The Boy King's Treasure free game feature is triggered when 3 or more Snakes appear anywhere awarding 15 free games. During free games when Boy King substitutes in a winning combination the prizes are 2x, 3x or 4x times. If two Boy King symbols substitute in a winning combination the multiplier is cumulative up to 16x times. Free games are played at the lines and bet of the triggering game. Scatter wins are multiplied by the total wager. This feature can be re-triggered.