answer:What type of Mac are you trying to run the game on? Here are the computer requirements to run the game. OS Mac OS X 10.5.7 Leopard or higher PROCESSOR Intel Core Duo MEMORY (RAM) 2GB HARD DISK SPACE 6.1GB of space, 1 GB extra for saved games and custom content VIDEO CARD ATI X1600 or Nvidia 7300 GT with 128 MB of video RAM or Intel Integrated GMA X3100 SUPPORTED VIDEO CARDS: ———————— NVIDIA GeForce series 7300, 7600 8600, 8800 9400M, 9600M GT GT 120, GT 130 ATI Radeon™ series X1600, X1900 2400, 2600 3870 4850, 4870 Intel® Graphics Media Accelerator (GMA) GMA X3×00 series Intel ® Graphics Media Accelerator (GMA) GMA 3-Series . This game will not run on Mac systems with processor PowerPC (G3/G4/G5) or video cards with integrated GMA 950 series.