Click +/- in the lower right corner to adjust the coin size from 0.01 to 2. Each time you click the "Bet per line" button, a coin will be added to the online bet. To add a payline, the player should press "Select Line". "Rotate" starts the game and "Bet Max" bets the maximum sum and starts the rotation of the reel. To play multiple times in a row, the player can click the wrench button in the upper right corner and then "auto play".