A Complete Guide to Making the Most of Your Experience Spin slots, also known as slot machines, are among the most widely played games in casinos & online gaming environments. These games essentially work on the following piggy riches slotssimple principle: players spin the reels, insert money, & hope to land winning symbol combinations. The simplicity and potential for large payouts, frequently with little effort, are what make spin slots so alluring. Because each machine has a random number generator (RNG), each spin is unique & unpredictable. Since players can never be completely certain when a significant win might occur, this randomness is what makes slots so thrilling.