Yggdrasil's Thunder of Thor slot is the first release in a new series of viking legend slot games – known as the 'Valhalla Saga'. Released in November 2021, Thunder of Thor is based on the legend of Thor's hammer, a weapon with the power to rain slot wins upon gamers and defeat the enemies in the viking realm.  Thunder of Thor combines amazing arcade slot graphics and sounds, with powerful new bonus features and classic video slot simplicity.