Yeay! it works for mac systems
![Grin ;D](http://universesandbox.com/forum/Smileys/default/grin.gif)
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Microsoft Windows 8.1 sucked at running the alpha it gave me a performance score 33.5 (considerably when it tested galaxy collision) but 69.0 on Mac OS X (4x less noticeable of choppiness when testing galaxy collisions)
Note:I dual-booted these OS's on MacBook Pro (early 2011).