.MENU File Extension
File TypeQuake 3 Engine Menu File
What is a MENU file?
Menu file used by id Tech 3 (Quake III engine) games; specifies the layout and properties for the game menus and the HUD (Head-Up Display) interface; saved in a plain-text format; commonly stored within .PK3 game packages.
MENU files can be used for customizing buttons, backgrounds, and mouse over behaviors, and the first-person perspective display features, including menus, text styles, colors, textures, gun crosshairs, and the locations of interface elements.