Steam app 2603020 · updated 12 Sep 2026, 21:02 UTC
Citadelum is a city builder set in legendary Ancient Rome. Build your own settlement, gather resources and evolve it into a magnificent city. Explore the world, trade and lead your mighty legions in epic tactical battles. Earn the favor of the Gods or challenge them, if you dare.
492 hourly samples, with the daily peak drawn over them. Weekends are shaded.
24 months, October 2024 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.
The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.
31 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
31 days as the curve, each the highest figure that day. Behind it, 227 hourly samples from 13 Aug, which is as far back as the source keeps every hour. Weekends are shaded.
12 days as the curve, each the highest figure that day. Behind it, 265 hourly samples. Each dip is a night. Weekends are shaded.
Citadelum was released on 17 Oct, 2024.
| Language | Full audio |
|---|---|
| English | ● |
| French | |
| German | |
| Spanish - Spain | |
| Japanese | |
| Russian | |
| Simplified Chinese | |
| Portuguese - Brazil | |
| Italian | |
| Polish | |
| Catalan | |
| Traditional Chinese | |
| Korean |
A blank audio cell means full audio was not marked in the returned language list.
25 achievements in total.
30 developer announcements, Jan 2024 to Mar 2026 · times in UTC
Ave, citizens of Rome! We want to celebrate with all of you the arrival of the Ides of March, those days of good omens that anticipate the coming of spring. This is a monumental date in ancient history: it also marks the assassination of…
ViktorAve, Citizens of Rome! We have exciting news regarding Citadelum, our ancient Rome city-builder and strategy game. Since our initial launch in 2024, we have worked tirelessly to refine the experience, guided by the invaluable feedback…
Víctor Ávila [Abylight]Ave Citizens! We have important news to share with our dedicated community. Since the release of our empire-building game, Citadelum, we have been dedicated to improving the experience with several major updates and free content releases.…
Víctor Ávila [Abylight]Dear Players,Thank you for your unwavering support! This year, \ is eligible for the Steam Awards, and we would be honored to have your nomination! 🙏 🌟 Our Dedication to the ExperienceRapid iteration based on community feedbackContinuous…
JohnAve citizens, Carthago Delenda Est! (Carthage Must Be Destroyed!) This famous phrase, pronounced by Cato the Elder in the Roman Senate, uttered at the close of his speeches , serves as the perfec hook for the new DLC now available to all…
Víctor Ávila [Abylight]Ave, Citizens, Finally we can announce Citadelum is officially compatible with the Steam Deck. From the very beginning, our vision for Citadelum was to create an immersive city-builder experience set in Ancient Rome, one that truly felt…
Víctor Ávila [Abylight]Ave, Julius Caesar’s Gallic Wars (58-50 BCE) remain a pivotal chapter in Roman history, a testament to his military genius and a catalyst for profound societal change in Gaul. More than mere territorial expansion, these campaigns were a…
Víctor Ávila [Abylight]Ave, citizens of Rome. With the release of Update 2.0 of Citadelum (Devlog XVII: RUBICON Huge gameplay update and new features in Citadelum) we have dedicated much of the efforts to improve the optimization. At the end of the devlog you…
Víctor Ávila [Abylight]Ave, citizens of Rome, It's been six months since the launch of Citadelum, and from our team, Abylight Barcelona, we want to thank the trust and commitment of all those players who have already built their own Roman empire with us. We have…
Víctor Ávila [Abylight]Hail, citizens of Rome. We are pleased to announce that the DLC for Citadelum, The Lost Eagles of Germania is now available on Steam (and coming soon on GOG). It is a complete new campaign, in which to experience one of the most delicate…
Víctor Ávila [Abylight]Ave, citizens of Rome. Two months after the release of Citadelum, our strategy and city building game set in ancient Rome, we want to celebrate with you the release of a new content for our game: The Last Conqueror of Britannia. In this new…
Víctor Ávila [Abylight]Performance improvements: we have disaggregated and added graphical options so the users can have more control and be able to tweak everything further and still have a good performance on their pcs while the game still looks great. Remember…
Patch notesNew language added: Brazilian Portuguese Bug-fixing of errors that could cause the game not to start. Remember that for any problem you can contact us by Discord or Steam Community, we will be listening!
