First of all, visit “Integrations” page and click on “Google Analytics” and then click on “Enable Google Analytics”:

Same for the other apps.

If Google Analytics or Google Tag Manager is connected with your website, we'll automatically send the appropriate events to further customize the conversion. Let's get started. First, go to “Conversions” → “Overview” and click on “Set up goals” button:

Then click on “New goal” button:

In the next step, choose a “Goal set-up type” - “Custom”:

Name the goal and select the type - “Event”

Fill out the “Category” and “Action” fields then click Save.

List of “Сategories” and “Actions” target settings:

Category:
hoversignal
hoverlottery - for the "Lucky Lottery"

Action for the HoverSignal:
signal_submit - popup contact form is full and sent
signal_click - the user clicked on the signal

Same for the other apps:

Action for the Lucky Lottery:
lottery_submit 
lottery_click 

Action for the Easter Eggs:
quest_submit 
quest_click 

Action for the Spinning Wheel:
spinner_submit 
spinner_click 

Action for the Quizzes:
quiz_submit 
quiz_click