. Play Crystal Quest: Frostlands at LeoVegas Casino, just one of the many casino games on offer including slots, table games and live dealer tables. In Crystal Quest: Frostlands, there are 5 bonus features. Bundle up and step into the treacherous terrain inhabited by terrifying snow creatures and even scarier wild critters guarding the entrance. Crystal Quest: Frostlands is a 6-reel, line online slot game with bonus round, bonus spins, instant play, autoplay, video slots, multiplier. This frozen realm is home to a decent array of extras. You'll find avalanche reels, massive symbols.