OS:OS X version Snow Leopard 10.6.3, or later.
Memory:2 GB RAM
Graphics:OpenGL 2.1 and shader model 3 with 512 MB of memory.
Hard Drive:500 MB HD space
Additional:Not recommended for Intel integrated graphics, Mac Mini's, or early generation MacBooks
Online:Steamworks required for online play, LAN not supported on Mac
Save location (Steam version): Steam Cloud Last updated · Mac OS last tested: 10.9.2