R.A.T.: Human Error – Episode One

93.3% positiveFreeSteam Store

About the 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.

Current players

Updated Nov 3, 10:23 AM

24hr peak

Highest count in the last 24 hours

All time peak

Highest count in recorded history

Followers

222

Updated Nov 2, 11:50 PM

Player history

71 observations in viewHistorical player data prior to Sept 2026 is from steamcharts.com.Oct 27, 2026, 6:33 PM – Nov 3, 2026, 10:23 AM

Follower history

5 observations in viewOct 28, 2026, 11:45 PM – Nov 2, 2026, 11:50 PM

Game details

Rankings: Most Played#132,947
Developer: CH3RZY
Publisher: CH3RZY
Release date: Feb 2, 2026, 11:00 AM
Languages: English
Price: Free to play
Platforms: Windows
Features: Feature names
Single-player
Custom Volume Controls
Playable without Timed Input
Keyboard Only Option
Save Anytime
Family Sharing
Tags: RPG Adventure Interactive Fiction Puzzle 2D

User reviews

Positive reviews

93.3%

Positive: 42
Negative: 3

Updated Nov 2, 6:23 PM

Review history

Mode

3 observations in viewOct 29, 2026, 6:02 PM – Nov 2, 2026, 6:23 PM