The 2.0 version of Hidden Mysteries: Titanic for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The actual developer of this Mac application is Big Fish Games. The program relates to Games.
From the developer:
Hidden Mysteries: Titanic... Go on board the infamous Titanic! Explore the beautiful ship as it begins its doomed descent in Hidden Mysteries: The Fateful Voyage - Titanic. Discover helpful items as you make your escape from the ship. Carefully manage your inventory to have the tools you need at your disposal. Find Hidden Objects as you make your way through beautiful rooms that change as the water level rises.
You may want to check out more software for Mac, such as Hidden Mysteries - Return to Titanic, Hidden Mysteries Buckingham Palace or The Secret Society - Hidden Mystery, which might be similar to Hidden Mysteries: Titanic.