Lost Secret of Atlantis is Rival's latest online slot that has 2 bonus rounds and delivers the potential to hit big! Players will be awarded 10 free spins when the scatters appear in the reels and when the Sea Creature appears in the reels, watch out! You will pick one Sea Creature to discover the secret bonus prize that is hiding behind it. Search for the secret in the ocean depths playing Lost Secret of Atlantis at any of your favorite Rival casinos. Read the full review here ... Lost Secret of Atlantis.