Snowballs

 a limited-time currency available during the A Simpsons Christmas Special 2018 Event. They used during the Act 2 main questline A Savage Thaw, and the total is only visible there. The counter resets after each stage of the questline and earned do not carry over from one part to the next.

How to Obtain
obtained in the following ways:
 * Sending characters to their limited-time jobs at Simpson House or Brown House basically 6  per one finished job.
 * In comparison to Act 1, five new non-premium characters earn event's currency: Wiggum, Krusty, Mr. Burns, Martin, Nelson. Instead of other five characters from Act 1 who don't: Apu, Ned, Willie, Skinner, Brockman.
 * New premium characters from Act 1 don't earn : Circus Acrobat, and Kathy from Personnel. There are three new premium characters with jobs earning.
 * The Timberlog Diner 11  every 4 hours, if bought and placed.

Jobs
Jobs that earn (non-premium / premium characters):

Prizes
US$