Episode One screenshot 1
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R.A.T.: Human Error – Episode One screenshot 3
R.A.T.: Human Error – Episode One screenshot 4
R.A.T.: Human Error – Episode One screenshot 5
R.A.T.: Human Error – Episode One screenshot 6
R.A.T.: Human Error – Episode One screenshot 7

Videos

RAT: Human Error - Episode 1 video thumbnail for R.A.T.: Human Error – Episode One
RAT: Human Error - Episode 1
Player count

System Requirements

Platform Support
Windows
Windows Requirements
Minimum:
Minimum:
  • Requires a 64-bit processor and operating system
  • OS: Windows 10 (64-bit)
  • Processor: 2GHz
  • Memory: 4 GB RAM
  • DirectX: Version 11
  • Storage: 1 GB available space
Recommended:
Recommended:
  • Requires a 64-bit processor and operating system
Pricing
Free to Play

Additional Information

Categories
Single-player Custom Volume Controls Keyboard Only Option Playable without Timed Input Save Anytime Family Sharing
Supported Languages
English*
*languages with full audio support

Additional Information

🇧🇷 DEJUS Rating
12
Brazilian rating
🇩🇪 Steam Germany
16
German classification
📦 DLC Available
1
downloadable content
🆘 Support

Developer Analytics

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About This Game

The world ended. Now the real nightmare begins. Deep underground, a child wakes in a infected facility. Minds are breaking. Bodies are changing. Crawl through vents, follow echoes, and escape before it’s too late. Your mother is waiting.

Detailed Description

The war ended in a blinding flash. Now, the earth is hollow, a fractured shell hiding the remnants of humanity. A new era of evolution is about to begin. Survivors fled underground, but salvation was a lie. A sickness spread, warping minds, twisting bodies. No one is being spared.

You are a child, taken to a hidden facility deep below the surface. You don’t know why. Only that you’re sick. That everyone is. And something is wrong.You have to escape. Crawl through the vents. Follow the echoes to get to the surface. Your mother is waiting for you.

Wander through a decaying underground facility where nothing feels stable. Every room hides secrets, every object whispers fragments of a story you were never meant to uncover.

The bunker is not empty. Strange figures linger in the shadows, some helpful, some deceptive, none entirely trustworthy. Their words may reveal truth… or bury it deeper.

A labyrinth of vents and passages twisting into the dark. Something moves inside, creatures that stalk and listen in the silence. Paths split, shift, and close behind you. There is no turning back.

Though your journey branches in countless directions, they all lead toward the same haunting revelation. What you find depends not just on where you go, but on what you dare to see.

Frequently Asked Questions

Is R.A.T.: Human Error – Episode One free to play?
Yes, R.A.T.: Human Error – Episode One is free to play on Steam.
What genre is R.A.T.: Human Error – Episode One?
R.A.T.: Human Error – Episode One is a Adventure, Indie, RPG, Free To Play game.
Who developed R.A.T.: Human Error – Episode One?
R.A.T.: Human Error – Episode One was developed by CH3RZY and published by CH3RZY.
What platforms does R.A.T.: Human Error – Episode One support?
Available on Steam for Windows.