Using specific strategies can increase your chances and improve your overall experience, even though winning at 777 slots ultimately depends on chance. play win 567 loginSelecting games with greater return-to-player (RTP) percentages is a useful strategy. You can improve your chances of winning in the long run by choosing slots with higher RTPs, which show the average amount a player can expect to win back over time. Using Bonus Features and Promotions to Increase Wins.