| Regions of Spain Quiz | 0 | - | 4.90 | 115,284 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,383 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,683 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,429 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,580 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,418 |
| States of Germany | 0 | - | 4.95 | 154,394 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,668 |
| Regions of Italy | 0 | - | 4.92 | 77,016 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,779 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,740 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,836 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,695 |
| Official European Union Languages | 0 | - | 4.97 | 239,721 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,604 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,765 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,050 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,618 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,296 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,696 |
| Name that Greek Letter | 0 | - | 4.93 | 324,917 |
| Canary Islands | 0 | - | 4.62 | 17,524 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,051 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,809 |
| History of Italy | 0 | - | 4.55 | 32,142 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,335 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,815 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,501 |
| Celtic Nations | 0 | - | 4.61 | 47,090 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,665 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,998 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,659 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,627 |
| History of Spain | 0 | - | 4.23 | 21,163 |
| Counties of England | 0 | - | 4.97 | 802,622 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,446 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,050 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,211 |
| Regions of France | 0 | - | 4.70 | 122,042 |
| France Immigration by Country | 0 | - | 4.70 | 76,916 |
| Famous Germans | 0 | - | 4.50 | 55,779 |
| German Groups of Things | 0 | - | 4.47 | 38,628 |
| Germany True or False? | 0 | - | 4.61 | 49,016 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,451 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,341 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,740 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,403 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,792 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,778 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,742 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,742 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,636 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,955 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,391 |
| History of Austria | 0 | - | 4.70 | 17,971 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,598 |
| Geography of the French Empire | 0 | - | 4.45 | 27,214 |
| The French Revolution | 0 | - | 4.47 | 24,145 |
| France Multiple Choice | 0 | - | 4.39 | 40,840 |
| History of France | 0 | - | 4.61 | 57,585 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,764 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,558 |
| The Vikings! | 0 | - | 4.46 | 28,401 |
| The Portuguese Empire | 0 | - | 4.58 | 12,104 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,645 |
| American to British Word Translation | 0 | - | 4.14 | 139,669 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,503 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,989 |
| Champions League Winners | 0 | - | 4.92 | 1,015,734 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,707 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,742 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,838 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,850 |
| Departments of France | 0 | - | 4.93 | 55,113 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,731 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,114 |
| England or Wales? | 0 | - | 4.94 | 45,955 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,055 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,781 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,740 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,719 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,296 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 121,405 |
| Slavic Languages | 0 | - | 4.68 | 54,682 |
| Famous French People | 0 | - | 4.07 | 36,084 |
| Word Chain - France | 0 | - | 4.38 | 42,931 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,731 |
| Italian Foods | 0 | - | 4.30 | 73,248 |
| The Mafia Quiz | 0 | - | 4.46 | 23,436 |
| History of The Netherlands | 0 | - | 4.46 | 17,548 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,054 |
| British Spellings | 0 | - | 4.06 | 99,592 |
| British Groups of Things | 0 | - | 4.26 | 83,006 |
| British Acronyms | 0 | - | 4.40 | 45,933 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,101 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,100 |
| Geography of Scotland | 0 | - | 4.63 | 21,736 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,918 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,762 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,074 |
| Geography of Germany | 0 | - | 4.35 | 17,278 |
| History of Germany | 0 | - | 4.39 | 52,968 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,238 |
| British to American Word Translation | 0 | - | 3.74 | 255,332 |
| British Foods by Description | 0 | - | 3.94 | 48,388 |
| British and American Word Differences | 0 | - | 2.63 | 46,926 |
| British Geography Quiz #2 | 0 | - | 4.30 | 28,216 |
| Bridges of London | 0 | - | 4.17 | 10,143 |
| British Sport Trivia | 0 | - | 4.39 | 20,527 |
| Famous Welsh People | 0 | - | 4.34 | 11,681 |
| Malta Country Quiz | 0 | - | 4.81 | 31,229 |
| History of Russia Quiz | 0 | - | 4.47 | 32,001 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,867 |
| Movies Set in France | 0 | - | 4.26 | 13,151 |
| French Inventions | 0 | - | 4.10 | 13,927 |
| History of Paris | 0 | - | 4.24 | 13,682 |
| Word Chain - Germany | 0 | - | 4.31 | 22,680 |
| The Trojan War | 0 | - | 4.83 | 39,975 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,905 |
| Word Chain - Italy | 0 | - | 4.07 | 23,219 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,160 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,574 |
| Roman Emperors | 0 | - | 4.95 | 121,151 |
| Famous Nordic People | 0 | - | 4.34 | 20,295 |
| Geography of Spain | 0 | - | 4.59 | 22,179 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,088 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,405 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,575 |
| People on Money - England | 0 | - | 4.29 | 16,643 |
| Name a Valid English City | 0 | - | 4.19 | 16,819 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,618 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,311 |
| Australian Capitals | 0 | - | 4.92 | 62,827 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,056 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,383 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,750 |
| European Geography By Letter - D | 0 | - | 4.50 | 115,050 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,956 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,382 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,042 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,520 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,897 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,488 |
| Europe Map Quiz | 0 | - | 5.00 | 4,786,922 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,510 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,169 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,450 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,422 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,353 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,964 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,527 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,725 |
| Capitals of French Regions | 0 | - | 4.45 | 16,176 |
| Capitals of German States | 0 | - | 4.74 | 29,069 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,534 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,629 |
| Ancient Greek Words | 0 | - | 4.93 | 112,427 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,256 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,764 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,147 |
| European Physical Geography | 0 | - | 4.26 | 33,590 |
| Geography of Russia | 0 | - | 4.57 | 21,597 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,119 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,664 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,493 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,374 |
| Spanish History A-Z | 0 | - | 4.37 | 19,505 |
| 2026 La Liga Clubs | 0 | - | 4.33 | 70,437 |
| La Liga - Trofeo Pichichi | 0 | - | 4,57 | 7.300 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,356 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,446 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,805 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,455 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,227 |
| Geography of the British Empire | 0 | - | 4.48 | 39,844 |
| Champions League Top 4 | 0 | - | 4.78 | 138,947 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,258 |
| Asia Map Quiz | 0 | - | 4.99 | 924,826 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,378 |
| Africa Map Quiz | 0 | - | 5.00 | 2,128,240 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,434 |
| Australia Map Quiz | 0 | - | 4.95 | 346,095 |
| United States Map Quiz | 0 | - | 4.98 | 4,170,832 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,111 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,865 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,900 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,710 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,160 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,066 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,372 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,106 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,858 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,494 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,128 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,509 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,518 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,884 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,833 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,041 |
| European Geography A-Z | 0 | - | 4.29 | 49,473 |
