A survival stealth role-playing simulator where you experience the life of a rat in a suburban neighborhood.
User reviews:
Mixed (14 reviews) - 64% of the 14 user reviews for this game are positive.
Release Date: May 8, 2017

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Early Access Game

Get instant access and start playing; get involved with this game as it develops.

Note: This Early Access game is not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“We chose to launch in Early Access in order to get feedback from users and also because the game is not fully complete yet. Your suggestions will help us to make Rat Simulator a better game.”

Approximately how long will this game be in Early Access?

“We don't have a set date yet for how long Rat Simulator will be on Early Access, but we hope to finish the game by Late 2017.”

How is the full version planned to differ from the Early Access version?

“The full release will contain features and gameplay mechanics such as
  • Boss fights with humans
  • More maps
  • Female human characters
  • Side quests and side activity happening around the suburban neighborhood
  • Performance optimizations

What is the current state of the Early Access version?

“The current version of Rat Simulator is a playable build that contains most of the features that we have planned to include in the game.”

Will the game be priced differently during and after Early Access?

“The price for Rat Simulator during Early Access is $5.99 and it will increase to $9.99 USD after Early Access.”

How are you planning on involving the Community in your development process?

“We'll be looking closely at the steam community forums to look out for valuable feedback that'll help us to make a better game.”
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Recent updates View all (2)

May 19

General Improvements - Version 0.12

Version 0.12's main update is about improving the flow of the tutorial which is the first house you will be infecting in the game.

Autosave is now enabled which means you don't have to restart from scratch again should you perish to the pestman.

This version is not guaranteed to be compatible with old save files.


  • Autosave is now enabled
  • Adjusted the tutorial house and added poison food mechanics into the tutorial
  • Added a new Objective OST background music

1 comments Read more

May 9

Bug Fixes - Version 0.11

- Fixed mouse cursor going off the screen
- Fixed UI layout issues for non 16:9 aspect ratios on windowed mode.

0 comments Read more
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About This Game

Rat Simulator is a survival stealth role-playing simulator game set in a suburban neighborhood where you play as a rat to spread the plague across the neighborhood in order to build a rat's paradise.

No longer do you need to wonder what they get up to when humans are around, as this state-of-the-art computer simulation models the complete rat experience. As a rat, you'll get to steal food, wreck havoc and create chaos whenever you feel like it. This terrifies the humans who fear you and will fight back by calling pestmen to exterminate you.

Mess is yours to make in this survival stealth role-playing simulator, as you experience the life of a hunted rat fighting to drive out those pesky humans!

Key Features

  • Infection - Infect 9 unique houses with the plague in the suburban neighborhood, but watch out for the inhabitants who are out to stop you in your tracks.
  • Stealth Gameplay – Avoid detection from humans while spreading the plague, else you'll feel the wrath of the pestmen who are out to kill you!
  • Destruction – Create chaos in the houses where you'll get to destroy precious objects such as plates, glasses and vases much to humanity’s dismay. Or maybe you just feel like making a mess out of their houses by throwing their fragile possessions everywhere.
  • Rat Paradise – Save rats who are trapped in houses and then call upon your fellow rats to infect new houses in the neighborhood!
  • Enhancements – Your experiences empowers your abilities and you'll get to select upgrades in order to boost your rat capabilities.
  • Poisoned Food – It's all fun to spread diseases to the humans, and after all you'll get the house to yourself if they die to the plague, right?
  • Annoy Humans – As a plague bearer, you'll get to temporarily stop the humans in their tracks as they drop to the ground when shot with poison.

System Requirements

    • OS: Windows 7+
    • Processor: 2.4 GHz Intel Core 2 Duo or equivalent AMD CPU
    • Memory: 4 GB RAM
    • Graphics: NVIDIA GeForce 760 GTX / AMD Radeon HD 5870 or equivalent videocard
    • Storage: 3 GB available space
    • Sound Card: DirectX compatible sound card
Customer reviews Learn More
Mixed (14 reviews)
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