| French Geography Quiz #1 | 0 | - | 4.89 | 34,613 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,531 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,166 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,714 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,415 |
| States of Germany | 0 | - | 4.96 | 150,913 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,298 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 210,733 |
| Departments of France | 0 | - | 4.93 | 53,180 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,419 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,525 |
| England or Wales? | 0 | - | 4.94 | 45,464 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,809 |
| Official European Union Languages | 0 | - | 4.97 | 237,528 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,238 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,283 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,888 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,761 |
| The Trojan War | 0 | - | 4.83 | 39,539 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,055 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,091 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,239 |
| Roman Emperors | 0 | - | 4.95 | 119,070 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,909 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,623 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,585 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,719 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,648 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,806 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,059 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,061 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,195 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,147 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,306 |
| Celtic Nations | 0 | - | 4.69 | 46,861 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,142 |
| Famous Germans | 0 | - | 4.50 | 54,801 |
| German Groups of Things | 0 | - | 4.46 | 38,370 |
| Capitals of German States | 0 | - | 4.74 | 28,885 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,182 |
| Germany True or False? | 0 | - | 4.61 | 48,636 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,860 |
| Geography of Spain | 0 | - | 4.59 | 22,010 |
| UK Cities Map Quiz | 0 | - | 4.95 | 463,052 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,777 |
| Champions League Winners | 0 | - | 4.92 | 1,000,013 |
| NFL Football Last Names | 0 | - | 4.43 | 171,069 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,375 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,130 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,586 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,524 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,629 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,235 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,041 |
| Countries Bordering France | 0 | - | 4.83 | 400,889 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,421 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,830 |
| Regions of Italy | 0 | - | 4.92 | 75,095 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,055 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,801 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,044 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,664 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,393 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,607 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,713 |
| Name a Valid African Country | 0 | - | 4.98 | 153,328 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,273 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,545 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,563 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,933 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,315 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,771 |
| Austria... or Australia? | 0 | - | 4.68 | 104,058 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,613 |
| Germany Country Quiz | 0 | - | 4.82 | 157,064 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,488 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,856 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,825 |
| Italy Country Quiz | 0 | - | 4.82 | 122,595 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,751 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,389 |
| Italian Foods | 0 | - | 4.31 | 72,413 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,119 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,351 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,969 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,351 |
| British to American Food Translation | 0 | - | 3.38 | 51,898 |
| UK Immigration by Country | 0 | - | 4.94 | 140,029 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,793 |
| British Monopoly Board | 0 | - | 4.52 | 41,087 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,743 |
| Name the English Monarchs | 0 | - | 4.92 | 499,693 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,116 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,401 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,344 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,057 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,541 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,078 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,495 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,622 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,223 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,720 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,078 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,388 |
| Slavic Languages | 0 | - | 4.68 | 54,128 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,195 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,508 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,583 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,989 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,104 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,993 |
| France A-Z | 0 | - | 4.16 | 38,104 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,677 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,950 |
| Countries that Beat France | 0 | - | 4.49 | 75,405 |
| Geography of Germany | 0 | - | 4.35 | 17,126 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,221 |
| History of Germany | 0 | - | 4.39 | 52,702 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,730 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,122 |
| Name that Greek Letter | 0 | - | 4.93 | 322,371 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,189 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,518 |
| Counties of Ireland | 0 | - | 4.92 | 193,831 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,511 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,610 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,811 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,608 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,760 |
| Roman Names for Places | 0 | - | 4.62 | 58,022 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,229 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,322 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,134 |
| Switzerland A-Z | 0 | - | 4.45 | 25,562 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,957 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,589 |
| Countries that Beat the United Kingdom | 0 | - | 4.53 | 63,399 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,326 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,561 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,768 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,769 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,001 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,971 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,987 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,443 |
| Countries that Beat China | 0 | - | 4.86 | 115,109 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 487,456 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 710,691 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 503,694 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,440 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,506 |
| History of Russia Quiz | 0 | - | 4.49 | 31,832 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,626 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,807 |
| Word Chain - Germany | 0 | - | 4.31 | 22,517 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,065 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,970 |
| Famous Irish People | 0 | - | 4.05 | 45,898 |
| History of Italy | 0 | - | 4.55 | 31,881 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,391 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,547 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,325 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,502 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,070 |
| British Geography A-Z | 0 | - | 4.41 | 19,460 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,456 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,305 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,596 |
| London A-Z | 0 | - | 4.10 | 40,686 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,243 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,525,304 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,360 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,132 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,647 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,102 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,083 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,956 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,420 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,262 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,011 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,787 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,424 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,567 |
| Europe Map Quiz | 0 | - | 5.00 | 4,742,968 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,100 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,746 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,051 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,093 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,779 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,807 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,170 |
| Capitals of French Regions | 0 | - | 4.45 | 16,012 |
| Regions of France | 0 | - | 4.78 | 119,811 |
| France Immigration by Country | 0 | - | 4.72 | 76,142 |
| Kings of France Quiz | 0 | - | 4.20 | 32,617 |
| German Loan Words | 0 | - | 4.27 | 135,586 |
| German History A-Z | 0 | - | 4.49 | 24,497 |
| German Inventions | 0 | - | 3.91 | 30,202 |
| Embarrassing Chapters in German History | 0 | - | 3.41 | 12,590 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,687 |
