In order to run the game with satisfactory performance, your Mac must meet these minimum system requirements: 2.2 GHz CPU Speed | 4 GB RAM | 10 GB free disk space | (ATI): Radeon HD 3870 (NVidia): GeForce 8800 | (Intel): HD 3000 | 256 MB VRam NOTICE: The following video chipsets are unsupported for The Sims 2: Castaway Stories: Your feedback helps us make better games. Our Customer Support team is happy and eager to help.