When opting into NIGHT TOWERS, you can set your level to 5, 10, or 20. The bonus can be triggered in two ways: first, if you land a win that is at least five times your current level, a tower rises above the reels; if the MERKUR sun climbs all the way to the top (similar to a high striker), the feature begins. Alternatively, landing three or more 'Towers' scatter symbols anywhere on the reels will also launch the round.NIGHT TOWERS feature, you can choose an additional level of five, ten, or 20. The feature can start in two different ways: If your win is five times the level or more, a tower will appear over the reel set, on which the MERKUR sun will jump up. If it reaches the top of the screen (high striker function), you enter the feature. NIGHT TOWERS also starts when at least three “Towers” scatters appear anywhere on the reels in the base game.