"Master of Coin" is a simple and fun casual game of click-to-eliminate color squares. In the game, players need to click on the same color squares to eliminate them and get as high a score as possible.

The gameplay is very simple, players just click on adjacent squares on the screen, if they are the same color, they will be eliminated and get the corresponding score. The game uses a grading system, players can level up according to the number of squares eliminated, and each level unlocks some special skills or items to make the game more interesting.

The game also provides a leaderboard function, where players can compare with other players around the world and strive for a higher ranking on the list. At the same time, the game also has different themes and background music for players to choose from, increasing the diversity and fun of the game.