Great Houses of Calderia is a Feudal Grand Strategy game inspired by the Mediterranean Renaissance. You are a Noble Family that aims to rule Calderia, a mythical province of the Empire scarred by the insatiable thirst for power.
Make your House shine, extend your influence and triumph over your enemies to rise in the ranks of Calderia and seize the throne of the power-hungry Viceroy!
CHARACTER-DRIVEN
You are not controlling a leader alone, you must also manage the members of your family like the rulers of yore!
Manage your house leaders and their unruly families with their own stories and desires.
Appoint your family members to key tasks and manage their time - whether they like it or not.
Take into consideration the traits and personality of each character when assigning them.
Characters’ personalities and traits change over time alongside the events they experience.
"IN THE REALM OF POLITICS AND WAR, WISE SCHEMES AND A THRIVING ECONOMY STRENGTHEN A RULER'S POSITION." – NICCOLO MACHIAVELLI
Make critical decisions during both battles and major diplomatic events - marriages, peace negotiations, distribution of titles - to gain every advantage over your rivals
Manage battles through the Real-time tactical unit management system.
New titles cannot be solely achieved on the battlefield, but through a delicate balance of diplomacy, cunning intrigue, and prosperous trade
CREATE ENDLESS STORIES
Discover the fantastic land of Calderia, its legends and myths, shape it with your actions and generate endless stories!
Define the traditions, values, and goals of your family. You have unlimited possibilities.
Experience the personal stories of your extended family and see your reputation grow.
With our standalone modding tool you can create or experience unique, captivating stories within the game. Unleash your creativity and shape narratives and characters of your own.
Ensure your family withstands the test of time and ascends the ranks of Calderia by:
Managing and expanding your own fiefdom and its population.
Elevating your nobility status and vassalizing others.
Cultivating a rich tapestry of traditions unique to your House.
Attaining Honorary Ranks that will define how your rule influences the fate of Calderia in the end times.
ULTIMATELY, MASTER THE ART OF GRAND STRATEGY THROUGH A FOCUSED AND A HIGHLY REPLAYABLE GAME
Graphics: Nvidia GeForce GTX 760 with 2GB of VRAM or equivalent
Storage: 20 GB available space
Directx: Version 9.0c
To activate the game, you need a Steam Account
Login or register at the official Steam Website and download Steam client
Install and start application, login with your Account name and Password
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process
After the successful code verification, go to the "MY GAMES" tab and start downloading.
News & Updates
2026-02-13
Double the Thrill: Love & Fear Weekend is Here
As per usual every year, February is the season of romance and love, so we decided to make a YUPLAY promotion campaign for the occasion and because we know you love gaming so much! There would be a storewide discount on all of our available game titles and of course there would be many gifts to obtain! just make an order of at least 20€ between 13.02.2026 15:00 CET and 16.02.2026 15:00 CET, and you will get a FREE game…
For the first monthly recap of the year, we have prepared some truly interesting picks to focus on and we can’t wait to share them with you, so read on if you wish to find out the cool gaming news and important info about a major title cancelation and company restructuring that we have chosen to present to you this time! The upcoming Marathon release date and a new Life Is Strange title and more…