Detail asset from Unity Asset Store: https://assetstore.unity.com/packages/tools/gui/field-complete-main-menu-ui-129662
But now you can download Field – Complete Main Menu UI FREE.
Field – Complete Main Menu UI v1.2a
Field UI is a complete main menu UI system. Everything you see is included in the package and functional.
• UI elements
• UI scripting
• Splash screen system
• Login screen system
• Sound system
• Tooltip system
• Modal windows
• Notification system
• Custom UI elements
• Model dissolving system
• Support for all horizontal aspects
• Mobile support (beta)
If you’re thinking to get this package for mobile, you might wanna wait for a while. Right now, it’s in development stage.
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