Rat Overflow
Rat Overflow is an adorable rat breeding simulator about genetics, glory, and having way too many rats. Develop your show winner bloodlines and breed thousands of unique rat coats!
Last Updated: 3/26/2026
| Steam Price | $5.99 |
| Release Date | 3/12/2026 |
| Developer | Little Beast Lab |
| Publisher | Little Beast Lab |
| Steam App Id | 4435150 |
Rat Overflow
Rat Overflow is an adorable rat breeding simulator about genetics, glory, and having way too many rats. Develop your show winner bloodlines and breed thousands of unique rat coats!
Last Updated: 3/26/2026
- Windows
- Mac
- Linux
About Rat Overflow
Rat Overflow is a Simulation, Casual, and Early Access game developed by Little Beast Lab. On 3/12/2026, it was released on the Steam Store by Little Beast Lab.
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, Rat Overflow supports the following features:
- Single-player
- Family Sharing
From the Steam community, Rat Overflow has been tagged with the following user tags:
- Character Customization
- Economy
- Management
- Idler
- Sandbox
- Nature
- Stylized
- Pixel Graphics
- Retro
- Simulation
- Cute
- Education
- Family Friendly
- Science
- Life Sim
- Creature Collector
- Early Access
- Casual
- Relaxing
- 2D
Media & Sceenshots
Watch the featured video for Rat Overflow and see the latest screenshots from the Steam Store.

Related Packages
Rat Overflow is referenced by 1 package in the Steam Store. A package (or sub) is simply an item that can be purchased on Steam.
| Name | Price | Actions |
|---|---|---|
| Rat Overflow | $5.99 | View |
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Find a new game to play just like Rat Overflow through our curated lists. Steambase uses Steam's User Tag and Genre system (and other game stats) to curate a list of the best and most loved games similar to Rat Overflow.
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Frequently Asked Questions
Soures & References
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Rat Overflow data has been sourced from:
- Valve Corporation. (2026, March 26). Rat Overflow on Steam. Steam Store.
- Valve Corporation. (2026, March 26). Rat Overflow. Steam Community Hub.