| European Countries by First 2 Letters | 0 | - | 4.95 | 526,166 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,213 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,225 |
| Ancient Greek Words | 0 | - | 4.92 | 110,617 |
| Departments of France | 0 | - | 4.93 | 52,736 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,353 |
| England or Wales? | 0 | - | 4.94 | 45,292 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,552 |
| Official European Union Languages | 0 | - | 4.97 | 236,434 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,642 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,997 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,502 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,161 |
| The Trojan War | 0 | - | 4.83 | 39,412 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,510 |
| Name that Greek Letter | 0 | - | 4.94 | 321,508 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,459 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,015 |
| Roman Emperors | 0 | - | 4.95 | 118,369 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,234 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,510 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,970 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,546 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,174 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,812 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,675 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,708 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,030 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,466 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,532 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,230 |
| Celtic Nations | 0 | - | 4.69 | 46,802 |
| Geography of Spain | 0 | - | 4.59 | 21,948 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,025 |
| Champions League Winners | 0 | - | 4.92 | 995,669 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,292 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,164 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,172 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,707 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,768 |
| Countries Bordering France | 0 | - | 4.85 | 398,163 |
| German Loan Words | 0 | - | 4.27 | 135,441 |
| States of Germany | 0 | - | 4.96 | 149,903 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,970 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,876 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,501 |
| Regions of Italy | 0 | - | 4.92 | 74,638 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,772 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,671 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,087 |
| American to British Word Translation | 0 | - | 4.06 | 117,029 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,187 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,399 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,572 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,118 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,362 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,063 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,034 |
| Austria... or Australia? | 0 | - | 4.68 | 103,837 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,120 |
| Germany Country Quiz | 0 | - | 4.82 | 156,467 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,085 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,754 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,762 |
| Italy Country Quiz | 0 | - | 4.82 | 122,136 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,312 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,022 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,925 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,954 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,916 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,571 |
| Canary Islands | 0 | - | 4.61 | 17,392 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,708 |
| British Spellings | 0 | - | 4.07 | 99,197 |
| UK Immigration by Country | 0 | - | 4.94 | 139,535 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,054 |
| British Monopoly Board | 0 | - | 4.52 | 41,024 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,175 |
| Name the English Monarchs | 0 | - | 4.92 | 497,630 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,387 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,412 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,435 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,596 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,955 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,918 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,769 |
| Slavic Languages | 0 | - | 4.67 | 53,949 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,296 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,368 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,550 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,727 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,464 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,957 |
| France A-Z | 0 | - | 4.16 | 38,045 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,495 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,776 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,564 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,289 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,309 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,426 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,848 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,416 |
| Counties of Ireland | 0 | - | 4.92 | 192,925 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,421 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,407 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,836 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,231 |
| 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 | 57,849 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,626 |
| History of Spain | 0 | - | 4.29 | 20,994 |
| Languages of Spain | 0 | - | 4.36 | 23,140 |
| Spanish History A-Z | 0 | - | 4.36 | 19,022 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,203 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,432 |
| Switzerland A-Z | 0 | - | 4.45 | 25,498 |
| British to American Word Translation | 0 | - | 3.74 | 253,284 |
| 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 | 45,908 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,905 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,198 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,516 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,426 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,135 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,662 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,728 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,262 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,060 |
| History of Russia Quiz | 0 | - | 4.49 | 31,782 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,554 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,086 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,657 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,978 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,477 |
| Famous Irish People | 0 | - | 4.05 | 45,852 |
| History of Italy | 0 | - | 4.55 | 31,806 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,124 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,470 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,279 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,540 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,785 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,575 |
| London A-Z | 0 | - | 4.10 | 40,629 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,418 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,341 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,845 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,778 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,652 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,176 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,815 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,635 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,599 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,001 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,267 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,204 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,973 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,599 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,926 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,963 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,568 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,358 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,113 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,590 |
| Capitals of French Regions | 0 | - | 4.45 | 15,981 |
| Regions of France | 0 | - | 4.78 | 119,120 |
| France Immigration by Country | 0 | - | 4.72 | 75,936 |
| Kings of France Quiz | 0 | - | 4.20 | 32,546 |
| Famous Germans | 0 | - | 4.50 | 54,589 |
| 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 | 47,430 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,416 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,293 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,109 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,585 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,747 |
| 2026 La Liga Clubs | 0 | - | 4.33 | 69,320 |
| La Liga - Trofeo Pichichi | 0 | - | 4,54 | 6.922 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,034 |
| British to American Food Translation | 0 | - | 3.38 | 51,808 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,904 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,387 |
| Name Every Beatles Song | 0 | - | 4.97 | 233,936 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,256 |
| Famous Scottish People | 0 | - | 4.22 | 18,323 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,026 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,466 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,838 |
| Australian Capitals | 0 | - | 4.92 | 62,589 |
| European Physical Geography | 0 | - | 4.26 | 33,369 |
| Geography of Russia | 0 | - | 4.57 | 21,420 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,759 |
| 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 | 133,778 |
