
Ratocalypse, the next game from Cassel Games: Demo out now!
Hello from Cassel Games! We have some exciting news for everyone who has helped build the kingdom of rats in and. The demo for our new game,, is available on Steam today! Steam…




Ratopia is a new game that has combined elements of both strategic survival and city building. With plenty of content available, and more planned, enjoy a vast world to adventure and populate with citizens! Build your own economical system to sustain your ideal city of Ratopia.

The citizens of Ratopia each have their own wealth and unique characteristics.
There is no such thing as a free lunch!
Supply jobs and services for your ratizens to make them all happy.

Make a detailed policy to tax them all!
Shouldn't the people all work tirelessly for more profit?
Create or prevent social disasters with your own policies.

Explore and find the remains of the great old rats.
Bring prosperity to the city through great expeditions.
Some adventures pose the possibility of awaking up apex predators, but who's to worry?
RatopiaSteam announcement
Hello from Cassel Games! We have some exciting news for everyone who has helped build the kingdom of rats in and. The demo for our new game,, is available on Steam today! Steam…
RatopiaSteam announcement
Hello dear leaders of Ratopia!! Thank you for your patience while waiting for this update. This update introduces Tourism content, allowing visitors from foreign city-states to…
RatopiaSteam announcement
Hello all, it's Cassel, developer of. It has been a while since our last development diary. Over the past few updates, we have mainly focused on relatively small-scale changes,…
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