A callout is a call for a specific game type or mode. Past callouts have covered Music, Winterfest, and Fortnitemares. For each callout, submissions are usually open for 30–60 days. Once the call closes, the submissions are reviewed over the next week or so, and the selected features are then available on the Callout row in Discover. Callouts change periodically.
You can submit your island for a specific callout using the Creative Content Submission Form.