Call of Duty: Modern Warfare 3

New Pointstreak system that rewards players both for landing kills and completing objectives
Weapons proficiency system that allows you to customize your favorite weapons, making them more effiecent in any map or mode
Online/offline 2-player co-op Special Ops Survival mode that earns you experience through 16 frantic objective-based missions
New play modes, including: Kill Confirmed mode, Team Defender mode and user generated match modes
Integration with ‘Call of Duty: Elite,’ an online multiplayer oriented service launched simultaneously with Call of Duty: Modern Warfare 3