| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,668 |
| Official European Union Languages | 0 | - | 4.97 | 237,129 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,002 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,684 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,942 |
| States of Germany | 0 | - | 4.96 | 150,380 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,128 |
| Regions of Italy | 0 | - | 4.92 | 74,865 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,918 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,520 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,414 |
| Departments of France | 0 | - | 4.93 | 52,959 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,393 |
| England or Wales? | 0 | - | 4.94 | 45,379 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,585 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,735 |
| Slavic Languages | 0 | - | 4.67 | 54,032 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,583 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,596 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,251 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,670 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,417 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,708 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,255 |
| Celtic Nations | 0 | - | 4.69 | 46,836 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,929 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,109 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,383 |
| Regions of France | 0 | - | 4.78 | 119,444 |
| France Immigration by Country | 0 | - | 4.72 | 76,027 |
| Famous Germans | 0 | - | 4.50 | 54,676 |
| German Groups of Things | 0 | - | 4.46 | 38,325 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,079 |
| Germany True or False? | 0 | - | 4.61 | 48,565 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,535 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,626 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,882 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,083 |
| Counties of England | 0 | - | 4.97 | 790,080 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,071 |
| The UK for Americans - True or False | 0 | - | 4.44 | 58,433 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,607 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,786 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,277 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,446 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,315 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,397 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,934 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,395 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,354 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,859 |
| Famous Nordic People | 0 | - | 4.34 | 19,891 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,499 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,121 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,265 |
| Champions League Winners | 0 | - | 4.92 | 997,537 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,191 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,594 |
| The Vikings! | 0 | - | 4.46 | 28,255 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,743 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,290 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,563 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,825 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,461 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,385 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,358 |
| Word Chain - France | 0 | - | 4.38 | 42,605 |
| Germany Country Quiz | 0 | - | 4.82 | 156,742 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,292 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,805 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,791 |
| Italy Country Quiz | 0 | - | 4.82 | 122,349 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,534 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,210 |
| Italian Foods | 0 | - | 4.31 | 72,265 |
| The Mafia Quiz | 0 | - | 4.46 | 23,214 |
| History of The Netherlands | 0 | - | 4.46 | 17,331 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,170 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,759 |
| Canary Islands | 0 | - | 4.61 | 17,416 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,089 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,216 |
| British Spellings | 0 | - | 4.07 | 99,276 |
| British Groups of Things | 0 | - | 4.25 | 82,713 |
| British Acronyms | 0 | - | 4.39 | 45,647 |
| UK Immigration by Country | 0 | - | 4.94 | 139,806 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,967 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,400 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,487 |
| Geography of Scotland | 0 | - | 4.63 | 21,500 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,689 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,469 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,609 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,059 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,269 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,907 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,546 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,444 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,560 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,970 |
| France A-Z | 0 | - | 4.16 | 38,078 |
| History of Germany | 0 | - | 4.39 | 52,649 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,723 |
| Name that Greek Letter | 0 | - | 4.94 | 321,887 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,448 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,272 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,489 |
| Languages of Spain | 0 | - | 4.36 | 23,167 |
| Switzerland A-Z | 0 | - | 4.45 | 25,529 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,475 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,932 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,483 |
| Malta Country Quiz | 0 | - | 4.81 | 30,868 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,704 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,109 |
| History of Russia Quiz | 0 | - | 4.49 | 31,804 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,591 |
| Famous French People | 0 | - | 4.12 | 28,007 |
| Movies Set in France | 0 | - | 4.26 | 13,084 |
| French Inventions | 0 | - | 4.08 | 13,866 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,665 |
| History of Paris | 0 | - | 4.24 | 13,621 |
| Word Chain - Germany | 0 | - | 4.31 | 22,485 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,541 |
| The Trojan War | 0 | - | 4.83 | 39,470 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,725 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,526 |
| History of Italy | 0 | - | 4.55 | 31,846 |
| Word Chain - Italy | 0 | - | 4.07 | 23,100 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,248 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,052 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,118 |
| Roman Emperors | 0 | - | 4.95 | 118,631 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,499 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,701 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,926 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,550 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,009 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,247 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,479 |
| People on Money - England | 0 | - | 4.29 | 16,571 |
| Name a Valid English City | 0 | - | 4.19 | 16,642 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,383 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,289 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,444 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,479 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,967 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,928 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,778 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,284 |
| European Geography By Letter - M | 0 | - | 4.61 | 129,028 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,731 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,683 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,065 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,383 |
| Europe Map Quiz | 0 | - | 5.00 | 4,735,096 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,024 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,660 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,981 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,021 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,644 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,212 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,665 |
| Capitals of French Regions | 0 | - | 4.45 | 15,995 |
| Kings of France Quiz | 0 | - | 4.20 | 32,579 |
| Capitals of German States | 0 | - | 4.74 | 28,823 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,116 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,947 |
| Ancient Greek Words | 0 | - | 4.92 | 110,813 |
| British to American Food Translation | 0 | - | 3.38 | 51,870 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,297 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,343 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,461 |
| Famous Scottish People | 0 | - | 4.22 | 18,336 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,413 |
| Top World Languages | 0 | - | 4.92 | 814,163 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,903 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,051 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,184 |
| Australian Capitals | 0 | - | 4.92 | 62,603 |
| European Physical Geography | 0 | - | 4.26 | 33,385 |
| Geography of Russia | 0 | - | 4.57 | 21,441 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,802 |
| History of Austria | 0 | - | 4.70 | 17,768 |
| Austria Country Quiz | 0 | - | 4.57 | 59,404 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,309 |
| France Country Quiz | 0 | - | 4.70 | 133,965 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,944 |
| Geography of the French Empire | 0 | - | 4.45 | 26,952 |
| The French Revolution | 0 | - | 4.46 | 23,806 |
| France Multiple Choice | 0 | - | 4.38 | 40,649 |
| Tour de France Winners | 0 | - | 4.27 | 15,239 |
| History of France | 0 | - | 4.59 | 56,227 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,399 |
| Greece Country Quiz | 0 | - | 4.74 | 65,824 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,017 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,669 |
| Luxembourg Country Quiz | 0 | - | 4.77 | 33,524 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,280 |
| Netherlands Country Quiz | 0 | - | 4.50 | 80,048 |
