The machine's RTP percentage is one of the first things to check. Because they statistically return more money over time, machines with higher RTPs are generally more advantageougmat slotss to players. You can determine which machines are worthwhile of your time and money by researching various machines and their RTPs. Consideration should also be given to the slot machine's theme & features. Certain themes, like adventure, mythology, or vintage fruit machines, appeal to a lot of players because they improve the overall gaming experience.