SimCity 4 Command Line Options
-w				Window Mode
-f				Full Screen Mode
-audio:off			No audio.
-d:xx				Software | OpenGL | DirectX
-CustomResolution:enabled	enables custom resolutions
-r:WxYxZ			Screen Resolution, Z is 32 or 16 bit depth
-Intro:off			No Intro videos.
-CPUCount:x			Number of CPUs. Multiple threads seems buggy, CPUCount:1 won't crash.
-EH:off				Reduces the shadow quality
-CPUPriority:low		Low CPU Priority
-IgnoreMissingModelDataBugs:xx	[on|off] disables brown boxes (shows nothing on error)
-BackgorundLoader:xx		[on|off] enables loading non-visible models in background
-l:english			[English | German | UK English | Traditional Chinese | Japanese]
-AllowMultipleInstances		Allows Multiple Instances
-CustomCursors:disabled		Disables Cursors.
-Cursors:xx			[disabled | bw | color16 | color256 | fullcolor]
-ExceptionHandling:off		Disables exception handling.
-gp				Pauses the game when you switch windows.
-IME:xx				[enabled|disabled] Enables in game IME on Asian systems.
-RenderProp:,value		Sets a render property 
-Restart			Only used internally for restarting the application
-UserDir:path			Specifies the user directory.
-Writelog:xx			[on|off] Allows writing 'computer-config-log.txt'.
-CodePage:id			Set MSVCRT Codepage.
-ConfigLog:xx			[server|off] The default server for computer-config-log.txt is studiotech.max.ad.ea.com.