Every pack is the same clock and the same map, aimed at a different obsession. Ten categories, from the capitals everyone should know to the whisky regions only some people do. Each pack gets its own illustrated tile.

World Cities ships free with the app: 353 questions across the world's great cities, no purchase needed. Alongside it, 10 free learning packs cover the countries of every continent, the states of the USA and Germany, the departments of France, and the provinces of the Netherlands. That is classic school topography as a game: if there is a topography test this week, this is the practice. Every wrong tap shows the right answer, and the rank ladder turns repetition into progress.


Capitals and cities, country by country. Africa Capitals, Japan Cities, Megacities, Microstates, and the great cities of every continent.
Volcanoes, glaciers, waterfalls, coral reefs, deserts, national parks, and the rivers of two continents.
World Wonders, castles, bridges, lighthouses, sacred sites, and UNESCO cultural treasures.
F1 circuits, football stadiums, Olympic hosts, cycling climbs, ski resorts, marathon majors.
World flags, airport codes, currencies, dialing codes, national mottos. The hard stuff.
Wine regions, cheese country, coffee origins, whisky trails, Michelin restaurants, famous dishes.
WWII battlegrounds, Napoleonic battles, the Silk Road, the Crusades, ancient empires, Cold War sites.
Film locations, band hometowns, music festivals, art museums, book settings, Eurovision hosts.
Financial centers, tax havens, tech HQs, stock exchanges, megaprojects, world institutions.
Zoom inside one city and tap streets, canals and squares by name. Amsterdam is live, with Paris, London, New York and more on the way.
All 120+ tiles are individually illustrated in Corto's dusk palette. A few of them:
Unlock a single pack, a whole category, or everything at once. Every purchase is one-time and yours forever. No subscriptions, no ads, no consumables. Prices show in the App Store, in your local currency.
New packs ship regularly. Recent additions include The Crusades, Tyrants & Kingpins, and Amsterdam, a 205-question pack covering every named street, canal, and square inside the A10 ring.