Dustin has it right. Compendium Sharing is enabled on a per-game basis. If your game is hosted on a free account, you may only share purchased compendiums with one active game that contains no more than yourself plus 5 players (6 total). The pertinent portion of the wiki page states: In order to ensure licensed content here is safe from being exploited beyond intended personal use with this new feature, we are setting the following limits: Free Users Free users may purchase any compendium. They may only share their purchased compendiums with one active game that contains no more than themselves plus 5 players (6 total). Plus Subscribers Roll20 Plus subscribers may purchase any compendium. They may share their purchased compendiums with three active games that contain no more than themselves plus 10 players each (11 total per game). Pro Subscribers Roll20 Pro subscribers may purchase any compendium. They may share their purchased compendiums with five active games that contain no more than themselves plus 15 players each (16 total per game).