Slotastic Casino has just launched its annual Advent Calendar. Each day until Christmas, players can open one of the windows to unlock a special holiday bonus.Prizes include free spins on Christmas slots: Santastic, Swindle All the Way, The Nice List, The Naughty List, Naughty or Nice 3, Snowmania, Rudolph’s Revenge and the all new Rudolph Awakens, as well as other popular new games like Cubee and Purfect Pets. Some days the prize will be an up to 250% deposit bonus that can be used to play any of the casino’s hundreds of games.“I always enjoyed Advent calendars as a kid, looking forward to a special treat each day until Christmas,” said Slotastic manager Oliver Smith. “Our players are all grown-ups, though, so we’ve got grown-up treats for them: free spins!!!”Slotastic Casino recently unveiled a brand-new new Christmas slot game: Rudolph Awakens -- the fourth game in the popular Santa’s Revenge series. This time Rudolph is a Nudging Wild that expands to cover the entire reel and can trigger 10 free spins. Frozen in ice, the sleeping Rudolph remains in place until he’s rescued by an Elf and awakens. Until December 18th, all players will get 77 free spins on the festive new game when they make a minimum $25 deposit. Slotastic, which celebrated its tenth birthday this year, offers hundreds of slots and table games from Realtime Gaming. Rudolph Awakens is now available in its download and instant play casino for desktops and laptops and in the mobile casino for smartphones and tablets (). Players are invited to publish their opinions of the new game on Slotastic’s Reviews page.