Special features & bonuses are found in many 777 slot machines, which can improve the overall gaming experience and offer more chances to win big. A common characteristic is thebonus 51 rummy wild symbol, which can be used to help form winning combinations by substituting for other symbols. Your chances of landing a winning spin and getting paid out can be greatly increased by doing this. The free spins feature, which is another well-liked bonus feature in 777 slot machines, is frequently triggered by hitting scatter symbols on the reels.