There are many different types of online slot machines. Some slots are based on three reels while most of them have five reels on which various images are placed. To play these pokies, you click a button or tap on a space that says spin. The reels of the will spin and when they stop, you will see what images rest on a pay line. If these images match, you can win real cash. How much you can win depends on the specific slot machine and what images are on the pay line. The more rare the images are, the more you can win. The amount of the pay out is also directly related to how much you bet. The larger your bet, the more you could win with a lucky spin.