Doomsday Practice vs Geography Quiz Arcade

Doomsday Practice helps you master the Doomsday algorithm: a mental math technique for calculating the day of the week for any date in your head. LEARN Step-by-step lessons break the algorithm into digestible pieces. Understand the anchor days, memorize the Doomsday dates, and build a reliable mental framework at your own pace. PRACTICE Drill random dates across any year or century. Get instant feedback, track your accuracy, and build speed through repetition. REVIEW A clean reference sheet keeps the key rules and mnemonics at your fingertips while you're still building fluency. TRACK YOUR PROGRESS Streaks and stats keep you accountable. Watch your accuracy and response time improve over time. Whether you're a mental math enthusiast, a memory competitor, or just want a party trick that actually impresses people: Doomsday Practice gets you there.

The geography quiz with 122 games in one free app: a flag quiz for every country, a world map quiz you tap, world and state capitals, Name All 50 States, and a new Country Hunt puzzle every day. Works offline. No account. NAME ALL 50 STATES Type every US state before the clock runs out, then name all 50 state capitals. State abbreviations, states by region, Northeast, Midwest, South and West capitals, border states, state flag facts, click the state on the US map, states by shape, US Streak and US Survival. FLAG QUIZ: EVERY FLAG IN THE WORLD Guess the country from its flag, or pick the flag for the country. European flags, African flags, Asian flags, flags of the Americas, Oceania, the Middle East and the Caribbean. Lookalike Flags (Chad vs Romania, Monaco vs Indonesia), Flag Colors, Flag Facts (which flag has a dragon? a nutmeg?), Flag Streak and Flag Survival. WORLD MAP QUIZ Tap the country on a real map: the whole world, Europe, Africa, Asia, the Americas and the Middle East. Guess the country from its outline, continent by continent, the Zoom Out Challenge, Which Continent?, and Name Every Country: type all 197. CAPITALS QUIZ World capitals, European, African, Asian, South American, North American, Central American, Caribbean, Oceania and Middle East capitals, Spanish-speaking capitals, Capitals: Hard Mode, Capital or Not?, Capital Streak, Capital Survival and Name Every Capital. COUNTRY HUNT: A DAILY GEOGRAPHY PUZZLE One mystery country outline, six guesses, and after each guess the distance and direction to the answer. The same puzzle for everyone, so you can share your result grid. WEEKLY CHALLENGE AND 7-DAY PROGRAMS One featured game a week with the same questions for every player. Programs: 50 States in 7 Days, Flags of the World Week, Capitals Bootcamp, Map Master, Gentle Start and a five-round Geo IQ Check. GEOGRAPHY TRIVIA, COUNTRIES AND LANDMARKS Borders, Between Neighbours, Higher or Lower population, Bigger or Smaller area, Population Guess, currencies, languages, country codes, Three Clues, Geography Trivia, Antarctica, EU or Not?, island nations, landlocked countries, world religions, time zones, hemispheres. Landmarks to country and to city, Wonders of the World. Longest rivers, tallest mountains, mountain ranges, oceans and seas, straits and canals, deserts, largest lakes, largest islands, volcanoes and waterfalls. STATES AND PROVINCES Canadian provinces and territories, UK countries, Australian states, Indian states, German Länder, Mexican states, Brazilian states, Chinese provinces, Spanish regions, Italian regions, French regions and Japanese prefectures. FOR STUDENTS, TEACHERS, KIDS AND ADULTS Gentle Start for beginners and Hard Mode for experts. Classroom rooms let a teacher run the same quiz for a whole class. Great practice for a geography bee, AP Human Geography map work or a pub quiz. MADE TO KEEP YOU COMING BACK • Streaks with a rescue, daily quests, XP and levels, a daily reward ladder • A skill radar and Geography Performance Index from Rookie to Cartographer • Personal bests on every game, favourites, recently played, search that understands "50 states" and "africa map" • Passport Stamp share cards, global leaderboards • Backup and restore to a file. No sign-in required for anything. • Light and dark themes, full accessibility labels Also free in your browser at geographyquizarcade.com. One optional purchase removes ads forever. No subscriptions.