Welcome to medieval times with heroes, dragons and book symbols, welcome to Swintt’s new Premium video slot Book of Nibelungen, which hides max wins of up to 5500 x bet. This game has the classic Book Feature, where 3 Book Symbols trigger Bonus Feature, which allows you to choose between Kriemhild or Siegfried Free Spins. Kriemhild Free Spins trigger a wheel where you can win from 6 to 25 Free Spins with an expanding Wild Symbol. Siegfried feature brings two wheels where you can win 8,10 or 12 Free Spins and one expanding Lucky Symbol. May the heroic legends bring you luck in the Book of Nibelungen!