| Regions of Spain Quiz | 0 | - | 4.90 | 109,869 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 520,929 |
| Germany Multiple Choice | 0 | - | 4.83 | 53,509 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 76,720 |
| States of Germany | 0 | - | 4.95 | 145,773 |
| Germany Immigration by Country | 0 | - | 4.84 | 78,714 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 30,672 |
| Regions of Italy | 0 | - | 4.92 | 72,426 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 42,465 |
| Cantons of Switzerland | 0 | - | 4.97 | 48,587 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,162 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 67,620 |
| Official European Union Languages | 0 | - | 4.98 | 233,899 |
| European Countries in their Native Language | 0 | - | 4.99 | 154,972 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 420,039 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,420 |
| Spanish Immigration by Country | 0 | - | 4.61 | 54,846 |
| Europe Geography Decoder | 0 | - | 4.86 | 68,685 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 631,339 |
| Name that Greek Letter | 0 | - | 4.94 | 318,382 |
| Canary Islands | 0 | - | 4.61 | 17,271 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 41,136 |
| Top European Languages on a Map | 0 | - | 4.77 | 129,560 |
| Italy Multiple Choice | 0 | - | 4.74 | 102,042 |
| Geography of the Dutch Empire | 0 | - | 4.69 | 34,169 |
| Top African Languages on a Map | 0 | - | 4.92 | 69,907 |
| Add A Letter - Make a European City | 0 | - | 4.89 | 22,947 |
| Celtic Nations | 0 | - | 4.69 | 46,562 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 212,624 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.84 | 85,962 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 304,825 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 160,867 |
| History of Spain | 0 | - | 4.29 | 20,832 |
| Counties of England | 0 | - | 4.97 | 777,526 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 341,068 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 69,334 |
| Regions of France | 0 | - | 4.74 | 116,399 |
| France Immigration by Country | 0 | - | 4.73 | 75,116 |
| Famous Germans | 0 | - | 4.50 | 53,647 |
| German Groups of Things | 0 | - | 4.46 | 38,031 |
| Germany True or False? | 0 | - | 4.63 | 48,090 |
| Largest Islands of Greece | 0 | - | 4.58 | 46,480 |
| Famous Italians by Clue | 0 | - | 4.45 | 86,975 |
| Provinces of the Netherlands | 0 | - | 4.78 | 39,609 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 47,811 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 100,777 |
| Catholic Countries in Europe | 0 | - | 4.83 | 92,818 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 57,545 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 74,452 |
| Category Elimination - European Geography #3 | 0 | - | 4.87 | 77,853 |
| Federal Subjects of Russia | 0 | - | 4.95 | 139,525 |
| History of Austria | 0 | - | 4.70 | 17,526 |
| Regions of France Map Quiz | 0 | - | 4.96 | 140,863 |
| Geography of the French Empire | 0 | - | 4.51 | 26,600 |
| The French Revolution | 0 | - | 4.46 | 23,340 |
| France Multiple Choice | 0 | - | 4.38 | 40,397 |
| History of France Quiz | 0 | - | 4.56 | 42,442 |
| States of Germany Map Quiz | 0 | - | 4.91 | 129,975 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.42 | 23,191 |
| History of Italy | 0 | - | 4.55 | 31,538 |
| The Vikings! | 0 | - | 4.46 | 28,094 |
| The Portuguese Empire | 0 | - | 4.54 | 11,881 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,456 |
| American to British Word Translation | 0 | - | 4.05 | 116,241 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 91,731 |
| Counties of England Map Quiz | 0 | - | 4.97 | 303,586 |
| Champions League Winners | 0 | - | 4.92 | 981,041 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 64,045 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 226,395 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 270,383 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 162,126 |
| Departments of France | 0 | - | 4.92 | 49,933 |
| Countries Surrounding Rome | 0 | - | 4.97 | 48,993 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,823 |
| England or Wales? | 0 | - | 4.94 | 44,747 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 125,896 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 78,373 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,128 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,484 |
| Word Scramble - European Countries | 0 | - | 4.73 | 138,496 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 109,817 |
| Slavic Languages | 0 | - | 4.68 | 53,335 |
| Word Chain - France | 0 | - | 4.38 | 42,268 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,183 |
| Italian Foods | 0 | - | 4.30 | 71,201 |
| The Mafia Quiz | 0 | - | 4.46 | 23,032 |
| History of The Netherlands | 0 | - | 4.46 | 17,064 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 28,289 |
| British Spellings Quiz | 0 | - | 4.08 | 98,424 |
| British Groups of Things | 0 | - | 4.25 | 82,450 |
| British Acronyms | 0 | - | 4.39 | 45,331 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,793 |
| Geography of Scotland | 0 | - | 4.63 | 21,208 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 63,697 |
| Countries With the Most Russian Speakers | 0 | - | 4.96 | 94,143 |
| French Geography Quiz #1 | 0 | - | 4.88 | 34,096 |
| Geography of Germany | 0 | - | 4.33 | 16,867 |
| History of Germany | 0 | - | 4.38 | 52,247 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,227 |
| British to American Word Translation | 0 | - | 3.75 | 252,743 |
