This series of adventures were designed to be "interactive", which in Living Greyhawk meant they were intended to be played as a semi-LARP scenario. The scenarios had a traditional table-top component and a LARP component. Costuming was encouraged but not required. There is no standard approach to the methodology of table-top and LARP fusion; some regions promoted the "interactive" with more enthusiasm than others. Note that a given "interactive" adventure might have been published in multiple documents.
Most of these adventures focus on significant political events (e.g. a marriage, a treaty, etc.) for the region. The event itself often is the "interactive" portion of the adventure. However, this approach is not always followed. No set of formal LARP rules is instituted.
Because interactive scenarios had limited distribution, many remain quite difficult to locate today.
It was fairly typical for players to confuse the Introductory and Interactive labels - and indeed the general (and non-standardized) use of letter codes "I" or "INT" to identify both types of adventures did little to clarify things.