| Regions of Spain Quiz | 0 | - | 4.90 | 113,152 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,683 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,193 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,735 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 210,966 |
| States of Germany | 0 | - | 4.96 | 151,034 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,396 |
| Regions of Italy | 0 | - | 4.92 | 75,182 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 46,115 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,091 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,719 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,615 |
| Languages of Spain | 0 | - | 4.36 | 23,231 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,844 |
| Official European Union Languages | 0 | - | 4.97 | 237,633 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,300 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,510 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,808 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,497 |
| Name that Greek Letter | 0 | - | 4.93 | 322,498 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,340 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,738 |
| Canary Islands | 0 | - | 4.61 | 17,436 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,664 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,562 |
| History of Italy | 0 | - | 4.55 | 31,894 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,426 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,559 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,182 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,314 |
| Celtic Nations | 0 | - | 4.69 | 46,871 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,368 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,091 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,268 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,418 |
| Regions of France | 0 | - | 4.77 | 119,923 |
| France Immigration by Country | 0 | - | 4.72 | 76,184 |
| Famous Germans | 0 | - | 4.50 | 54,823 |
| German Groups of Things | 0 | - | 4.46 | 38,380 |
| Germany True or False? | 0 | - | 4.61 | 48,661 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,713 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,865 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,051 |
| History of Spain | 0 | - | 4.29 | 21,043 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,150 |
| Counties of England | 0 | - | 4.97 | 792,384 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,819 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,426 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,011 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,609 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,575 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,673 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,315 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,247 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,747 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,137 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,565 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,329 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,629 |
| Champions League Winners | 0 | - | 4.92 | 1,000,541 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,291 |
| History of Austria | 0 | - | 4.70 | 17,797 |
| Geography of the French Empire | 0 | - | 4.45 | 26,998 |
| The French Revolution | 0 | - | 4.46 | 23,859 |
| France Multiple Choice | 0 | - | 4.38 | 40,679 |
| History of France | 0 | - | 4.59 | 56,600 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,423 |
| The Vikings! | 0 | - | 4.46 | 28,284 |
| The Portuguese Empire | 0 | - | 4.58 | 12,027 |
| American to British Word Translation | 0 | - | 4.13 | 138,237 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 65,892 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,721 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,692 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,055 |
| Departments of France | 0 | - | 4.93 | 53,284 |
| Word Chain - France | 0 | - | 4.38 | 42,672 |
| Italian Foods | 0 | - | 4.31 | 72,440 |
| The Mafia Quiz | 0 | - | 4.46 | 23,251 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,431 |
| History of The Netherlands | 0 | - | 4.46 | 17,356 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,992 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,366 |
| British Spellings | 0 | - | 4.06 | 99,350 |
| British Groups of Things | 0 | - | 4.25 | 82,776 |
| British Acronyms | 0 | - | 4.39 | 45,701 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,993 |
| Geography of Scotland | 0 | - | 4.63 | 21,543 |
| England or Wales? | 0 | - | 4.94 | 45,483 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,216 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,733 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,505 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,626 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,267 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,813 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,112 |
| Slavic Languages | 0 | - | 4.68 | 54,148 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,492 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,629 |
| Geography of Germany | 0 | - | 4.35 | 17,134 |
| History of Germany | 0 | - | 4.39 | 52,721 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,519 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,537 |
| British to American Word Translation | 0 | - | 3.74 | 254,904 |
| British Foods by Description | 0 | - | 3.94 | 48,291 |
| British and American Word Differences | 0 | - | 2.63 | 46,824 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,545 |
| Bridges of London | 0 | - | 4.17 | 10,078 |
| British Sport Trivia | 0 | - | 4.37 | 20,408 |
| Famous Welsh People | 0 | - | 4.13 | 10,481 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,350 |
| History of Russia Quiz | 0 | - | 4.49 | 31,842 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,639 |
| Famous French People | 0 | - | 4.12 | 28,128 |
| Movies Set in France | 0 | - | 4.26 | 13,096 |
| French Inventions | 0 | - | 4.08 | 13,875 |
| History of Paris | 0 | - | 4.24 | 13,629 |
| Word Chain - Germany | 0 | - | 4.31 | 22,521 |
| The Trojan War | 0 | - | 4.83 | 39,558 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,141 |
| Word Chain - Italy | 0 | - | 4.07 | 23,135 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,066 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,271 |
| Roman Emperors | 0 | - | 4.95 | 119,220 |
| Famous Nordic People | 0 | - | 4.34 | 19,974 |
| Geography of Spain | 0 | - | 4.59 | 22,019 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,712 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,300 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,499 |
| People on Money - England | 0 | - | 4.29 | 16,588 |
| Name a Valid English City | 0 | - | 4.19 | 16,670 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,500 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,131 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,668 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,120 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,099 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,979 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,437 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,310 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,023 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,803 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,435 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,598 |
| Europe Map Quiz | 0 | - | 5.00 | 4,745,282 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,126 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,766 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,074 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,114 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,794 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.73 | 65,530 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,231 |
| Capitals of French Regions | 0 | - | 4.45 | 16,016 |
| Capitals of German States | 0 | - | 4.74 | 28,891 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,197 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,330 |
| Ancient Greek Words | 0 | - | 4.93 | 111,086 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,011 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,116 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,430 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,445 |
| Australian Capitals | 0 | - | 4.92 | 62,656 |
| European Physical Geography | 0 | - | 4.26 | 33,420 |
| Geography of Russia | 0 | - | 4.57 | 21,476 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,850 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,090 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,829 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,836 |
| Spanish History A-Z | 0 | - | 4.37 | 19,222 |
| 2026 La Liga Clubs | 0 | - | 4.33 | 69,617 |
| La Liga - Trofeo Pichichi | 0 | - | 4,54 | 7.020 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,431 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,257 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,458 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,262 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,081 |
| Geography of the British Empire | 0 | - | 4.48 | 39,580 |
| Champions League Top 4 | 0 | - | 4.77 | 134,908 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,855 |
| Asia Map Quiz | 0 | - | 4.99 | 910,776 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,784 |
| Countries of Africa | 0 | - | 5.00 | 2,520,864 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,245 |
| African East Coast | 0 | - | 4.96 | 95,506 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,348 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,189 |
| Australia Map Quiz | 0 | - | 4.94 | 343,235 |
| United States Map Quiz | 0 | - | 4.98 | 4,148,207 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,723 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,041 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,462 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,884 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,179 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,425 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,846 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,091 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,712 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,671 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,356 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,084 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,424 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,519 |
