Know the five oceans
Explore the Atlantic, Pacific, Indian, Arctic and Southern oceans.
A missing compass. Five oceans to explore. Follow Captain HighTides’ trail through discoveries, clues and challenges to recover his lost treasure.
Unlock this title and the whole EdjuVerse for a year with the Annual Pass.
Explore access optionsCaptain HighTides needs an explorer. Follow his trail across the world’s five oceans, uncover the clues and bring the legendary compass home.
Begin with Captain HighTides’ story, then journey through five ocean chapters. Every new destination moves the mystery forward.


A polar bear beneath the ice. An iceberg on the horizon. Search every environment for hidden discoveries and unlock short videos that reveal more about what you find.
Thirty-five discoveries are waiting.
Every collected sticker unlocks its own minigame. Match equipment, solve quizzes and use what you discover to keep the voyage moving.
Knowledge is how you progress.
Complete quizzes to earn gems, then use them to upgrade all 35 stickers to Gold and Epic editions. Two reward boxes are waiting along the way.
Complete the collection. Recover the compass.The mystery draws them in. The discoveries build real subject knowledge.
Explore the Atlantic, Pacific, Indian, Arctic and Southern oceans.
Discover marine habitats and the wildlife that calls them home.
Observe carefully, follow clues and connect equipment with its purpose.