Crusader Kings II: Imperial Collection - PC Windows,Mac OSX,Linux

Crusader Kings II: Imperial Collection
The ultimate Crusader Kings collection, includes the Base Game, ALL Expansions and ALL Content, Music, Unit and Portrait Packs ever released.

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Steam account required for game activation and installation

PC System Requirements
MINIMUM:
OS: Windows 7
Processor: Intel® Pentium® IV 2.4 GHz or AMD 3500+
Memory: 2 GB RAM
Hard Disk Space: 2 GB
Video Card: NVIDIA® GeForce 8800 or ATI Radeon® X1900, 512mb graphics memory required.
DirectX®: 9.0c
Sound: Direct X-compatible sound card
Additional: 3-button mouse and keyboard

Mac System Requirements
MINIMUM:
OS: Mac OS X 10.6.8 or later
Processor: Intel Core Duo Processor (2GHz or better)
Memory: 2 GB RAM
Hard Disk Space: 2 GB
Video Card: ATI Radeon HD 6750 / NVIDIA GeForce 320 / NVIDIA GeForce 9600 or higher, 1024MB graphics memory required

Linux System Requirements
MINIMUM:
OS: Ubuntu 12.04 LTS
Processor: IntelR PentiumR IV 2.4 GHz or AMD 3500+
Memory: 2 GB
Hard disk space: 2 Gb
Video Card: ATI Radeon HD 6750 / NVIDIA GeForce 320 / NVIDIA GeForce 9600 or higher, 1024MB graphics memory required.