This content requires the base game in order to play:
Crusader Kings II
Game Description
System Requirements
Activation Details
Enhance your Crusader Kings II Experience with the Byzantine Unit Pack. The Byzantine Unit Pack adds unique unit graphics in the Byzantine Empire and other Greek, Armenian or Georgian states.
Crusader Kings II explores one of the defining periods in world history in an experience crafted by the masters of Grand Strategy. Medieval Europe is brought to life in this epic game of knights, schemes, and thrones...
Key Features:
Unique unit graphics for the Byzantine Empire and other Greek, Armenian or Georgian states.
windows Minimum
OS: Windows XP, Windows 7, Windows Vista
Processor: Intel® Pentium® IV 2.4 GHz or AMD 3500+
Memory: 2 GB RAM
Graphics: NVIDIA® GeForce 8800 or ATI Radeon® X1900 video card, 512Mb graphics memory required
Storage: 2 GB HD space
Directx: 9.0c
Network: Broadband Internet connection
Sound card: DirectX compatible sound card
Additional notes: 3-button mouse and keyboard
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…