| European Countries by First 2 Letters | 0 | - | 4.95 | 526,184 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,218 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,266 |
| Ancient Greek Words | 0 | - | 4.92 | 110,622 |
| Departments of France | 0 | - | 4.93 | 52,740 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,353 |
| England or Wales? | 0 | - | 4.94 | 45,295 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,553 |
| Official European Union Languages | 0 | - | 4.97 | 236,442 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,649 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,012 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,503 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,174 |
| The Trojan War | 0 | - | 4.83 | 39,414 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,540 |
| Name that Greek Letter | 0 | - | 4.94 | 321,522 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,473 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,018 |
| Roman Emperors | 0 | - | 4.95 | 118,382 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,237 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,514 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,972 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,547 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,187 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,816 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,686 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,722 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,031 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,466 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,574 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,230 |
| Celtic Nations | 0 | - | 4.69 | 46,805 |
| Geography of Spain | 0 | - | 4.59 | 21,949 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,028 |
| Champions League Winners | 0 | - | 4.92 | 995,745 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,294 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,169 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,172 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,713 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,832 |
| Countries Bordering France | 0 | - | 4.85 | 398,296 |
| German Loan Words | 0 | - | 4.27 | 135,443 |
| States of Germany | 0 | - | 4.96 | 149,910 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,978 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,894 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,503 |
| Regions of Italy | 0 | - | 4.92 | 74,647 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,774 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,672 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,088 |
| American to British Word Translation | 0 | - | 4.06 | 117,032 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,188 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,399 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,579 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,119 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,382 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,082 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,053 |
| Austria... or Australia? | 0 | - | 4.68 | 103,840 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,122 |
| Germany Country Quiz | 0 | - | 4.82 | 156,472 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,087 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,756 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,764 |
| Italy Country Quiz | 0 | - | 4.82 | 122,138 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,315 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,025 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,926 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,954 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,919 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,576 |
| Canary Islands | 0 | - | 4.61 | 17,394 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,718 |
| British Spellings | 0 | - | 4.07 | 99,197 |
| UK Immigration by Country | 0 | - | 4.94 | 139,538 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,065 |
| British Monopoly Board | 0 | - | 4.52 | 41,024 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,181 |
| Name the English Monarchs | 0 | - | 4.92 | 497,663 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,399 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,417 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,437 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,596 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,961 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,924 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,769 |
| Slavic Languages | 0 | - | 4.67 | 53,952 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,315 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,370 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,550 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,735 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,468 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,958 |
| France A-Z | 0 | - | 4.16 | 38,045 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,497 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,777 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,569 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,290 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,317 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,429 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,851 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,418 |
| Counties of Ireland | 0 | - | 4.92 | 192,937 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,422 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,416 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,837 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,234 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,523 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,653 |
| Roman Names for Places | 0 | - | 4.62 | 57,850 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,633 |
| History of Spain | 0 | - | 4.29 | 20,995 |
| Languages of Spain | 0 | - | 4.36 | 23,140 |
| Spanish History A-Z | 0 | - | 4.36 | 19,024 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,210 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,433 |
| Switzerland A-Z | 0 | - | 4.45 | 25,498 |
| British to American Word Translation | 0 | - | 3.74 | 253,286 |
| British Foods by Description | 0 | - | 3.94 | 48,226 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,430 |
| British and American Word Differences | 0 | - | 2.67 | 45,909 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,907 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,202 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,522 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,426 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,147 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,666 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,730 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,267 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,063 |
| History of Russia Quiz | 0 | - | 4.49 | 31,783 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,556 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,087 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,659 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,978 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,535 |
| Famous Irish People | 0 | - | 4.05 | 45,852 |
| History of Italy | 0 | - | 4.55 | 31,806 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,127 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,471 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,281 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,540 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,786 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,575 |
| London A-Z | 0 | - | 4.10 | 40,630 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,428 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,342 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,848 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,779 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,655 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,179 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,819 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,636 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,599 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,002 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,269 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,462 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,976 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,601 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,928 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,964 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,568 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,359 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,121 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,593 |
| Capitals of French Regions | 0 | - | 4.45 | 15,981 |
| Regions of France | 0 | - | 4.78 | 119,127 |
| France Immigration by Country | 0 | - | 4.72 | 75,937 |
| Kings of France Quiz | 0 | - | 4.20 | 32,546 |
| Famous Germans | 0 | - | 4.50 | 54,592 |
| German Groups of Things | 0 | - | 4.46 | 38,295 |
| Capitals of German States | 0 | - | 4.74 | 28,805 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,088 |
| Germany True or False? | 0 | - | 4.61 | 48,514 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,431 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,416 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,295 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,109 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,591 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,749 |
| 2026 La Liga Clubs | 0 | - | 4.33 | 69,327 |
| La Liga - Trofeo Pichichi | 0 | - | 4,54 | 6.923 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,034 |
| British to American Food Translation | 0 | - | 3.38 | 51,809 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,910 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,387 |
| Name Every Beatles Song | 0 | - | 4.97 | 233,950 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,264 |
| Famous Scottish People | 0 | - | 4.22 | 18,326 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,037 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,575 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,914 |
| Australian Capitals | 0 | - | 4.92 | 62,589 |
| European Physical Geography | 0 | - | 4.26 | 33,369 |
| Geography of Russia | 0 | - | 4.57 | 21,421 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,760 |
| History of Austria | 0 | - | 4.70 | 17,742 |
| Austria Country Quiz | 0 | - | 4.57 | 59,310 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,192 |
| France Country Quiz | 0 | - | 4.70 | 133,783 |
