This pack contains 50 unique dynastic shields for the 50 most famous families of Medieval Europe. Including the historical insignia for von Habsburg, af Bjälbo, Komnenos, Rurikovich, Plantangenet, von Wittelsbach & Ylving.Minimum RequirementsPC:Operating system: XP/Vista/Windows7Processor: Intel® Pentium® IV 2.4 GHz or AMD 3500 Memory: 2 Gb RAMHard disk space: 2 GB Available HDD SpaceVideo: NVIDIA® GeForce 8800 or ATI Radeon® X1900, 512mb graphics memory required.Resolution at least: 1024*768Sound: Direct X-compatible sound cardDirectX®: DirectX 9Controller support: 3-button mouse, keyboard and speakersSpecial multiplayer requirements: Internet Connection for multiplayerMac:Operating system: Mac OS X 10.6.8 or laterProcessor: Intel Core Duo Processor (2GHz or better)Memory: 2 GB RAMHard Disk Space: 2 GBVideo Card: ATI Radeon HD 6750 / NVIDIA GeForce 320 / NVIDIA GeForce9600 or higherPeripherals: Mouse, keyboardLinux:Operating system: Ubuntu 12.04 LTSProcessor: Intel Pentium 2.4 GHz or AMD 3500 Memory: 2 GB RAMHard Disk Space: 2 GBVideo Card: ATI Radeon HD 6750 / NVIDIA GeForce 320 / NVIDIA GeForce9600 or higher; 1024MB graphics memory requiredPeripherals: Mouse, keyboardRequires the base game Crusader Kings II to play.Genres: Strategy Age Ratings: Not Rated: Not RatedPublisher: Paradox InteractiveDeveloper: Paradox InteractiveInstructions: In order to activate this game, you will require a third-party \'Steam\' account. For full details on how to activate please follow this link: https://support.steampowered.com/kb_article.php?ref=5414-TFBN-1352