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▲ 9.4%vs 24h ago · updates every minute
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87% positive of 4,686 · Very Positive · Live from Steam
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Free on Steam. The demo has its own app, so its players are counted separately.
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.
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What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 87% on 2026-11-01 → 87% today (4,686 reviews)
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Works, but may need extra effort. Results from Valve's own testing.
1 item on Steam, newest first.
Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
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 you…
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 whi…
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 …
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 anyt…
Hello dear leaders of Ratopia!! In this patch, we've added the long-requested male Leader appearance and improved the functionality of the Porter Station. In fact, we also tried developing several additional features, such as a function to pre-warn the locatio…
※This patch note includes the changes made over the past two weeks.※ Patch List Notice: Those with this icon(💌) are inspired by the players’ opinions. Thank you so much again. - 💌 The Moving speed bonus from the Dexterity stat has been adjusted. - Moving spe…
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 page: Let us know which moments you enjoyed and which parts you found challenging. Y…
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 throug…
Hello dear leaders of !! Today, we’re here to share the exciting news that over 200,000 players have joined us in , along with a preview of the upcoming updates. We sincerely thank you for your generous feedback and warm support throughout your journey of buil…
Rimworld with rats. It's a simple concept, yet a tremendously appealing one. Cute colony sim Ratopia has just left early access after 18 months, and developer Cassel Games has a special Steam sale to celebrate. Boasting an impressive 88% user rating, its adora…
End of Early Access Hello dear leaders of !! Hello dear leaders of !! This is Cassel, the developer of . As of today, has officially launched after three years of development and one and a half years in Early Access. First, I would like to sincerely thank the …
Hello all, it's Cassel, developer of . As with last month, we’re continuing development with a focus on convenience and polishing. With the graduation from Early Access approaching, the scale of features we can add is limited, and some new features require tho…
Hello, Ratizens! After 1 year and 6 months in Early Access, Ratopia is finally wrapping up its early phase and will officially launch on May 1st at 11:00 AM (UTC+9). We’re planning a 20% launch discount, and the price will increase slightly after the discount …
Hello all, it's Cassel, developer of . I would like to once again share the news that Ratopia’s official release date has been set for May 1st (11:00 AM UTC+9). To ease the boredom of our Ratopian leaders until the release, I have prepared a 4-panel comic. A t…
Hello all, it's Cassel, developer of . This month, I spent most of my time playtesting, polishing the game, and handling company business matters. With the official launch just around the corner, we have been conservative in adding new content. As a result, I …
Hello all, it's Cassel, developer of . After nearly four years of development, we are finally set to officially release on May 1st. However, this date does not signify the end of ’s development; rather, it serves as an important milestone, allowing us to balan…
Hello all, it's Cassel, developer of . This time, following the previous installment, I’d like to introduce some details about the Purgon Order and share the challenges I faced during development. The content is quite lengthy this time as well, so it might be …