Go on a virtual crusade for wild symbol features, respins, and progressive jackpots with the Wild Crusade: Empire Treasures slot. Feel the chill of the never-ending night with the Vikings Go Berzerk Reloaded online slot from Yggdrasil. December - Detailed information, review, notes and statistics for Leo Vegas Casino (est. Set sail into the snowy darkness in search of. LeoVegas is an online Casino Games site. . ) operated by LeoVegas Gaming Ltd. Ever wanted to party like a Viking? Now you can with Viking Mania, a slot machine by Playtech with 3D graphics, triple-win free spins and a bonus side game. Find out everything you need to know about LeoVegas before you play.