| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,807 |
| Official European Union Languages | 0 | - | 4.97 | 237,519 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,235 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,411 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 210,723 |
| States of Germany | 0 | - | 4.96 | 150,900 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,294 |
| Regions of Italy | 0 | - | 4.92 | 75,094 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,051 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,040 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,663 |
| Departments of France | 0 | - | 4.93 | 53,175 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,419 |
| England or Wales? | 0 | - | 4.94 | 45,462 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,277 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,801 |
| Slavic Languages | 0 | - | 4.68 | 54,125 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,715 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,648 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,501 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,089 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,506 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,834 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,303 |
| Celtic Nations | 0 | - | 4.69 | 46,861 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,058 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,058 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,191 |
| Regions of France | 0 | - | 4.78 | 119,805 |
| France Immigration by Country | 0 | - | 4.72 | 76,142 |
| Famous Germans | 0 | - | 4.50 | 54,800 |
| German Groups of Things | 0 | - | 4.46 | 38,369 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,165 |
| Germany True or False? | 0 | - | 4.61 | 48,635 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,710 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,682 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,813 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,009 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,129 |
| Counties of England | 0 | - | 4.97 | 791,925 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,773 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,482 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,130 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,950 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,336 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,586 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,520 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,627 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,233 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,027 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,654 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,087 |
| Famous Nordic People | 0 | - | 4.34 | 19,961 |
| UK Cities Map Quiz | 0 | - | 4.95 | 463,051 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,281 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,540 |
| Champions League Winners | 0 | - | 4.92 | 999,966 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,270 |
| The Vikings! | 0 | - | 4.46 | 28,280 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,795 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,393 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,607 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,537 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,555 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,926 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,609 |
| Word Chain - France | 0 | - | 4.38 | 42,662 |
| Germany Country Quiz | 0 | - | 4.82 | 157,059 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,482 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,855 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,825 |
| Italy Country Quiz | 0 | - | 4.82 | 122,594 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,748 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,388 |
| Italian Foods | 0 | - | 4.31 | 72,413 |
| The Mafia Quiz | 0 | - | 4.46 | 23,238 |
| History of The Netherlands | 0 | - | 4.46 | 17,352 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,348 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,960 |
| Canary Islands | 0 | - | 4.61 | 17,428 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,348 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,331 |
| British Spellings | 0 | - | 4.07 | 99,337 |
| British Groups of Things | 0 | - | 4.25 | 82,755 |
| British Acronyms | 0 | - | 4.39 | 45,689 |
| UK Immigration by Country | 0 | - | 4.94 | 140,028 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,986 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,787 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,737 |
| Geography of Scotland | 0 | - | 4.63 | 21,527 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,110 |
| 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 | 113,714 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,074 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,613 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,507 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,583 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,993 |
| France A-Z | 0 | - | 4.16 | 38,104 |
| History of Germany | 0 | - | 4.39 | 52,702 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,100 |
| Name that Greek Letter | 0 | - | 4.93 | 322,346 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,511 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,321 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,525 |
| Languages of Spain | 0 | - | 4.36 | 23,219 |
| Switzerland A-Z | 0 | - | 4.45 | 25,561 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,529 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,957 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,560 |
| Malta Country Quiz | 0 | - | 4.81 | 30,914 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,233 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,842 |
| History of Russia Quiz | 0 | - | 4.49 | 31,832 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,625 |
| Famous French People | 0 | - | 4.12 | 28,113 |
| Movies Set in France | 0 | - | 4.26 | 13,094 |
| French Inventions | 0 | - | 4.08 | 13,874 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,825 |
| History of Paris | 0 | - | 4.24 | 13,628 |
| Word Chain - Germany | 0 | - | 4.31 | 22,517 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,688 |
| The Trojan War | 0 | - | 4.83 | 39,539 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,050 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,951 |
| History of Italy | 0 | - | 4.55 | 31,881 |
| Word Chain - Italy | 0 | - | 4.07 | 23,129 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,390 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,065 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,235 |
| Roman Emperors | 0 | - | 4.95 | 119,058 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,547 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,718 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,091 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,562 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,070 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,284 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,494 |
| People on Money - England | 0 | - | 4.29 | 16,586 |
| Name a Valid English City | 0 | - | 4.19 | 16,663 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,488 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,030 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,474 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,646 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,099 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,080 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,953 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,420 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,260 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,008 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,785 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,421 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,566 |
| Europe Map Quiz | 0 | - | 5.00 | 4,742,869 |
| 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 | 70,049 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,092 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,777 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,804 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,164 |
| Capitals of French Regions | 0 | - | 4.45 | 16,012 |
| Kings of France Quiz | 0 | - | 4.20 | 32,617 |
| Capitals of German States | 0 | - | 4.74 | 28,885 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,182 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,954 |
| Ancient Greek Words | 0 | - | 4.93 | 111,029 |
| British to American Food Translation | 0 | - | 3.38 | 51,898 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,345 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,867 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,041 |
| Famous Scottish People | 0 | - | 4.22 | 18,349 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,518 |
| Top World Languages | 0 | - | 4.92 | 816,386 |
| Africa Map Quiz | 0 | - | 5.00 | 2,109,514 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,107 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,889 |
| Australian Capitals | 0 | - | 4.92 | 62,644 |
| European Physical Geography | 0 | - | 4.26 | 33,414 |
| Geography of Russia | 0 | - | 4.57 | 21,464 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,836 |
| History of Austria | 0 | - | 4.70 | 17,793 |
| Austria Country Quiz | 0 | - | 4.57 | 59,501 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,433 |
| France Country Quiz | 0 | - | 4.70 | 134,408 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,014 |
| Geography of the French Empire | 0 | - | 4.45 | 26,984 |
| The French Revolution | 0 | - | 4.46 | 23,851 |
| France Multiple Choice | 0 | - | 4.38 | 40,675 |
| Tour de France Winners | 0 | - | 4.27 | 15,274 |
| History of France | 0 | - | 4.59 | 56,517 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,421 |
| Greece Country Quiz | 0 | - | 4.74 | 65,935 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,855 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,798 |
| Luxembourg Country Quiz | 0 | - | 4.77 | 33,589 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,338 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,179 |
