15 Free spins bonus code for Atlantis Gold Casino, Treasure Island Jackpots and Mermaids Palace Casino May 16, 2014 15 Free spins bonus Redeem code: 15AGES512 On Age of Spartans Slot Valid till May 16th 2014 USA Ok casinoatlantisgold.com treasureislandjackpot.com mermaidspalace.com