About the game

New game with the combined genre of strategic survival, Sandbox, and city-building simulation. Enjoy the simulation with a vast world to adventure with a great number of contents. Build your own economic system to sustain your ideal city of Ratopia. Economically active Ratizens Citizens of Ratopia each own wealth and characteristics. There is no such thing as a free lunch! Supply jobs and services for Ratizens to make all happy. Create extraordinary Policies Make a detailed policy to tax them all! Shouldn't the people all work restlessly for more profit? Create or prevent social disasters with your own policies. Diverse adventures placed Underworld Explore and find the remains of the great old rats. Bring prosperity to the city through great expeditions. Some might wake up new apex predators, but who cares?

How to activate

Use the credentials you received (directly or via an external website) and log into the account. Make sure that the content on the account is correct (correct edition of the game, no playtime etc) Change the credentials to make the account your own: Change the email Change the password Add 2FA (Steam Guard) Please note that it may not be possible to add the purchased account to an existing Steam Family and to enable Family Sharing. The account should be used as a way of accessing the game/content you are interested in. It is not recommended to use it as your main account, as you might have issues with making purchases on it. Applying any changes to the purchased account, such as adding a payment method or changing the region, may result in the account being banned. In such cases, no refund is applicable.

System requirements