Voyages of the Great Ocean
Like Duolingo, but for Voyages of the Great Ocean. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
For the part of you with thirty open tabs that never became anything.
Free forever · No credit card · iPhone & Android

Key ideas in Voyages of the Great Ocean
- Swells are generated by distant weather and hold their direction
- Wind is temporary and can shift without warning
- Islands bounce waves back or bend them around their shores
- Interrupted wave patterns signal land is nearby
- The reliability of swells versus wind
- How a navigator detects land through wave patterns
- Stars rise and set at the same points on the horizon every night
- Navigators memorize 'star paths' to stay on a straight course
- Navigators use the steady direction of ocean swells as a backup
- Using stars as a compass
- The angle of the boat against the waves helps maintain a heading
- Navigating during cloudy weather
- Birds fly out to sea to fish but return to land at night
- Debris like wood and seeds only appear very close to shore
- Certain birds return to land every evening to rest
- Reef fish stay within a limited distance of the shore
You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
Eight weeks. You meant to finish. You didn't.
Tomo gives Voyages of the Great Ocean the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.
Here's what playing it feels like
A real question from this course. Take your best guess.
Why do traditional navigators avoid relying solely on the wind to stay on course?
Get it right to open this lesson and 319 more in the app.
Where Voyages of the Great Ocean takes you
Master the history of the world's largest ocean. From ancient wayfinders and the Tongan Empire to the complex legacy of global colonization and modern cultural resilience.
- 1
Mastering the Blue Continent
- Reading the Stars and Swells
- The Outrigger Revolution
- Wayfinding Without Instruments
- The Lapita Pottery Trail
- 2
The Rise of the Tongan Empire
- The Tu'i Tonga Maritime Network
- The Drua: Engines of Power
- Tribute and Strategic Marriages
- The Modern Tongan Monarchy
- Tonga's Unique Path to Sovereignty
- 3
Fiji: The Hub of the Pacific
- The Great Council of Chiefs
- The Rise of Bau and King Cakobau
- The Deed of Cession to Britain
- Sugar, Soil, and the Girmit Legacy
- Modern Fiji and the Coup Culture
- The Multi-Ethnic Identity of Suva
- 4
Australia: The Oldest Living Culture
- Songlines and Oral Maps
- Trade Networks Across the Red Center
- Resistance and Resilience in the Bush
- Modern Land Rights and Native Title
- 5
Aotearoa: The Land of the Long White Cloud
- The Great Migration to New Zealand
- The Rise of the Iwi Structure
- The Treaty of Waitangi Conflict
- The Kingitanga Movement
- The Maori Language Renaissance
- 6
Melanesian Strongholds: Vanuatu and the Solomons
- The Kastom Way of Life
- The Solomon Islands in World War II
- Blackbirding and the Labor Trade
- Bislama and Pijin: The New Tongues
- 7
The European Scramble for the Pacific
- The Arrival of the Great White Sails
- Missionaries and the Changing Faith
- The Whaling and Sandalwood Booms
- Drawing Borders on the Water
- The Legacy of Colonial Law
- 8
The French Pacific and Overseas Territories
- The Penal Colonies of New Caledonia
- Tahiti and the Kingdom of the Society Islands
- The Kanak Struggle for Independence
- Wallis and Futuna: The Three Kingdoms
- Nuclear Testing in French Polynesia
- 9
The American and Japanese Presence
- The Annexation of Hawaii
- Guam and the Spanish-American War
- The Japanese Mandate in Micronesia
- Nuclear Testing in the Marshall Islands
- Compacts of Free Association
- 10
Atoll Nations: Kiribati, Nauru, and Tuvalu
- Kiribati and the Rising Sea Challenge
- Nauru: The Rise and Fall of Phosphate Wealth
- The .tv Domain and Tuvalu's Digital Future
- Living on the Edge: Atoll Survival Skills
- 11
Asian Influence and the Plural Society
- The Girmit System and Indo-Fijians
- Chinese Merchants and the Gold Rush
- Filipino Heritage in the Marianas
- Modern Economic Ties with East Asia
- 12
Papua New Guinea: A Thousand Tongues
- Highland Agriculture and Early Settlements
- The World's Most Diverse Language Map
- The Impact of World War II in the Jungle
- Navigating Post-Colonial Unity
- 13
Samoa and the Heart of Polynesia
- The Fa'asamoa Way of Life
- The Mau Movement for Independence
- The Division of the Samoan Archipelago
- The Global Samoan Diaspora
- 14
The Science of Pacific Connections
- The Austronesian Language Family Tree
- DNA Evidence of Ancient Voyages
- The Sweet Potato: South American Contact
- How Island Size Shapes Social Hierarchy
- The Future of the Blue Economy
14 sections · 64 units · 320 levels. Built to play, not to enroll.
You pick the voice
Voyages of the Great Ocean is taught in the The Bestie style: your friend who just gets it. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.
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