In order to improve gameplay and increase chances of winning big, many 777 slots come with bonus rounds & special features. The wild symbol is one typical unique feature that can be used to create winning combinaonline slots autions by substituting for other symbols. Wilds have the potential to yield large payouts and greatly raise the likelihood of finding a winning combination. Also, certain 777 slots might have scatter symbols that, when landed in particular combinations, can award bonus rounds or free spins. Players can play interactive mini-games during bonus rounds in 777 slots to increase their chances of winning prizes or multipliers.