Before spinning the reels, players should become familiar with the rules and paytable of each slot game, as each one has these specifics. Players can modify their wager size based on theipte exam slotsr preferences and financial situation after choosing a game. Playing & winning. The majority of 777 slots provide players with adjustable betting options, letting them decide how much they want to bet on each spin. Once they have placed their bets, they can start the game by pressing the spin button or, if they would rather not be involved, by using the autoplay feature.