Game's features are:

CASCADE FEATURE: Cascade feature is available in base game and Free Spins. After wins are paid, all winning symbols disappear from the reels and then cascade starts - symbols fall down on the empty places. If new wins occur, the feature continues. During the feature progressive multiplier occurs. Multiplier value starts from 1 and increases by 1 after each cascade for the next win. The Cascade feature ends if no win occurs. In base game multiplier value resets to 1 after the feature ends.

FREE SPINS: 4 or more BONUS symbols trigger 15 free spins. Cascade feature is available in Free Spins. Progressive multiplier starts with the value awarded on Free Spins trigger and increases by 1 after each cascade for the next win till the end of Free Spins. 3 or more BONUS symbols award 5 additional free spins.

BUY FREE SPINS: The BUY FREE SPINS button allows the purchase of instant access to the FREE SPINS at the displayed bet and price. This purchase automatically initiates a spin that triggers the FREE SPINS.

EXTRA BET: Extra Bet feature increases a chance to be awarded with Free Spins mode. When Extra Bet feature is active Free Spins mode purchase is disabled.