| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,958 |
| Name that Greek Letter | 0 | - | 4.94 | 321,682 |
| The Trojan War | 0 | - | 4.83 | 39,429 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,542 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,358 |
| Ancient Greek Words | 0 | - | 4.92 | 110,705 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,514 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,342 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,583 |
| Official European Union Languages | 0 | - | 4.97 | 236,544 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,704 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,210 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,050 |
| Roman Emperors | 0 | - | 4.95 | 118,494 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,541 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,569 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,905 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,688 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,111 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,347 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,942 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,241 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,345 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,854 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,834 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,905 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,049 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,984 |
| Champions League Winners | 0 | - | 4.92 | 996,391 |
| Celtic Nations | 0 | - | 4.69 | 46,812 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,336 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,220 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,272 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,797 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,012 |
| Countries Bordering France | 0 | - | 4.83 | 399,143 |
| German Loan Words | 0 | - | 4.27 | 135,457 |
| States of Germany | 0 | - | 4.96 | 150,062 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,018 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,065 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,520 |
| Regions of Italy | 0 | - | 4.92 | 74,730 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,816 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,357 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,196 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,410 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,625 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,148 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,844 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,554 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,225 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,179 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,493 |
| Austria... or Australia? | 0 | - | 4.68 | 103,873 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,781 |
| Departments of France | 0 | - | 4.93 | 52,830 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,537 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,807 |
| Counties of Ireland | 0 | - | 4.92 | 193,085 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,452 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,954 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,336 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,369 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,317 |
| British Monopoly Board | 0 | - | 4.52 | 41,034 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,278 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,624 |
| Name the English Monarchs | 0 | - | 4.92 | 497,927 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,733 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,768 |
| England or Wales? | 0 | - | 4.94 | 45,319 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,501 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,458 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,450 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,599 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,993 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,054 |
| Slavic Languages | 0 | - | 4.67 | 53,986 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,635 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,290 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,218 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,437 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,429 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,535 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,670 |
| Roman Names for Places | 0 | - | 4.62 | 57,878 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,685 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,855 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,248 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,847 |
| Monty Python Quotes | 0 | - | 4.88 | 42,325 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 63,494 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,446 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,559 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,316 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,216 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,138 |
| History of Russia Quiz | 0 | - | 4.49 | 31,795 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,566 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,682 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,180 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,424 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,022 |
| Famous Irish People | 0 | - | 4.05 | 45,855 |
| History of Italy | 0 | - | 4.55 | 31,817 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,166 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,117 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,482 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,286 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,982 |
| Geography of Spain | 0 | - | 4.59 | 21,966 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,801 |
| Shakespearean Characters | 0 | - | 4.38 | 37,506 |
| Imagine Lyrics | 0 | - | 4.53 | 43,062 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,296 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,580 |
| London A-Z | 0 | - | 4.10 | 40,638 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,144 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,538 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,417 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,917 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,866 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,723 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,226 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,906 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,679 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,635 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,029 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,314 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,518 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,992 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,618 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,945 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,987 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,605 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,378 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,152 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,613 |
| Capitals of French Regions | 0 | - | 4.45 | 15,987 |
| Regions of France | 0 | - | 4.78 | 119,262 |
| France Immigration by Country | 0 | - | 4.72 | 75,968 |
| Famous Germans | 0 | - | 4.50 | 54,619 |
| German Groups of Things | 0 | - | 4.46 | 38,306 |
| Capitals of German States | 0 | - | 4.74 | 28,812 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,096 |
| Germany True or False? | 0 | - | 4.61 | 48,535 |
| German History A-Z | 0 | - | 4.49 | 24,220 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,465 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,527 |
| Serie A Champions | 0 | - | 4.29 | 57,728 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,957 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,571 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,618 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,828 |
| 2026 La Liga Clubs | 0 | - | 4.33 | 69,372 |
| La Liga - Trofeo Pichichi | 0 | - | 4,54 | 6.945 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,045 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,964 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,394 |
| Beatles Lyrics First Names | 0 | - | 4.38 | 34,473 |
| Elton John Quiz | 0 | - | 4.48 | 18,402 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,110 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,398 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,352 |
| Australian Capitals | 0 | - | 4.92 | 62,593 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,961 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,594 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,225 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,672 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,911 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,288 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,500 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,177 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,927 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,300 |
| European Physical Geography | 0 | - | 4.26 | 33,374 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,397 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,517 |
| European Geography A-Z | 0 | - | 4.28 | 49,005 |
| Geography of Russia | 0 | - | 4.57 | 21,428 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,777 |
| History of Austria | 0 | - | 4.70 | 17,748 |
| Geography of the French Empire | 0 | - | 4.48 | 26,934 |
| Word Chain - France | 0 | - | 4.38 | 42,583 |
| The French Revolution | 0 | - | 4.46 | 23,785 |
| France Multiple Choice | 0 | - | 4.38 | 40,635 |
| History of France | 0 | - | 4.59 | 56,056 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,626 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,384 |
| Mediterranean Foods | 0 | - | 3.80 | 11,388 |
| Greece by Picture | 0 | - | 4.16 | 14,693 |
| Greece Country Quiz | 0 | - | 4.74 | 65,759 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,779 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,771 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,961 |
| Italian Foods | 0 | - | 4.31 | 72,195 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,308 |
| Italian History A-Z | 0 | - | 4.21 | 17,386 |
| The Mafia Quiz | 0 | - | 4.46 | 23,206 |
| Byzantine History | 0 | - | 4.91 | 28,621 |
