🌍 World
Around the world: an interactive map of 195 countries with detailed profiles, every national flag and its meaning, planet-scale records, ancient civilizations and the food of five continents — every comparison anchored to Vietnam.
Map & nations
World Map — 195 Countries
Click any country: capital, population, currency, languages, ties with Vietnam — plus a find-the-country quiz by continent.
▶ OpenFlags of the World
All 195 flags with the meaning behind each colour and symbol, flag families, easy-to-confuse pairs and 4 quiz modes.
▶ OpenContinents & Oceans
Profiles of 7 continents & 5 oceans plus ~20 great regions — the Amazon, Sahara, Himalayas, Ring of Fire — with key figures.
▶ OpenIconic Wildlife
~80 signature species by continent and ocean, bordered by IUCN status with a size bar next to a human.
▶ OpenGeography Oddities
~60 map curiosities in six themes: countries inside countries, a city on two continents, a sea that's really a lake and a 45-minute time zone.
▶ OpenCivilizations & history
Great Civilizations
20 civilizations from Sumer to the Ottomans — each an animated canvas scene of its signature monument, its era, legacy and link to Vietnam (born in Dong Son).
▶ OpenGreat World Figures
~80 figures across 8 fields — Einstein, Marie Curie, Gandhi, Beethoven… tap for the biography and a line they're remembered by.
▶ OpenInventions That Changed Everything
~80 inventions on a scrolling timeline — the wheel, paper, penicillin, the internet, AI — each with who & where, and when it reached Vietnam.
▶ OpenWonders of the World
24 wonders in real photos — the New 7, the last Ancient Wonder, natural marvels and icons from the Eiffel Tower to Angkor Wat; tap for a big photo & story. Ha Long Bay highlighted.
▶ OpenRecords & comparisons
World Records
Everest, the Mariana Trench, the Nile, Burj Khalifa… 80 records with live counters, each compared to Vietnam.
▶ OpenCountry vs Country
Pick any two countries: population, GDP, life expectancy on visual bars — and their map shapes overlaid to true scale.
▶ OpenWorld Population
A live population clock for 48 countries + the world, ticking births and deaths since you opened the page, plus an age pyramid — all compared to Vietnam.
▶ OpenWorld Currencies
A live converter across 33 major currencies — dollar, euro, yen, yuan, won… — every result also shown in Vietnamese đồng, with a profile of each money.
▶ OpenWorld Economies
42 economies as a live ranking — switch between total GDP, GDP per capita and growth and watch the bars re-sort; Vietnam's rank is highlighted on each.
▶ OpenWorld Sport
All-time Summer Olympic medals for ~40 nations — a winners' podium plus gold-silver-bronze bars that re-rank by golds or total; Vietnam's one gold highlighted.
▶ OpenCulture
World Food Map
~100 national dishes pinned to their homelands, UNESCO food heritage badges and phở & bánh mì going global.
▶ OpenFestivals of the World
~60 festivals on a year wheel — Rio Carnival, Diwali, Songkran, Oktoberfest — each with a live countdown.
▶ OpenTraditional Dress
Real photos of 16 costumes — kimono, hanbok, sari, qipao, kilt, dirndl, flamenco, charro, kente — beside Vietnam's áo dài; tap for the big picture and its story.
▶ OpenLanguages of the World
52 languages across 11 families — tap to hear “hello” spoken in its own script, with pronunciation, writing system and speaker counts.
▶ OpenNational Symbols
The animal, flower and motto of ~48 nations as flip cards — eagle, tiger, panda, kangaroo… tap to reveal each country's flower and national motto.
▶ OpenWorld Climates
27 cities as climographs — rainfall bars and a temperature curve across the year, grouped by Köppen class; steamy Singapore to frozen Yakutsk, with Vietnam's cities highlighted.
▶ OpenChallenge
World Trivia
The grand quiz of the whole section — capitals, continents, currencies, languages, inventions, economies, medals, climate — generated live from 10 pages, solo or 2-player.
▶ Open