The pre-packaged Roll20 adventures are actually called "modules" which are for-sale in the Marketplace. Those must be purchased, other than that it works kind of like you described (pre-made and sort-of zipped up, made for others to use). Here is the link to look at those options: <a href="https://marketplace.roll20.net/browse/modules" rel="nofollow">https://marketplace.roll20.net/browse/modules</a> Unfortunately no, we don't have Exporting of a campaign or much in the way of sharing from user-to-user within Roll20, partly for reasons related to copyright, and having to do with the Marketplace also. Nevertheless, note there are 1000's of free adventures and resources online that you can use and share. But they are not zipped-up Roll20 campaigns ready to go out-of-the-box. There are free maps online. There are free 'modules' or 'adventures' which is usually a text, illustrations, and maps, sometimes in paper/print, sometimes in PDF. Some are sold, many are free, if you search around online, depending on your gaming system preferences.