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My MacBook is running Mavericks (10.9.5).

I dug out my old "Call Of Duty United Offensive" video game and thought I'd give it a whirl.

Turns out it's PowerPC based and Mavericks does not have Rosetta and will not run it.

Is there any easy and safe way to run this game on Mavericks? Can Rosetta be installed from my old Snow Leopard disks?

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No,there really is not an easy way to run PPC apps on Mac anymore. Your OS X Rosetta disk will definitely fail to install on Mavericks. Apple stripped support for Rosetta following the release of OS X Lion (10.7) and have never put it back.

However, you still have a few (harder) options.

  • Install Snow Leopard in a virtual machine. Here's a guide.
  • Pull out your old PowerPC Mac, if you still have it.
  • Install Snow Leopard in a external hard drive or internal partition and use Rosetta.

When Apple first published Rosetta, they said it was best for low computational apps like Word. In addition, Apple stated that games and high computational apps like CAD software or video editors/compositors would have issues running through Rosetta. COD will probably not run well through Rosetta.

If all else fails, people still sell their old PPC's on eBay.

  • Thanks. Hmm ... If I create a separate 30GB partition on my main HD, can I make it bootable and install Snow Leopard (and the video game) there, and boot from that partition? – Robert Hume Dec 1 '15 at 4:40
  • Just FYI, I used to run this game on Snow Leopard and it ran fine. I guess the game wasn't too intensive for Rosetta. – Robert Hume Dec 1 '15 at 4:42
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    Yes, you can definitely install Snow Leopard on a new partition. This guide, albeit a bit outdated, should be useful. Hmm.... You're probably right. If it ran fine under Rosetta, you could try the Parallels approach, which I think is easier. – Kisa Ayano Dec 1 '15 at 4:44

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