1. In the Studio, navigate to Content > Quiz Calendar.
2. Open the quiz calendar you want to customize and click Settings.
   
   
3. Select the option Custom Image. 
   
   
4. Click Upload an image.
5. Select the image you want to upload from your computer.
   
   The image will display centered in the quiz calendar. The same image will be used for mobile and desktop screens, so be sure that the most important visual elements are towards the center of the image.
6. Click Save.

You’ve added a custom background image to your quiz calendar. Now you can preview how the image will look for your users. 

Correct quiz answers are shown immediately after a user answers a question by default. You can disable this functionality to keep competition healthy and make sure answers aren’t shared prematurely. Answers will be revealed the next day instead. 

1. In the Studio, navigate to Content > Quiz Calendar.
2. Open the Quiz Calendar you want to customize and click Settings.
   
3. Deselect the option Show Correct Answer Immediately After Answering. 
   
   
4. Click Save.

You have hidden the correct answers from displaying immediately in your quiz calendar. Users will only see the correct answers the next day. 

The ranking tab in the Quiz Calendar allows your employees to see how many points they have for a given quiz and where they stand compared to other colleagues. By default, the ranking tab is not shown. Turn on the ranking tab to add an extra level of excitement to your quiz calendar.

1. In the Studio, navigate to Content > Quiz Calendar.
2. Open the Quiz Calendar you want to customize and click Settings.
   
   
3. Select the checkbox Show Ranking.
   
   
   
4. Optionally, select the checkbox Hide User Names in Ranking. This will allow your employees to see their own name and where they rank against their colleagues, without seeing individual names.
5. Click Save.
   

How Your Users Will See the Ranking Tab

Lengthen or shorten the duration of a calendar directly in the quiz settings while keeping all existing content. This is useful in cases where you entered the start or end date incorrectly, or want to change the timeline.

Shorten the Duration

The minimum duration of a quiz is two days. When you shorten the duration of a quiz, any previously filled-in content for the removed days will no longer be available.

1. In the Studio, navigate to Content > Quiz Calendar.
2. Open the Quiz Calendar you want to customize and click Settings.
   
   
3. Change the Start Date and/or End Date to the shortened date range.
   
   
   The confirmation dialog to shorten the duration opens.
4. Click Shorten.
   
   
5. Click Save.

Lengthen the Duration of a Quiz

The maximum duration of a quiz is 40 days. Once you have lengthened the quiz, you will need to create content for the newly added days.

1. In the Studio, navigate to Content > Quiz Calendar.
2. Open the Quiz Calendar you want to customize and click Settings.
   
   
3. Change the Start Date and/or End Date to the shortened date range.
   
   
   The confirmation dialog to lengthen the duration opens.
4. Click Lengthen.
   
   
5. Click Save.