Several JARs

Applies to the Standard Project type only.

The concept of a disc menu with several JARs:

How to create a disc on which the Top Menu is disabled for the main menu:

An example that illustrates this concept is "5. Multi JAR.bdmd" in Simple.zip:

To keep the selected audio/subtitles/chapter and the resume points in sync, set Project properties → General → Disc settings to "Restore on disc load".