R.A.T.: Human Error – Episode One
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.
Last Updated: 2/6/2026
| Release Date | 2/2/2026 |
| Developer | CH3RZY |
| Publishers | |
| Steam App Id | 3814370 |
R.A.T.: Human Error – Episode One
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.
Last Updated: 2/6/2026
- Windows
- Mac
- Linux
About R.A.T.: Human Error – Episode One
R.A.T.: Human Error – Episode One is an Adventure, RPG, Indie, and Free to Play game developed by CH3RZY. On 2/2/2026, it was released on the Steam Store by Dreamsprout, and CH3RZY.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, R.A.T.: Human Error – Episode One supports the following features:
- Playable without Timed Input
- Single-player
- Save Anytime
- Keyboard Only Option
- Custom Volume Controls
From the Steam community, R.A.T.: Human Error – Episode One has been tagged with the following user tags:
- Supernatural
- Nonlinear
- Side Scroller
- Interactive Fiction
- Dark
- Atmospheric
- Story Rich
- Puzzle
- RPG
- Psychological Horror
- Hand-drawn
- Underground
- Post-apocalyptic
- Colorful
- Dystopian
- Adventure
- Cartoony
- Singleplayer
- 2D
- Exploration
Media & Sceenshots
Watch the featured video for R.A.T.: Human Error – Episode One and see the latest screenshots from the Steam Store.
R.A.T.: Human Error – Episode One DLC
R.A.T.: Human Error – Episode One has 1 downloadable add-on available for purchase on Steam which is R.A.T. - Survival Extras.
| Image | Name | Type | Release Date | Actions |
|---|---|---|---|---|
 | R.A.T. - Survival Extras | DLC | 2/2/2026 | Steam Charts |
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Soures & References
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R.A.T.: Human Error – Episode One data has been sourced from:
- Valve Corporation. (2026, February 6). R.A.T.: Human Error – Episode One on Steam. Steam Store.
- Valve Corporation. (2026, February 6). R.A.T.: Human Error – Episode One. Steam Community Hub.