Aligning matching symbols across the paylines is the straightforward goal in order to win prizes. As players wait for the coveted combination that 789 slots allcould result in large payouts, the suspense increases with every spin. Although 777 slots are mostly games of chance, players can increase their chances of winning real money by using a number of strategies and tips. Understanding the game's return-to-player (RTP) percentage is a basic tactic.