The three reels of 777 slots usually contain a variety of symbols, such as the well-known triple seven combination that gives the game its name. Players try to win prizes by matching slots meta rummysymbols across paylines. These slots' easy gameplay makes them suitable for novice players, but the possibility of huge payouts draws in seasoned players. In order to improve the gaming experience, 777 slots have added new features and technologies over time. Bonus rounds, progressive jackpots, and themed graphics are possible features of more recent iterations.