Candy Crush Saga is a free-to-play match-three puzzle video game released by King on April 12, 2012, for Facebook; other versions for iOS, Android, Windows Phone, and Windows 10 followed. In the game, players complete levels by swapping colored pieces of candy on a game board to make a match of three or more of the same color, eliminating those candies from the board and replacing them with new ones, which could potentially create further matches. Matches of four or more candies create unique candies that act as power-ups with larger board-clearing abilities. Boards have various goals that must be completed within a fixed number of moves or limited amount of time, such as a certain score or collecting a specific number of a type of candy. Candy Crush Saga is considered one of the first and most successful uses of a freemium model; while the game can be played completely through without spending money, players can buy special actions to help clear more difficult boards, from which King makes its revenues - at its peak the company was reportedly earning almost $1 million per day. Around 2014, over 93 million people were playing Candy Crush Saga, while revenue over a three-month period as reported by King was over $493 million. Five years after its release on mobile, the Candy Crush Saga series has received over 2.7 billion downloads, and the game has been one of the highest-grossing and most-played mobile apps in that time frame. King has since released three related titles, Candy Crush Soda Saga, Candy Crush Jelly Saga, and Candy Crush Friends Saga, and most of the company's other mobile titles follow the same Saga freemium format. Developer: King Publisher: King Platforms: App Store, Google Play, Microsoft Windows, macOS, Linux etc.