Can you play it when the resolutions and graphics are lowerd?
If thats a yes, then its your graphics and memory being a issue.
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I dont know if mac is well supported, so i could be wrong but it could be the reason it does not run it.
But just to be sure, what are your GPU, CPU and Ram and Vram?
You can get a clear info about the GPU and its Ram and Vram size with dxdiag
I ask this because your Graphic, Processor or your overall memory on your Graphic card and your laptop might be to low to handle it.