If your question isn't answered in this post, feel free to ask in the thread, and we'll try to answer. If you have an issue that isn't listed, or the game is consistently crashing, please report it...
No, I'm afraid it fails on the graphics card requirement. My own elderly lady from that series, a 2011 iMac, would be suffering a similar fate if I hadn't pretty much retired her early last year in favor of a new one.