Another option is Age of the Gods: Norse: Book of Dwarves which also offers 10, x stake wins, 3 jackpots and free spins. The base game offers decent wild payouts, but it's all about. The Age of the Gods Norse: Book of Dwarves slot is powered by Playtech and is another instalment in its epic Norse myth and legend series. NetBet Casino · Casumo Casino. To play Age of the Gods Norse: Book of Dwarves, you can place bets between 10p and per spin. Top. . The Age of the Gods Norse: Book of Dwarves slot is powered by Playtech and is another instalment in its epic Norse myth and legend series.