Hidden Expedition: Smithsonian™ Castle HD - Hidden Objects, Adventure & Puzzles

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From Eipix, in collaboration with Big Fish and the Smithsonian Institution, comes the epic continuation of the Hidden Expedition series! Unlock the secrets of time travel as you follow the clues into the Smithsonian Castle’s Civil War past.

• INVESTIGATE AN ANOMALY IN THE SMITHSONIAN CASTLE
You’ve been invited into the Smithsonian Castle once again to investigate the bizarre flashing occurrences that are causing the electrical systems within castle go haywire.

• THE CASTLE’S SECRETS LIE IN THE PAST…
Can you open your mind and be prepared for anything as you uncover the most captivating secret of the Smithsonian Castle?

• DISCOVER A SECRET TOO FASCINATING TO BE TRUE!
Explore exquisitely-decorated rooms inside a castle packed with intriguing tasks, interactive hidden object scenes, and challenging mini-games!

• RACE H.E.L.P AGENTS TO HELEN’S TIME MACHINE IN THE BONUS GAME!
Collect fact cards to learn about the Smithsonian’s history, unlock new puzzles and replayable mini-games, and enjoy stunning art and wallpapers!

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