While scatter symbols usually trigger free spins or other bonus features, wild symbols can be used to replace other symbols to form winning combinations. Players can more accurately predirummy gamect possible outcomes & create strategic gameplay approaches by being aware of these components. Volatility: Judging Benefit Against Risk. The volatility of the game—that is, the risk associated with playing a specific slot machine—is one significant factor. Larger payouts are available in high volatility games, but they happen less frequently than in low volatility games.