Maker King celebrates its 20th anniversary as its popular game Candy Crush Saga makes a record $20 billion in revenue and over 5 billion downloads.
The matching game, which first launched in 2012, now has 15,000 levels.
Candy Crush Saga has been the top grossing game for over six years in the U.S. app stores.
King is also using AI to improve game performance and user experience.
Candy Crush Saga first began as a desktop game, moving to Facebook and then a mobile game.
King has contributed $747 million in net revenue in the second quarter which is around 31% of the total Activision revenue.