You can configure an experience using its settings during creation. You can edit an experience's settings by clicking Settings in the top toolbar of the Experience Editor.

Here is a description of each setting:

NameThe experience name is visible to users and participants. 
CodeThe unique experience code. Participants use this code to access an experience.
Require Player Login?Select No for anonymous participation; Yes for capturing audience data. Learn more.
TeamsThe experience team mode. Set to Disabled for non team-based experiences.
Team Score MethodThe team score method controls how points are awarded when using teams.
ThemeThe experience theme.