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Watch trailer on Steam ↗Ratopia
Cassel Games · Published by Cassel Games · Official site ↗
Very Positive — 88% positive (4,899 reviews) · 66 achievements
Last updated 27 Sept 2026
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.
£18.50
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Price history
Adventure, Indie, Simulation, Strategy, Casual · 2025 · More £15 - £30 games
Dive into Ratopia, where you'll craft your ideal city by balancing resources and citizens. As you build an economical system, Cassel Games invites you to shape the future of this unique simulation-adventure game.
About this game
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?
System Requirements
Will my PC run this? →Minimum
- Requires a 64-bit processor and operating system
- OS *: Window 7, 8, 10 (64-bits)
- Processor: 2.4 Ghz
- Memory: 4 GB RAM
- Graphics: 512MB Video Ram
- DirectX: Version 10
- Storage: 2 GB available space
- Additional Notes: Minimum resolution: 1280x720, recomended FULL HD 1920x1080.
Recommended
- Requires a 64-bit processor and operating system
- OS: Window 10 (64-bits)
- Processor: 3.2 Ghz
- Memory: 8 GB RAM
- Graphics: 1GB Video Ram
- DirectX: Version 11
- Storage: 2 GB available space
- Additional Notes: Minimum resolution: 1280x720, recomended FULL HD 1920x1080.
Supported Languages
*languages with full audio support
Latest news
Patch NotesOfficial
1.0.0600 Tourism Update
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 travel to your city,as well as Artifact content that grants permanent benefits to your city through exploration.There may still be mistranslations or bugs that we have not yet discovered.If you report them through Steam or Discord, we will address them as quickly as possible through hotfixes. Patch Lists Notice: Those with this icon(💌) are inspired by the players’ opinions. Thank you so much again.🏖️Three new buildings related to Tourism and Artifacts have been added. ▶ 👑Royal BuildingsPassenger TerminalA building required for tourists from other city-states to visit your city.To attract tourists, you must assign Guide Boards at the Passenger Terminal to establish a tour route.The number of visiting tourists depends on the prosperity of both the player's city and the visiting city-state, as well as the relationship between the two cities.Guide BoardA key building used to form tour routes, serving as a primary destination for tourists.Tourism Influence is generated based on the buildings placed around the Guide Board.Tourists from each city-state gain Tourism Rating based on their preferred and disliked elements.Tourists can use facilities or consume food near the Guide Board. Depending on their current Tourism Rating, they will pay more or less than the base price.Artifact DisplayA supporting building that displays Artifacts to enhance the effects of Tourist Information Boards.Artifacts can be found during Explore Area at the Exploration Office and brought back to the city through Collect Artifacts missions.Simply collecting a Artifact grants a specific bonus to the city.- Two new tourism-related milestones have been added.Path of TourismPath of Hospitality⚒️A mod feature for changing the Leader's costume has been added.Please refer to the links below for detailed guides on using and creating m...Read full article on Community Announcements (Cassel Games)AnnouncementsOfficial
Ratopia DevDiary #38 - Tourism System
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, so there were not many topics that felt substantial enough to cover in detail through a development diary.This time, however, we are preparing a slightly larger update, and we thought it would be a good opportunity to share some of our current development progress and the process behind it.In this development diary, we would like to briefly introduce how we came to plan the tourism content for the next update, as well as give you an overview of what the tourism system currently looks like in development.Preparing the UpdateWe have been preparing this update little by little since January to make sure the schedule does not slip too far behind.Our goal for this update was to prepare content comparable in scale to DLC, encouraging players to return to the game and revisit it, while also making sure the new content could be experienced relatively early in a playthrough so that the early-game experience would feel different as well.In addition to new content, we also wanted to address various improvements that players have been requesting, such as quality-of-life changes and AI improvements.To achieve these goals without issue, we first laid out several possible directions for the update, then carefully reviewed which type of content would be the most appropriate for this update.The ideas we considered at the time were as follows.Navigator Theme: A theme where players build a ship with limited space, similar to the DLCs for Oxygen Not Included, RimWorld, and Factorio, then manage their city by discovering artifacts with various effects across the world map. Mercenary Company Theme: A theme similar to Battle Brothers, where individual management elements such as weapons, armor, ammunition, and skills are added to the soldiers in the city, and players manage their city using the funds earned by sendi...Read full article on Community Announcements (CasselWolf)Patch NotesOfficial
1.0.0530 Update
