| European Countries by First 2 Letters | 0 | - | 4.95 | 526,225 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,302 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,183 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,184 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,734 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,267 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,419 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,089 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,507 |
| Name the English Monarchs | 0 | - | 4.92 | 497,730 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,561 |
| Official European Union Languages | 0 | - | 4.97 | 236,467 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,661 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,064 |
| The Trojan War | 0 | - | 4.83 | 39,419 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,663 |
| Name that Greek Letter | 0 | - | 4.94 | 321,580 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,486 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,024 |
| Roman Emperors | 0 | - | 4.95 | 118,412 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,238 |
| British Monopoly Board | 0 | - | 4.52 | 41,024 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,521 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,548 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,974 |
| Spanish History A-Z | 0 | - | 4.36 | 19,028 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,653 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,234 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,352 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,855 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,785 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,661 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,185 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,836 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,639 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,604 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,005 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,273 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,573 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,824 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,713 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,758 |
| Famous Germans | 0 | - | 4.50 | 54,595 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,033 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,981 |
| Famous Irish People | 0 | - | 4.05 | 45,853 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,307 |
| Geography of Spain | 0 | - | 4.59 | 21,953 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,037 |
| London A-Z | 0 | - | 4.10 | 40,633 |
| Champions League Winners | 0 | - | 4.92 | 995,906 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,282 |
| Celtic Nations | 0 | - | 4.69 | 46,806 |
| Monarchies of Europe | 0 | - | 4.90 | 97,280 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,882 |
| Countries Bordering France | 0 | - | 4.85 | 398,544 |
| States of Germany | 0 | - | 4.96 | 149,951 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,990 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,930 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,509 |
| Regions of Italy | 0 | - | 4.92 | 74,656 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,783 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,540 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,098 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,196 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,400 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,977 |
| Monarchies of Asia | 0 | - | 4.97 | 70,579 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,420 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,059 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,076 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,053 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,506 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,207 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,170 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,415 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,860 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,236 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,454 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,129 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,899 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,281 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,489 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,211 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,087 |
| European Geography A-Z | 0 | - | 4.28 | 48,984 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,124 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,775 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,126 |
| Austria... or Australia? | 0 | - | 4.68 | 103,845 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,747 |
| Departments of France | 0 | - | 4.93 | 52,749 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,504 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,782 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,211 |
| German History A-Z | 0 | - | 4.49 | 24,209 |
| Counties of Ireland | 0 | - | 4.92 | 192,973 |
| Italian History A-Z | 0 | - | 4.21 | 17,379 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,424 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,256 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,355 |
| History of The Netherlands | 0 | - | 4.46 | 17,305 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,954 |
| Canary Islands | 0 | - | 4.61 | 17,397 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,229 |
| 2026 La Liga Clubs | 0 | - | 4.33 | 69,334 |
| La Liga - Trofeo Pichichi | 0 | - | 4,54 | 6.927 |
| British Acronyms | 0 | - | 4.39 | 45,613 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,211 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,541 |
| British Geography A-Z | 0 | - | 4.40 | 19,402 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,685 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,742 |
| England or Wales? | 0 | - | 4.94 | 45,304 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,418 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,480 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,673 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,389 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,440 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,597 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,966 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,953 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,099 |
| Slavic Languages | 0 | - | 4.67 | 53,960 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,486 |
| France A-Z | 0 | - | 4.16 | 38,051 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,865 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,423 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,423 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,527 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,656 |
| Roman Names for Places | 0 | - | 4.62 | 57,862 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,681 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,816 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,469 |
| History of Spain | 0 | - | 4.29 | 20,996 |
| Languages of Spain | 0 | - | 4.36 | 23,145 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,812 |
| Monty Python Quotes | 0 | - | 4.88 | 42,319 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 63,381 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,677 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,160 |
| British History A-Z #1 | 0 | - | 4.45 | 45,793 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,289 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 396,994 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,854 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,381 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,836 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,624 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,532 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,078 |
| History of Russia Quiz | 0 | - | 4.49 | 31,784 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,557 |
| Famous French People | 0 | - | 4.12 | 27,920 |
| Kings of France Quiz | 0 | - | 4.20 | 32,548 |
| French History A-Z | 0 | - | 4.17 | 18,644 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,663 |
| German Loan Words | 0 | - | 4.27 | 135,447 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,737 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,419 |
| Ancient Greek Words | 0 | - | 4.92 | 110,636 |
| History of Italy | 0 | - | 4.55 | 31,809 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,135 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,109 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,476 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,283 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,458 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,791 |
| People on Money - England | 0 | - | 4.29 | 16,561 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,312 |
| Shakespearean Characters | 0 | - | 4.38 | 37,501 |
| Name Every Beatles Song | 0 | - | 4.97 | 233,979 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,284 |
| English Royal Consorts | 0 | - | 4.37 | 37,154 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,600 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,579 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,933 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,034 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,460 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,716 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,907 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,979 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,606 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,930 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,969 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,735 |
| Capitals of French Regions | 0 | - | 4.45 | 15,982 |
| Regions of France | 0 | - | 4.78 | 119,167 |
| France Immigration by Country | 0 | - | 4.72 | 75,941 |
| German Groups of Things | 0 | - | 4.46 | 38,297 |
| Capitals of German States | 0 | - | 4.74 | 28,807 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,090 |
| Germany True or False? | 0 | - | 4.61 | 48,518 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,434 |
| Serie A Champions | 0 | - | 4.29 | 57,703 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,949 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,378 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,597 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,760 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,915 |
