The base game consists of 6 reels which are all 5 high. The paying mechanic is pay-anywhere and the total number of the same symbol on the screen at the end of a spin determines the value of the win. At least 8 regular symbols of any kind are required for a win. Scatters pay if at least 4 are in view.
Winning combinations are paid and all winning symbols disappear. New symbols then tumble in from above to replace the empty positions. Scatter wins do not get destroyed and scatter wins are paid when no more winning combinations have occurred.
Tumbling will continue until no more winning combinations are available. There’s no limit to the number of possible tumbles.