Ratropolis is a card game that uses cards to defend a rat's city against enemies.

Ratropolis is a real-time card game, not a turn based card game.

You must defend your upcoming enemies with quick judgment and swiftness.

Build your OWN Ratropolis with various cards that you can get from playing the game!

Steam Early Access : Coming Soon! 

We are planning to release early access ON Steam at Q4 2019. We want to publish the game in near future so that players can enjoy the game and the team will apply user feedback to future Ratropolis update.

Check Development Diary 

We're working on a development diary twice a month. 

You can see how the game is being developed and how it will be developed in the future.

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Hundreds of Cards & Dynamic Deck building

Create your own deck with 81 cards. 

To protect Ratropolis, you need a strategic card choice.

Real-Time Defense

Use military cards to place units on a defensive position.

Keep in mind that while you're thinking about which cards to use, your enemies are approaching the city.

Build Ratropolis, the Largest City of Rats

Use building cards to build your own city .
Buildings offer unique and powerful bonuses.
Explore the world to expand your city.



Cassel Games is an indie game dev team made up of students from Sogang game school in South Korea.

We've been hard at work on our debut project, Ratropolis.


Feel free to send us your finest ideas, fun experiences, and thoughts about Ratropolis.

If you lend us your support. We would be delighted.

Development Diary 32
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