Candy Crush is a popular mobile puzzle game developed by King. The objective of the game is to match three or more candies of the same color to clear them from the board and earn points. The game is level-based, and each level has different goals to achieve within a limited number of moves. As players progress through the game, they encounter various obstacles such as blockers, bombs, and chocolate that add to the difficulty level. Candy Crush is free to play, but players have the option to purchase in-game items to help them progress more quickly.