King releases Candy Crush Saga on Facebook, marking the beginning of its rise as a popular casual game.
The game integrates in-app purchases, allowing players to buy boosters and extra lives, greatly increasing revenue.
Activision Blizzard acquires King Digital Entertainment, the developer of Candy Crush Saga, for $5.9 billion.
King releases Candy Crush Soda Saga, a sequel to Candy Crush Saga with new gameplay features and levels.