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Ratopia
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.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-04 · quoted reviews as of 2026-05-13.
What reviewers agree on
36 of the 73 reviews raise this.
“An amazingly wonderful blend of Oxygen Not Included and Terraria that you absolutely must play for yourself if you're a fan of either game. Control your own character and navigate the world similar to Terraria, while…”
“Economy This game made me realize most city builders are just slavery simulators in disguise. In Ratopia, every ratizen actually has money. You pay them wages, they go to work, buy stuff, and then you tax them to get…”
10 of the 73 reviews raise this.
“The rat kinda cute tho”
“Came for cute rats, stayed for tax policy and market manipulation.”
6 of the 73 reviews raise this.
“It is a good game. But good lord it is deceptive. You look at it, you expect cute and cozy colony sim. But you are thrown into a fairly intense spiral of problems for you to solve. The game is fairly difficult and does…”
“Neat colony / economy simulator with very interesting and challenging mechanics. Though, some of these mechanics are not as well connected with each other. And difficulty will highly fall off once you realize what are…”
“Quick Summary - A simple‑to‑learn yet deep strategy game – 5‑star rating! - No pressure: you can pause whenever you want. - Manage your town while your rats build, fight, work, gather resources, and conduct research for…”
4 of the 73 reviews raise this.
“Fun cozy game that I can't help but sink dozens of hour into.”
“Quick Summary - A simple‑to‑learn yet deep strategy game – 5‑star rating! - No pressure: you can pause whenever you want. - Manage your town while your rats build, fight, work, gather resources, and conduct research for…”
3 of the 73 reviews raise this.
9 of the 73 reviews raise this · 3 of them still recommend the game.
“Economics simulator, not a relaxing base building game.”
“Sadly, I cannot recommend the game overall. I tried to give it more than one shot and liked a lot of it, but every game I started quickly started to become more annoying than anything. The biggest problem is being…”
3 of the 73 reviews raise this · 2 of them still recommend the game.
3 of the 73 reviews raise this · 1 of them still recommend the game.
“I think I just suck, but I am always struggling. The game feels too difficult to be satisfying. I even tried to adjust all the settings in my favor, but to no avail. It's a super cute game with punishing gameplay. I…”
“Neat colony / economy simulator with very interesting and challenging mechanics. Though, some of these mechanics are not as well connected with each other. And difficulty will highly fall off once you realize what are…”
3 of the 73 reviews raise this.
“Sadly, I cannot recommend the game overall. I tried to give it more than one shot and liked a lot of it, but every game I started quickly started to become more annoying than anything. The biggest problem is being…”
Counted across 73 English reviews, sampled to match this game's 87.7% positive rating · as of 2026-05-13
“This game is basically Oxygen Not Included light. Which is a good thing because sometimes we want to play checkers instead of 5D Chess with Multidimensional Time Travel (that is the name of another great game).”
— a player, Steam review · 2 hrs played“great game! multiplayer would be a cool feature if possible in the future”
— a player, Steam review · 50 hrs played“It's a charming game that I've sunk a good amount of time into over the years, but it should be viewed as a more traditional colony-builder than an "economics simulator" like some people (including the devs) would like to think. Like with all non-player economies that I've seen…”
— a player, Steam review · 50 hrs playedPlayer activity
Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-06 via SteamCharts.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-05.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-04). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
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
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 t
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 lim
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 u
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 com
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-13.
| Genres | Adventure, Casual, Indie, Simulation, Strategy |
| Player tags | Building · Colony Sim · Base-Building · Survival · Difficult · Strategy · Cute · 2D · Management · City Builder · Simulation · Sandbox (SteamSpy community voting) |
| Features | Single-player · Steam Achievements · Full controller support · Steam Trading Cards · Steam Workshop · Steam Cloud · Family Sharing |
| Languages | English * , Korean, Japanese, Simplified Chinese, Traditional Chinese, French, German, Russian, Ukrainian, Portuguese - Brazil, Spanish - Spain, Vietnamese, Thai * |
| Controller | Full support |
| Achievements | 66 |
| Official site | https://www.casselgames.com/ |
Minimum system requirements (PC)
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.