Big Fish Editor's Choice! This title was chosen for its high standard of quality and amazingly positive reviews from our Game Club beta testers.
From Eipix, in partnership with Big Fish and the Smithsonian Institution, comes the epic continuation of the Hidden Expedition series! Your old buddy and H.E.L.P. operative Sam calls you in to investigate a strange anomaly at the Smithsonian Castle. You soon learn there’s more to this anomaly than meets the eye, and H.E.L.P’s reach stretches back to the Smithsonian’s historic founding. Unlock the secrets of time travel as you follow the clues into the Smithsonian Castle’s Civil War past.
See what our Beta testers had to say:
"Brilliant game! Fun and educational. This will be purchased the second it is offered. I loved everything about it." – Cynthia, Beta Tester
"I was so engrossed in the story line I did not realize how long I was playing. Thoroughly enjoyed it." – Miles, Beta Tester
This is a special Collector's Edition release full of exclusive extras you won’t find in the standard version. As a bonus, Collector's Edition purchases count toward three stamps on your Monthly Game Club Punch Card!
The Collector’s Edition includes: - Hidden Expedition: Smithsonian Castle Collector's Edition
The Smithsonian Castle’s secrets lie in a Civil War past.
The Smithsonian Castle’s secrets lie in a Civil War past.
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- Race H.E.L.P. agents to Helen’s time machine!
- Collect Fact Cards to learn about the Smithsonian’s history
- Unlock new puzzles and replay mini-games and HOPs
- Collect original music, wallpapers, and videos
- Access the comprehensive Strategy Guide
Some related series of Hidden Expedition: Smithsonian Castle Collector's Edition:

Arthurian legends are just stories, but sometimes fiction hides the truth.

Arthurian legends are just stories, but sometimes fiction hides the truth.

When volcanic eruptions uncover hidden caves in Samoa, you can’t wait to decipher the ancient texts inside! But this educational expedition quickly takes a dangerous turn when someone steals your research! Legend says the Maori hid a powerful artifact, and there’s no telling what damage it could do in the wrong hands! Can you find the artifact and save the world in time?

When volcanic eruptions uncover hidden caves in Samoa, you can’t wait to decipher the ancient texts inside! But this educational expedition quickly takes a dangerous turn when someone steals your research! Legend says the Maori hid a powerful artifact, and there’s no telling what damage it could do in the wrong hands! Can you find the artifact and save the world in time?

An expedition to an Aztec temple awakens a true force of nature!

An expedition to an Aztec temple awakens a true force of nature!

Can you uncover the origins of a dangerous ancient artifact in time?

Can you uncover the origins of a dangerous ancient artifact in time?

Find the double agent in H.E.L.P. before it’s too late!

Recover the artifact that contains the secrets of H.E.L.P.'s past.

Recover the artifact that contains the secrets of H.E.L.P.'s past.

An earthquake reveals a hidden palace full of deadly secrets!

An earthquake reveals a hidden palace full of deadly secrets!

A pearl is stolen, leading you on a worldwide chase!

Team up with experts to uncover a lost underwater civilization!

Team up with experts to uncover a lost underwater civilization!

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Set out across the globe to stop the end of the world!

There’s more to this restoration project than meets the eye.

There’s more to this restoration project than meets the eye.

A mountain observatory is hiding a big secret!

The expedition continues... Track down the fragments of King Solomon's crown and foil a madman's plot in this exciting follow-up to the bestselling series!

The expedition continues... Track down the fragments of King Solomon's crown and foil a madman's plot in this exciting follow-up to the bestselling series!

You’re on a train in the middle of nowhere, and a band of dangerous thieves demand you tell them where to find the Hope Diamond’s shards. As the newest Hidden Expedition recruit, you’ve got to find the shards before they do…

After crash landing onto an extraordinary string of uncharted islands, you find yourself suddenly thrust into adventure!

After crash landing onto an extraordinary string of uncharted islands, you find yourself suddenly thrust into adventure!

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Join in the race as teams battle to be the first to reach the summit of Mount Everest. Explore the mysteries of the world and find clues to support your journey.
System Requirements:
- OS: Mac OS 10.10/10.9/10.8/10.7/10.6 - CPU: 1.6 GHz (INTEL ONLY) - RAM: 1 GB
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