Slot machines' arbitrary nature. On a slot machine, a random number generator (RNG) determines the outcome of each spin, guaranteeing that each spin is independent & has an equal chance of paying ind all slotsoff. This indicates that playing slots requires pure luck and that neither skill nor strategy can ensure a win. Improving Your Odds of Success. There are strategies to improve your chances of winning even though playing slots heavily relies on luck. You can increase your chances of winning by selecting the correct machine, wisely allocating your bankroll, & understanding when to give up.