| British Foods | 0 | - | 3.88 | 48,107 |
| British and American Word Differences | 0 | - | 2.67 | 45,793 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,373 |
| Bridges of London | 0 | - | 4.17 | 9,971 |
| British Sport Trivia | 0 | - | 4.36 | 20,199 |
| Famous Welsh People | 0 | - | 4.21 | 9,693 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 263,949 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,277 |
| Famous French People | 0 | - | 4.14 | 25,147 |
| Movies Set in France | 0 | - | 4.26 | 13,005 |
| French Inventions | 0 | - | 4.08 | 13,788 |
| History of Paris | 0 | - | 4.24 | 13,550 |
| Word Chain - Germany | 0 | - | 4.30 | 22,316 |
| The Trojan War | 0 | - | 4.82 | 38,849 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.83 | 108,017 |
| Word Chain - Italy | 0 | - | 4.07 | 22,949 |
| Embarrassing Chapters in Italian History | 0 | - | 4.23 | 11,901 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 82,991 |
| Roman Emperors | 0 | - | 4.96 | 115,060 |
| Famous Nordic People | 0 | - | 4.29 | 18,728 |
| Geography of Spain | 0 | - | 4.59 | 21,727 |
| Invasions of Great Britain | 0 | - | 4.51 | 58,904 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,104 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,344 |
| People on Money - England | 0 | - | 4.29 | 16,493 |
| Name a Valid English City | 0 | - | 4.19 | 16,464 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 30,333 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 274,236 |
| Australian Capitals | 0 | - | 4.92 | 62,360 |
| European Geography By Letter - A | 0 | - | 4.56 | 131,329 |
| European Geography By Letter - B #1 | 0 | - | 4.70 | 109,788 |
| European Geography By Letter - C | 0 | - | 4.46 | 110,903 |
| European Geography By Letter - D | 0 | - | 4.51 | 105,618 |
| European Geography By Letter - L | 0 | - | 4.52 | 111,112 |
| European Geography By Letter - M | 0 | - | 4.53 | 126,992 |
| European Geography By Letter - P #1 | 0 | - | 4.78 | 95,278 |
| European Geography By Letter - N | 0 | - | 4.44 | 98,818 |
| European Geography By Letter - R | 0 | - | 4.41 | 91,771 |
| European Geography By Letter - V | 0 | - | 4.43 | 91,451 |
| European Geography By Letter - T | 0 | - | 4.41 | 80,018 |
| Europe Map Quiz | 0 | - | 5.00 | 4,677,620 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,516 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,080 |
| Europe Geography Quiz #4 | 0 | - | 4.56 | 69,484 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,539 |
| European Geography By Letter - S #1 | 0 | - | 4.61 | 98,742 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.70 | 64,826 |
| Four Letter European Geography #1 | 0 | - | 4.45 | 26,313 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 18,941 |
| Capitals of French Regions | 0 | - | 4.44 | 15,827 |
| Capitals of German States | 0 | - | 4.74 | 28,574 |
| Chancellors of Germany, 1949–present | 0 | - | 4.58 | 22,717 |
| Olympian Gods Quiz | 0 | - | 4.96 | 479,828 |
| Ancient Greek Words | 0 | - | 4.92 | 108,765 |
| Beatles Songs Quiz | 0 | - | 4.97 | 230,022 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 288,101 |
| Japanese Language - Katakana Practice | 0 | - | 4.59 | 31,833 |
| Officially Recognized Languages of India | 0 | - | 4.41 | 30,671 |
| Africa Map Quiz | 0 | - | 5.00 | 2,083,692 |
| Oceania Map Quiz | 0 | - | 4.98 | 623,722 |
| European Physical Geography | 0 | - | 4.26 | 33,174 |
| History of Russia Quiz | 0 | - | 4.49 | 31,582 |
| Geography of Russia | 0 | - | 4.57 | 21,244 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,460 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 426,892 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 54,552 |
| Sweden Immigration by Country | 0 | - | 4.54 | 55,109 |
| Spanish History A-Z | 0 | - | 4.36 | 18,257 |
| 2026 La Liga Clubs | 0 | - | 4.33 | 68,424 |
| La Liga - Trofeo Pichichi | 0 | - | 4,50 | 6.535 |
| United Kingdom A-Z | 0 | - | 4.53 | 86,509 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,091 |
| Wives of King Henry VIII | 0 | - | 4.55 | 52,870 |
| Countries the UK Declared War On | 0 | - | 4.61 | 120,653 |
| Geography of the British Empire | 0 | - | 4.51 | 39,114 |
| Champions League Top 4 | 0 | - | 4.74 | 129,832 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,426,971 |
| Asia Map Quiz | 0 | - | 4.99 | 890,010 |
| Countries of Africa | 0 | - | 5.00 | 2,457,837 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 44,042 |
| African East Coast | 0 | - | 4.96 | 93,473 |
| Western Africa Map Quiz | 0 | - | 4.97 | 71,404 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 48,423 |
| Australia Map Quiz | 0 | - | 4.94 | 339,426 |
| United States Map Quiz | 0 | - | 4.98 | 4,116,231 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,027 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 205,959 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 91,382 |
| Countries That Use the Euro | 0 | - | 4.96 | 99,377 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 359,058 |
| European Geography By Letter - E | 0 | - | 4.23 | 111,236 |
| European Geography By Letter - F | 0 | - | 4.16 | 90,722 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,156 |
| European Geography By Letter - G | 0 | - | 4.25 | 100,453 |
| European Geography By Letter - I | 0 | - | 4.10 | 93,820 |
| European Geography By Letter - K | 0 | - | 4.14 | 68,522 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,353 |
| European Geography by Letter - W | 0 | - | 4.20 | 81,850 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 62,959 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,031 |
