| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,126 |
| Official European Union Languages | 0 | - | 4.97 | 238,497 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,841 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,524 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 213,399 |
| States of Germany | 0 | - | 4.96 | 152,560 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,033 |
| Regions of Italy | 0 | - | 4.92 | 75,864 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,149 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,932 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,203 |
| Departments of France | 0 | - | 4.93 | 54,097 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,545 |
| England or Wales? | 0 | - | 4.94 | 45,686 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,179 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,125 |
| Slavic Languages | 0 | - | 4.68 | 54,358 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,984 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,833 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,080 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,036 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,730 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,154 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,385 |
| Celtic Nations | 0 | - | 4.69 | 46,943 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,369 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,503 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,835 |
| Regions of France | 0 | - | 4.72 | 120,775 |
| France Immigration by Country | 0 | - | 4.70 | 76,514 |
| Famous Germans | 0 | - | 4.50 | 55,292 |
| German Groups of Things | 0 | - | 4.46 | 38,477 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,352 |
| Germany True or False? | 0 | - | 4.61 | 48,800 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,007 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,015 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,492 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,353 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,266 |
| Counties of England | 0 | - | 4.97 | 796,681 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,242 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,626 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,940 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,430 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,517 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,126 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 78,544 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 80,979 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,140 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,429 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,809 |
| Famous Nordic People | 0 | - | 4.34 | 20,113 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,537 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 93,995 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,633 |
| Champions League Winners | 0 | - | 4.92 | 1,006,668 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,490 |
| The Vikings! | 0 | - | 4.46 | 28,343 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,894 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,034 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,699 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,245 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,810 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,123 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,683 |
| Famous French People | 0 | - | 4.06 | 35,572 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,742 |
| Word Chain - France | 0 | - | 4.38 | 42,779 |
| Germany Country Quiz | 0 | - | 4.83 | 157,840 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,319 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,993 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,913 |
| Italy Country Quiz | 0 | - | 4.80 | 123,398 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,361 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,041 |
| Italian Foods | 0 | - | 4.30 | 72,779 |
| The Mafia Quiz | 0 | - | 4.46 | 23,321 |
| History of The Netherlands | 0 | - | 4.46 | 17,433 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,924 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,644 |
| Canary Islands | 0 | - | 4.62 | 17,481 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,981 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,700 |
| British Spellings | 0 | - | 4.06 | 99,450 |
| British Groups of Things | 0 | - | 4.25 | 82,864 |
| British Acronyms | 0 | - | 4.40 | 45,799 |
| UK Immigration by Country | 0 | - | 4.94 | 140,891 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,035 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,778 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,601 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,781 |
| Geography of Scotland | 0 | - | 4.63 | 21,616 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,340 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,601 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,655 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,700 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,958 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,443 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,769 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,627 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,060 |
| France A-Z | 0 | - | 4.16 | 38,205 |
| History of Germany | 0 | - | 4.39 | 52,818 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,400 |
| Name that Greek Letter | 0 | - | 4.93 | 323,443 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,610 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,464 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,610 |
| Languages of Spain | 0 | - | 4.36 | 23,315 |
| Switzerland A-Z | 0 | - | 4.45 | 25,646 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,680 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,021 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,772 |
| Malta Country Quiz | 0 | - | 4.81 | 31,055 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,203 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,980 |
| History of Russia Quiz | 0 | - | 4.47 | 31,917 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,728 |
| Movies Set in France | 0 | - | 4.26 | 13,119 |
| French Inventions | 0 | - | 4.08 | 13,899 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,199 |
| History of Paris | 0 | - | 4.24 | 13,647 |
| Word Chain - Germany | 0 | - | 4.31 | 22,586 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,035 |
| The Trojan War | 0 | - | 4.83 | 39,724 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,836 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,966 |
| History of Italy | 0 | - | 4.55 | 31,973 |
| Word Chain - Italy | 0 | - | 4.07 | 23,165 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,780 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,104 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,526 |
| Roman Emperors | 0 | - | 4.95 | 120,038 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,659 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,774 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,576 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,614 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,236 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,341 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,533 |
| People on Money - England | 0 | - | 4.29 | 16,610 |
| Name a Valid English City | 0 | - | 4.19 | 16,728 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 279,145 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,553 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,238 |
| European Geography By Letter - B #1 | 0 | - | 4.64 | 118,866 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,969 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,617 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,514 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,654 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,540 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,846 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,701 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,010 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,435 |
| Europe Map Quiz | 0 | - | 5.00 | 4,762,807 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,272 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,937 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,222 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,233 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,601 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,433 |
| Capitals of French Regions | 0 | - | 4.45 | 16,068 |
| Kings of France Quiz | 0 | - | 4.20 | 32,745 |
| Capitals of German States | 0 | - | 4.74 | 28,953 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,332 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,805 |
| Ancient Greek Words | 0 | - | 4.93 | 111,596 |
| British to American Food Translation | 0 | - | 3.38 | 51,965 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,447 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,257 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,706 |
| Famous Scottish People | 0 | - | 4.22 | 18,393 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,015 |
| Top World Languages | 0 | - | 4.92 | 822,094 |
| Africa Map Quiz | 0 | - | 5.00 | 2,117,805 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,150 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,265 |
| Australian Capitals | 0 | - | 4.92 | 62,722 |
| European Physical Geography | 0 | - | 4.26 | 33,509 |
| Geography of Russia | 0 | - | 4.57 | 21,527 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,960 |
| History of Austria | 0 | - | 4.70 | 17,861 |
| Austria Country Quiz | 0 | - | 4.57 | 59,734 |
| Belgium Country Quiz | 0 | - | 4.73 | 71,793 |
| France Country Quiz | 0 | - | 4.70 | 134,974 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,158 |
| Geography of the French Empire | 0 | - | 4.45 | 27,059 |
| The French Revolution | 0 | - | 4.47 | 23,929 |
| France Multiple Choice | 0 | - | 4.39 | 40,741 |
| Tour de France Winners | 0 | - | 4.27 | 15,369 |
| History of France | 0 | - | 4.59 | 56,975 |
| Greece Country Quiz | 0 | - | 4.74 | 66,249 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,095 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,130 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,747 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,503 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,526 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,458 |
| Portugal Country Quiz | 0 | - | 4.69 | 71,899 |
