Knowing the Return to Player (RTP) percentage of various slots is one of the best strategies to increase your chances of winning. The averaggolden envelopee amount a player can anticipate to win back over time is called the return on percentage (RTP); for example, a slot machine with a 96 percent RTP theoretically returns $96 for every $100 wagered. Over time, players can increase their chances by selecting games with higher RTPs.