You can open your Event Settings by clicking on the gear icon on your event page. In the Event Settings, you can take the following actions:
Hosts:
RSVPs:
Turn RSVPs on/off
Set the number of +1s that guests can bring
On your event page - Allow your guests to invite their mutuals (aka people they've partied with before!)
Questionnaire:
Display + Privacy:
Anonymize guest list for your guests
Hide guest count for your guests
Require a password to view your event
Audience:
Set your event to public or keep it private
Photo Album:
Allow your guests to upload photos
Cost Per Person:
Check-in Access:
Auto-Reminders: