| European Countries by First 2 Letters | 0 | - | 4.95 | 530,949 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,217 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,474 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,486 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,457 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,661 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,525 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,965 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,907 |
| Name the English Monarchs | 0 | - | 4.91 | 504,502 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,402 |
| Official European Union Languages | 0 | - | 4.97 | 239,086 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,237 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,518 |
| The Trojan War | 0 | - | 4.83 | 39,847 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,611 |
| Name that Greek Letter | 0 | - | 4.93 | 324,336 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,406 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,023 |
| Roman Emperors | 0 | - | 4.95 | 120,542 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,532 |
| British Monopoly Board | 0 | - | 4.52 | 41,209 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,152 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,939 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,323 |
| Spanish History A-Z | 0 | - | 4.37 | 19,330 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,806 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,445 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,102 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,500 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,885 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,439 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,107 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,485 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,284 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,100 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,352 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,939 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,966 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,719 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,698 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,861 |
| Famous Germans | 0 | - | 4.50 | 55,570 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,522 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,251 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,185 |
| Famous Irish People | 0 | - | 4.05 | 46,029 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,908 |
| Geography of Spain | 0 | - | 4.59 | 22,118 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,365 |
| British Geography A-Z | 0 | - | 4.42 | 19,575 |
| London A-Z | 0 | - | 4.10 | 40,834 |
| Champions League Winners | 0 | - | 4.92 | 1,010,906 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,916 |
| Celtic Nations | 0 | - | 4.69 | 47,013 |
| Monarchies of Europe | 0 | - | 4.90 | 98,445 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,283 |
| Countries Bordering France | 0 | - | 4.83 | 403,841 |
| States of Germany | 0 | - | 4.95 | 153,550 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,360 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,922 |
| Regions of Italy | 0 | - | 4.92 | 76,419 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,514 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,625 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,491 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,205 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,771 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,772 |
| Monarchies of Asia | 0 | - | 4.97 | 71,295 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,082 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,621 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,477 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,971 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,358 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,348 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,696 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,546 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,230 |
| European Geography By Letter - I | 0 | - | 4.09 | 95,978 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,607 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,085 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,213 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,494 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,428 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,354 |
| European Geography A-Z | 0 | - | 4.29 | 49,387 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,631 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,692 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,687 |
| Austria... or Australia? | 0 | - | 4.68 | 104,565 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,722 |
| Famous French People | 0 | - | 4.07 | 35,918 |
| Departments of France | 0 | - | 4.93 | 54,615 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,995 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,312 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,607 |
| German History A-Z | 0 | - | 4.49 | 24,681 |
| Counties of Ireland | 0 | - | 4.92 | 196,310 |
| Italian History A-Z | 0 | - | 4.21 | 17,750 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,063 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,466 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,637 |
| History of The Netherlands | 0 | - | 4.46 | 17,499 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,078 |
| Canary Islands | 0 | - | 4.62 | 17,499 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,506 |
| 2026 La Liga Clubs | 0 | - | 4.33 | 70,230 |
| La Liga - Trofeo Pichichi | 0 | - | 4,54 | 7.213 |
| British Acronyms | 0 | - | 4.40 | 45,871 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,481 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,995 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,486 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,855 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,068 |
| England or Wales? | 0 | - | 4.94 | 45,827 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,227 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,547 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,481 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,718 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,897 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,668 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,678 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,955 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,838 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,686 |
| Slavic Languages | 0 | - | 4.68 | 54,515 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,190 |
| France A-Z | 0 | - | 4.16 | 38,283 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,000 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,741 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,683 |
| Ancient Roman Trivia #2 | 0 | - | 4.59 | 41,868 |
| Geography of the Roman Empire | 0 | - | 4.56 | 52,056 |
| Roman Names for Places | 0 | - | 4.62 | 58,491 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,812 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,801 |
| Most Common First Names in Spain | 0 | - | 4.27 | 46,784 |
| History of Spain | 0 | - | 4.23 | 21,132 |
| Languages of Spain | 0 | - | 4.36 | 23,365 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,808 |
| Monty Python Quotes | 0 | - | 4.89 | 42,524 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,469 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,975 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,831 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,865 |
| British History A-Z #1 | 0 | - | 4.45 | 46,614 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,819 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 403,175 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,288 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,417 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,398 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,050 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,052 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,453 |
| History of Russia Quiz | 0 | - | 4.47 | 31,970 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,797 |
| Russian History A-Z | 0 | - | 4.35 | 31,915 |
| Kings of France Quiz | 0 | - | 4.20 | 32,845 |
| French History A-Z | 0 | - | 4.27 | 24,800 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,048 |
| German Loan Words | 0 | - | 4.27 | 139,658 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,253 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,532 |
| Ancient Greek Words | 0 | - | 4.93 | 112,040 |
| History of Italy | 0 | - | 4.55 | 32,085 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,057 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,213 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,747 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,441 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,549 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,374 |
| People on Money - England | 0 | - | 4.29 | 16,627 |
| Shakespearean Characters | 0 | - | 4.38 | 37,693 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,331 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,189 |
| English Royal Consorts | 0 | - | 4.38 | 37,441 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,696 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,544 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 142,267 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,327 |
| Europe Map Quiz | 0 | - | 5.00 | 4,774,488 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,391 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,047 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,344 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,319 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,078 |
| Capitals of French Regions | 0 | - | 4.45 | 16,123 |
| Regions of France | 0 | - | 4.70 | 121,416 |
| France Immigration by Country | 0 | - | 4.70 | 76,718 |
| German Groups of Things | 0 | - | 4.46 | 38,552 |
| Capitals of German States | 0 | - | 4.74 | 29,005 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,419 |
| Germany True or False? | 0 | - | 4.61 | 48,919 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,195 |
| Serie A Champions | 0 | - | 4.29 | 58,549 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,131 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,378 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,323 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,544 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,512 |