Patch notesAve, citizens of Rome. Only a few days have passed since the launch of Citadelum, and we can already proudly say that Rome is expanding its glory and dominion in all the territories of the empire. Thank you all for playing and sharing your…
Víctor Ávila [Abylight]Ave Dominus, Citadelum will be out next October 17th, and the team is working full steam ahead in the final touches, some bug fixing and polishing. We are truly excited about the final result, you will be able to play very soon on Steam.…
Víctor Ávila [Abylight]Ave, citizens of Citadelum! Today, we want to speak to you from the heart. Being an indie studio isn't easy. The journey has been tough, full of challenges, but also full of learning. We face a world where big names dominate the industry…
AbylightFelixAve, Romans! Today we will see how the gods influence the fate of your city in Citadelum. The Roman Pantheon In Citadelum, the gods are more than mere background elements, they are active participants in the destiny of your city. Six…
AbylightFelixAve, Romans! Welcome to our latest update on the progress of Citadelum. Today, we're excited to dwelve into the intricacies of our combat system, the various enemy types you'll encounter, and the strategic depth that awaits you on the…
AbylightFelixAve, Romans! Welcome to our latest update on the progress of Citadelum. Our team has been hard at work, and we're excited to share the progress we've made. First, let’s review some of the core functionalities that are now complete: Imperium…
AbylightFelixWhen we were designing Citadelum campaign we wanted the player to experience the expansion of Rome, in different years and biomes. Our goal was not only visiting several locations of the Peninsula Italica, but also Hispania and Egypt. To do…
AbylightFelixWelcome to the Citadelum Demo at Steam Next Fest: We are thrilled to share with you the first demo of Citadelum which Includes two missions that will allow you to explore several features of this city builder set in ancient Rome. Each…
AbylightFelixAve, domini! Today, we will talk about the various types of citizens that inhabit Citadelum. Each social and occupational group has an essential role to play in society. From humble plebeians to noble patricians, every citizen contributes…
AbylightFelixCitadelum is the city building and strategy game set in Ancient Rome. Join the developers at Abylight Barcelona in this Next Fest demo playthrough. Enjoy the first levels of the game, including resource gathering and refinement…
Víctor Ávila [Abylight]Citadelum is the city building and strategy game set in Ancient Rome. Join the developers at Abylight Barcelona in this Next Fest demo playthrough. Enjoy the first levels of the game, including resource gathering and refinement…
Víctor Ávila [Abylight]In the latest stages of development we were debating how the camera should work in Citadelum. Did we want a classic look that reminds players of some of the greatest games in the genre or go for a more modern approach that takes advantage…
AbylightFelixThe glory of Rome depends on production, organization and trade of resources, some elements we are implementing in Citadelum. From the extraction of resources to their refinement, and turning them into valuable materials, we challenged…
AbylightFelixIn this devlog, we will discuss how population arrival works in our city and the housing system we have designed to offer an authentic and rewarding experience to our players. Since the beginning of our game development, our goal has been…
AbylightFelixAve citizens, it's time to discover the treasures that our land has to offer and how to obtain them for the benefit of our glorious republic. Wise management of natural resources is key to success and prosperity. Animal Farms In the Animal…
AbylightFelixAs leaders, it is our responsibility to organize all aspects of the city to achieve prosperity and ensure the glory of Rome. Among the crucial elements, the military stands out as one of the most vital. At Citadelum, the integration of…
AbylightFelixAve, citizens! We are pleased to announce CItadelum, our brand new city builder set in the legendary Ancient Rome, with a mythical twist. Enjoy our first trailer: https://www.youtube.com/watch?v=0RnC0l85QmU What can you expect from…
Alex | AbylightEverything Steam lists as add-on content for this game, newest first. Prices are left out on purpose: the store answers this page in one currency and it is not the reader's.
| Name | Platforms | Released |
|---|---|---|
| Citadelum Campaign V: The Third Punic War | Windows | 06 Nov 2025 |
| Citadelum Campaign IV: The Gallic Wars | Windows | 09 May 2025 |
| Citadelum Campaign III: The Lost Eagles of Germania | Windows | 28 Feb 2025 |
| Citadelum Campaign II: The Last Conqueror of Britannia | Windows | 17 Dec 2024 |
| Citadelum Original Soundtrack | WindowsmacOSLinux | 17 Oct 2024 |
What Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | Citadelum.exe | windows |
The folders Steam Cloud syncs. The root is a token Steam uses for a location on your own machine, not a path this page can know.
| Root | Folder | Files |
|---|---|---|
WinAppDataLocalLow | Abylight Barcelona/Citadelum | * |
It runs on public data and somebody's spare time.
https://paypal.me/KintaroPalPay[email protected]0x4d559C765AA8BFe336E36d5b76024926767eD38dTJtctWU9uetJaTBoSybd1RErW7n9duTKVG