| 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 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,038 |
| 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 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,134 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,665 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,179 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,380 |
| Departments of France | 0 | - | 4.93 | 54,949 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,719 |
| England or Wales? | 0 | - | 4.94 | 45,918 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,449 |
| Slavic Languages | 0 | - | 4.68 | 54,642 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,199 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,022 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,258 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,710 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,018 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,940 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,491 |
| 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 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,648 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,379 |
| Counties of England | 0 | - | 4.97 | 801,822 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,649 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,955 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,700 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,042 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,482 |
| Celtic Nations | 0 | - | 4.61 | 47,072 |
| 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 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,271 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,672 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,389 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,124 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,704 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,780 |
| Champions League Winners | 0 | - | 4.92 | 1,014,349 |
| 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 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,336 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,032 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,429 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,792 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,299 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,817 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,713 |
| 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 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,892 |
| Famous French People | 0 | - | 4.07 | 36,036 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,637 |
| Word Chain - France | 0 | - | 4.38 | 42,909 |
| Germany Country Quiz | 0 | - | 4.82 | 158,674 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,964 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,111 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,921 |
| Italian Foods | 0 | - | 4.30 | 73,180 |
| The Mafia Quiz | 0 | - | 4.46 | 23,419 |
| History of The Netherlands | 0 | - | 4.46 | 17,536 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,380 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,701 |
| Canary Islands | 0 | - | 4.62 | 17,514 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,687 |
| 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 |
| UK Immigration by Country | 0 | - | 4.94 | 141,542 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,093 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,784 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,563 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,072 |
| Geography of Scotland | 0 | - | 4.63 | 21,714 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,798 |
| 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 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,029 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,662 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,127 |
| France A-Z | 0 | - | 4.16 | 38,319 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,625 |
| French History Multiple Choice | 0 | - | 4.55 | 33,198 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,487 |
| History of Germany | 0 | - | 4.39 | 52,959 |
| The Trojan War | 0 | - | 4.83 | 39,947 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,071 |
| Name that Greek Letter | 0 | - | 4.93 | 324,777 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,778 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,808 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,718 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,522 |
| Roman Emperors | 0 | - | 4.95 | 121,000 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,555 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,601 |
| Most Common First Names in Spain | 0 | - | 4.32 | 55,042 |
| Languages of Spain | 0 | - | 4.36 | 23,413 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,302 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,776 |
| Switzerland A-Z | 0 | - | 4.45 | 25,753 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,934 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,078 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,033 |
| Malta Country Quiz | 0 | - | 4.81 | 31,211 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 222,034 |
| 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 |
| History of Paris | 0 | - | 4.24 | 13,671 |
| Word Chain - Germany | 0 | - | 4.31 | 22,668 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,257 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,266 |
| History of Italy | 0 | - | 4.55 | 32,119 |
| Word Chain - Italy | 0 | - | 4.07 | 23,209 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,250 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,156 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,795 |
| Famous Nordic People | 0 | - | 4.34 | 20,273 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,638 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,404 |
| 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 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,649 |
| 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 |
| 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 |
| Kings of France Quiz | 0 | - | 4.20 | 32,894 |
| Capitals of German States | 0 | - | 4.74 | 29,054 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,520 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,560 |
| Ancient Greek Words | 0 | - | 4.93 | 112,313 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,446 |
| British to American Food Translation | 0 | - | 3.38 | 52,024 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,550 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,781 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,028 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,661 |
| Famous Scottish People | 0 | - | 4.22 | 18,431 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,446 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,144 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,352 |
| Top World Languages | 0 | - | 4.92 | 828,366 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,226 |
| 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 |
| History of Austria | 0 | - | 4.70 | 17,963 |
| Austria Country Quiz | 0 | - | 4.57 | 60,006 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,175 |
| France Country Quiz | 0 | - | 4.70 | 135,521 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,327 |
| 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 |
| Tour de France Winners | 0 | - | 4.27 | 15,491 |
| History of France | 0 | - | 4.61 | 57,517 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,549 |
| Greece Country Quiz | 0 | - | 4.74 | 66,576 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,544 |
| Italy Country Quiz | 0 | - | 4.77 | 123,947 |
