In Vikings go Berzerk slot by Yggdrasil the mighty Vikings are back in this feature-packed sequel. The core mechanics are untouched, the Vikings go Wild in the free spin mode, this time by defeating mythological siren creatures. The Vikings can go Berzerk, meaning they will ALWAYS defeat the siren and turn into a wild. By filling the rage collections in the base game keep the Vikings Berzerk.
From Yggdrasil