The Special Categories Event is a limited-time Event where you must answer a number of questions from a special event category in order to earn a Gem rewards!

To play a Special Category, tap the "Special Category" button as it appears on the Event scroller in the Main Lobby. The Special Category option may also appear on the "Choose a Category" window when starting a level.

After selecting the Special Category, an Event countdown timer will be shown as well as a progress bar to show your progress through the Event.

Once you have reached the final reward milestone, the Event will end automatically.