Use your mouse to reposition the ball at the top of the screen & left click to drop it into play.The welcome screen has a sound control button in the upper right, a game developer information button in the lower left, and a more games button in the lower right.Your web browser automatically saves your high score.2048 mode ends when you merge up to 2048 & endless mode ends when you reach 16,384.On the welcome screen select to play in standard 2048 mode, or endless mode.Tap anywhere on the game loading screen to bring up the welcome screen.Drop balls into the container where they will create merges with identical balls.