Call of Duty: Modern Warfare 3 (Mac OS X). The best-selling first person action series of all time returns with the epic sequel to multiple “Game of the Year” award winner, "Call of Duty®: Modern Warfare® 2." In the world’s darkest hour, are you willing to do what is necessary. Prepare yourself for a cinematic thrill-ride only Call of Duty® can deliver. The definitive Multiplayer experience returns bigger and better than ever, loaded with new maps, modes and features. Co-Op play has evolved with all-new Spec-Ops missions and leaderboards, as well as Survival Mode, an action-packed combat progression unlike any other. = SYSTEM REQUIREMENTS. MAC OS X: 10.9.3. CPU TYPE: Intel Mac Only. CPU CORES: 2. CPU SPEED: 2.2 Ghz. SYSTEM RAM: 4 GB. DRIVE SPACE: 13 GB. VIDEO RAM: 512 MB. VIDEO (ATI): ATI Radeon HD 4850. VIDEO (NVIDIA): NVIDIA GeForce GT 640M. VIDEO (INTEL): Intel Iris. IMPORTANT NOTES:. *Requires Steam and a Steam Account to play. = PURCHASE LINKS. Click here to buy:.