| Regions of Spain Quiz | 0 | - | 4.90 | 115,134 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,038 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,648 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,379 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,179 |
| States of Germany | 0 | - | 4.95 | 154,180 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,596 |
| Regions of Italy | 0 | - | 4.92 | 76,798 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,708 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,404 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,665 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,817 |
| Languages of Spain | 0 | - | 4.36 | 23,413 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,623 |
| Official European Union Languages | 0 | - | 4.97 | 239,551 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,521 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,449 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,032 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,071 |
| Name that Greek Letter | 0 | - | 4.93 | 324,777 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,601 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,258 |
| Canary Islands | 0 | - | 4.62 | 17,514 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,018 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,710 |
| History of Italy | 0 | - | 4.55 | 32,119 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,250 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,795 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,482 |
| Celtic Nations | 0 | - | 4.61 | 47,072 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,410 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,937 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,394 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,244 |
| Regions of France | 0 | - | 4.70 | 121,869 |
| France Immigration by Country | 0 | - | 4.70 | 76,863 |
| Famous Germans | 0 | - | 4.50 | 55,725 |
| German Groups of Things | 0 | - | 4.47 | 38,612 |
| Germany True or False? | 0 | - | 4.61 | 48,982 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,380 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,271 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,671 |
| History of Spain | 0 | - | 4.23 | 21,150 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,389 |
| Counties of England | 0 | - | 4.97 | 801,821 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,704 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,649 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,955 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,042 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,613 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,664 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,374 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,810 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,158 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,454 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,653 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,638 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,429 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,792 |
| Champions League Winners | 0 | - | 4.92 | 1,014,349 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,713 |
| History of Austria | 0 | - | 4.70 | 17,963 |
| Geography of the French Empire | 0 | - | 4.45 | 27,202 |
| The French Revolution | 0 | - | 4.47 | 24,125 |
| France Multiple Choice | 0 | - | 4.39 | 40,824 |
| History of France | 0 | - | 4.61 | 57,517 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,549 |
| The Vikings! | 0 | - | 4.46 | 28,397 |
| The Portuguese Empire | 0 | - | 4.58 | 12,097 |
| American to British Word Translation | 0 | - | 4.14 | 139,583 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,640 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,358 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,627 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,585 |
| Famous French People | 0 | - | 4.07 | 36,036 |
| Departments of France | 0 | - | 4.93 | 54,949 |
| Word Chain - France | 0 | - | 4.38 | 42,909 |
| Italian Foods | 0 | - | 4.30 | 73,180 |
| The Mafia Quiz | 0 | - | 4.46 | 23,419 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,719 |
| History of The Netherlands | 0 | - | 4.46 | 17,536 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,103 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,006 |
| British Spellings | 0 | - | 4.06 | 99,578 |
| British Groups of Things | 0 | - | 4.25 | 82,984 |
| British Acronyms | 0 | - | 4.40 | 45,913 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,093 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,072 |
| Geography of Scotland | 0 | - | 4.63 | 21,714 |
| England or Wales? | 0 | - | 4.94 | 45,918 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,798 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,698 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,718 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,709 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,197 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,424 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,841 |
| Slavic Languages | 0 | - | 4.68 | 54,642 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,484 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,029 |
| Geography of Germany | 0 | - | 4.35 | 17,254 |
| History of Germany | 0 | - | 4.39 | 52,959 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,718 |
| Most Common First Names in Spain | 0 | - | 4.32 | 55,042 |
| British to American Word Translation | 0 | - | 3.74 | 255,294 |
| British Foods by Description | 0 | - | 3.94 | 48,375 |
| British and American Word Differences | 0 | - | 2.63 | 46,919 |
| British Geography Quiz #2 | 0 | - | 4.30 | 28,201 |
| Bridges of London | 0 | - | 4.17 | 10,139 |
| British Sport Trivia | 0 | - | 4.39 | 20,514 |
| Famous Welsh People | 0 | - | 4.34 | 11,663 |
| Malta Country Quiz | 0 | - | 4.81 | 31,211 |
| History of Russia Quiz | 0 | - | 4.47 | 31,993 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,840 |
| Movies Set in France | 0 | - | 4.26 | 13,145 |
| French Inventions | 0 | - | 4.10 | 13,920 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,625 |
| History of Paris | 0 | - | 4.24 | 13,671 |
| Word Chain - Germany | 0 | - | 4.31 | 22,668 |
| The Trojan War | 0 | - | 4.83 | 39,947 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,778 |
| Word Chain - Italy | 0 | - | 4.07 | 23,209 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,156 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,522 |
| Roman Emperors | 0 | - | 4.95 | 121,000 |
| Famous Nordic People | 0 | - | 4.34 | 20,273 |
| Geography of Spain | 0 | - | 4.59 | 22,163 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,058 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,392 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,570 |
| People on Money - England | 0 | - | 4.29 | 16,639 |
| Name a Valid English City | 0 | - | 4.19 | 16,805 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,446 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,143 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,729 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,104 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,240 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,111 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,763 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,123 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,881 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,399 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,616 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,330 |
| Europe Map Quiz | 0 | - | 5.00 | 4,782,837 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,468 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,130 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,419 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,389 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,234 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,934 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,471 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,685 |
| Capitals of French Regions | 0 | - | 4.45 | 16,160 |
| Capitals of German States | 0 | - | 4.74 | 29,054 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,520 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,257 |
| Ancient Greek Words | 0 | - | 4.93 | 112,313 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,028 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,661 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,472 |
| Australian Capitals | 0 | - | 4.92 | 62,813 |
| European Physical Geography | 0 | - | 4.26 | 33,581 |
| Geography of Russia | 0 | - | 4.57 | 21,585 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,091 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,323 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,446 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,336 |
| Spanish History A-Z | 0 | - | 4.37 | 19,484 |
| 2026 La Liga Clubs | 0 | - | 4.33 | 70,379 |
| La Liga - Trofeo Pichichi | 0 | - | 4,57 | 7.266 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,299 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,428 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,781 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,443 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,153 |
| Geography of the British Empire | 0 | - | 4.48 | 39,826 |
| Champions League Top 4 | 0 | - | 4.77 | 138,545 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,476 |
| Asia Map Quiz | 0 | - | 4.99 | 923,849 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,360 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,870 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,338 |
| Australia Map Quiz | 0 | - | 4.95 | 345,911 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,961 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,079 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,616 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,868 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,461 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,918 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,832 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,143 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,936 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,642 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,332 |
| European Geography By Letter - K | 0 | - | 4.15 | 70,968 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,385 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,434 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,846 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,721 |