Hello dear leaders of Ratopia!! Thank you sincerely for your patience while waiting for this update. Originally, we hoped to deliver a wide range of quality-of-life improvements. However, within a limited timeframe, we spent a great deal of time discussing which features would provide the greatest satisfaction to players if updated first. On top of that, overlapping schedules made it more challenging than expected to clearly distinguish which features could realistically be implemented within the given period. As a result, we were not able to develop as many additions as we had initially hoped. That said, each change included in this update was carefully selected after considerable thought, and we hope you will find some value in the overall quality of these improvements. If this update did not fully meet your expectations, we sincerely apologize, and we will strive to prepare the next update with even greater care and thoroughness. Notice: Those with this icon(💌) are inspired by the players’ opinions. Thank you so much again. Patch List ▶💌⚡Production structure: Aquafarm - A structure that produces resources obtained from water.{STEAM_CLAN_IMAGE}/43311876/b7a994820bed232ff70440408e09cf76897565d3.gif ▶💌⚡Royal structure: Cosmetic Station - A structure that consumes Electricity to change a Ratizen’s appearance.{STEAM_CLAN_IMAGE}/43311876/ee5567b92de13eb3e458b35d9a3d368f4a79aa59.gif ▶💌19 New Ratizen Characteristics - Porter - Combat Proficiency - Religious - Atheist - Immune - Meat Lover - Pooper - Grasshopper - Plant Lover - Hunting Lover - Mining Lover - Vicarious Satisfaction - Craftsmanship - Fat Storage - Fear of Water - Prefers the Poor - Prefers the Middle - Prefers the High - Fugitive{STEAM_CLAN_IMAGE}/43311876/833cd61fff148621b8b55bf3f8cfa562fffbb5c4.png ▶💌Migrant Refresh has been added to the City Entrance and the Poorhouse. - The number of Migrant Refresh uses is set to 1 by default, regardless of difficulty. - A new option to configure the number of Migrant ...Read full article on Community Announcements (Kojes)Patch NotesOfficial
1.0.0520 Update
Hello dear leaders of Ratopia!! The hot summer has already passed, and the cool autumn is approaching. This time, we have prepared the minor update announced in our previous notice. Although we were unable to add many features due to time constraints, we hope these small yet satisfying changes will bring you joy! In addition, we are currently holding a broad survey on to hear what kind of updates you would like to see in the future. We would greatly appreciate your participation if you have the time. {STEAM_CLAN_IMAGE}/43311876/1e35e75efd73edc53a7453811dc35036bf696b3d.png Notice: Those with this icon(💌) are inspired by the players’ opinions. Thank you so much again. Patch List ▶💌 New Language Support Italian - Thanks to the help of PolyZen from our Discord channel, Italian is now supported. Once again, thank you very much! ▶Added 2 New Structures and 8 New Decorations Purgon Order Structure: Purging Stele - The Purging Stele is a defensive structure that summons an Earthling and disappears when destroyed by enemies. - The summoned Earthling lasts for 6 in-game hours.{STEAM_CLAN_IMAGE}/43311876/99d9aa00439665532e60c38ffc18daccb169b43b.gif 💌 Royal Structures: Phonograph - Allows you to change the in-game day and night BGM to the music of your choice. 💌 8 New Decorations 3 Types of Pillar Decorations - Wooden, stone, and marble pillars that are placed in front of characters. 3 Types of Curtain Decorations - Three color variations of curtains that can be attached to the ceiling. Wall-mounted Decoration - A set of three designs that can be placed as if hung on the wall. Bookshelf Decoration - A bookshelf with three selectable design variations.{STEAM_CLAN_IMAGE}/43311876/f1638ce7dc9c533ab6b498269267b287d93164f9.png ▶💌 Added New Leader Characters Gracious Diplomat - Revealed Areas +10 - Discovered Country Relations +10 Calm Strategist - Leader Points +1 - Refresh milestones count +1 ▶💌 Added Pick up order - When a Pick up order is given, resources in t...Read full article on Community Announcements (Kojes)Patch NotesOfficial
Future Update Notice
Hello dear leaders of Ratopia!!We would like to express our sincere gratitude to everyone who continues to love Ratopia, even in the sweltering summer heat. Recently, we have seen questions in the community such as, “Will there be no more updates?” Before anything else, we sincerely apologize for not being able to ease such concerns in advance. Through this notice, we would like to share the current development status to relieve your worries, and also inform you about our upcoming update plans while receiving your feedback more openly. First of all, the nearest update is scheduled for the end of September. September Update PreviewThe update we have been preparing over the past two months will include the following elements: - New Purgon defensive structure - Purging Stele - New Royal structures - Phonograph - New Decorations such as pillars - New starting Leader Characters - Calm Strategist, Gracious Diplomat - Additional Language: Italian For more details, please refer to the notice that will be uploaded along with the update! Update RoadmapWe are planning two small-scale updates and one content update in the future. As the game volume expands, new content and systems require significant development costs and testing time, making it difficult to implement dramatic changes or revisions. However, we aim to make the most efficient use of our time so that, in the end, you will be able to enjoy a game that has been improved as much as possible. - Minor Updates (September 2025, December 2025 → January 2026) These updates will focus mainly on minor additions and convenience features. While the changes may not feel dramatic, our aim is to show that the game is being steadily polished over time. - Content Update (February 2026 → Summer 2026) We plan to introduce new content and systems to bring you even greater enjoyment. While there are still many areas that require research and cannot yet be confirmed, the general ideas we are considering include: - New dungeon co...Read full article on Community Announcements (Kojes)









