1191 AD. The Third Crusade is tearing the Holy Land apart. You are Altair, a Master Assassin sent to kill corrupted leaders profiting from the war. As you carry out your missions, you find yourself tangled up in a conflict that threatens not only the Holy Land, but the entire world. Master the skills, tactics, and weapons of history’s deadliest and most secretive clan of warriors. Plan your attacks, strike without mercy, and fight your way to escape. Experience a living, breathing world in which all your actions have consequences. Crowds react to your moves, and will either help or hinder you on your quests. Do whatever it takes to achieve your objectives.
Be an Assassin: Plan your attacks, strike without mercy, and fight your way to escape.
Realistic and responsive environments: Every action has its consequences. Crowds react to your moves, and will either help or hinder you on your quests.
Action with Total Freedom: Eliminate your targets wherever, whenever, and however. Do whatever it takes to achieve your objectives.

System Minimum Requirements:

* CPU: Intel Pentium D 2.6 GHz / AMD Athlon 64 X2 3800+ (dual-core)

* System Ram: 1 GB (XP), 2 GB (Vista)

* Operating System: Windows XP / Vista, 64bit editions not supported

* Drive Type: dual-layer DVD Drive

* Free Disk Space: 8 GB
* Video Card: 256 MB DirectX 10.0 Graphics Card or DirectX 9.0?compliant card with Shader Model 3.0 or higher, PCI Express

* Sound Card: DirectX 9.0 or 10.0?compliant

Recommended Requirements:[11]

* CPU: AMD Athlon 64 X2 4400+ / Intel Core 2 Duo 2.2 GHz or better

* System Ram: 1 GB (XP), 2 GB (Vista)

* Operating System: Windows XP / Vista, 64bit editions not supported

* Drive Type: dual-layer DVD Drive

* Free Disk Space: 8 GB

* Video Card: 256 MB DirectX 10.0?compliant video card or DirectX 9.0?compliant card with Shader Model 3.0 or higher, PCI Express

* Sound Card: DirectX 9.0 or 10.0?compliant, 5.1 Channel Surround

Available for users only