| Option Category | # # CORE MISC OPTIONS # |
| Description | This option lets you set the style of the user interface. There are two types simple or cabinet. The simple version is very much like the old MAME interface. |
| Full Command | -ui <ui type> |
| Alt. Command | none |
| Reverse Command | none |
| Example | mame64.exe -ui simple |
| mame.ini Command | ui |
| Command Default | cabinet |
| Argument Format | <ui type> |