Wild:
-Appear only on 2nd, 3rd or 4th reels. it can combine with other symbols to win double bonus.

Scatter:
-Appear on 1st, 2nd,and 3rd reel or 3rd, 4th and 5th reels with 3 or more will trigger free game.

-Both during main game and Free Games in Highway King winning combinations on active paylines pay both directions: from left to right and from right to left.

-The left-to-right winning combination must start from the leftmost reel and the symbol must be consecutively.
-The right-to-left winning combination must start from the rightmost reel and the symbol must be consecutively.
-If more than one active payline has a winning combination in Highway King, the winnings are added up.
-Wild can replace other symbol and complete the winning combination with other symbol.
-The total score for each round is multiplied by the odds per line bet.
-Scatter wins are multiplied by total bet.

The Scatter symbols in Highway King do not have to occur on any particular payline. If there are 3 or more Scatters anywhere on the reels after a main game or a Free Games spin, the payout earned is multiplied by the total bet and added to payline winnings, if any.

* Scatter bonus with the total bet multiplied by odds
5 * 100 + 25 free games
4 * 10 + 15 free games
3 * 5 + 10 free games
2 * 1