| Countries that Beat Switzerland | 0 | - | 4.87 | 38,379 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 492,110 |
| Germany Multiple Choice | 0 | - | 4.81 | 50,109 |
| Italy Multiple Choice | 0 | - | 4.74 | 95,586 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 27,155 |
| Regions of Italy | 0 | - | 4.89 | 62,146 |
| Capitals of Italian Regions | 0 | - | 4.53 | 26,399 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 61,981 |
| Official European Union Languages | 0 | - | 4.98 | 204,049 |
| European Countries in their Native Language | 0 | - | 4.99 | 146,113 |
| Countries Surrounding Rome | 0 | - | 4.96 | 47,014 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 392,832 |
| History of Italy | 0 | - | 4.49 | 30,051 |
| Spanish Immigration by Country | 0 | - | 4.63 | 52,543 |
| Europe Geography Decoder | 0 | - | 4.88 | 64,338 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,337 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,725 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 75,214 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 72,466 |
| Roman Emperors | 0 | - | 4.96 | 97,980 |
| Add A Letter - Make a European City | 0 | - | 4.86 | 21,285 |
| Celtic Nations | 0 | - | 4.76 | 45,051 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.89 | 80,836 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 289,034 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 122,900 |
| Capitals of German States | 0 | - | 4.70 | 27,429 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 20,627 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 49,758 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,735 |
| The Vikings! | 0 | - | 4.45 | 27,313 |
| The Portuguese Empire | 0 | - | 4.54 | 11,420 |
| Regions of Spain Quiz | 0 | - | 4.87 | 97,462 |
| Cantons of Switzerland | 0 | - | 4.97 | 41,522 |
| Languages of the United Kingdom | 0 | - | 4.12 | 38,669 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 282,041 |
| Champions League Winners | 0 | - | 4.92 | 893,874 |
| Catholic Countries in Europe | 0 | - | 4.86 | 85,371 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.72 | 54,456 |
| Federal Subjects of Russia | 0 | - | 4.95 | 117,078 |
| History of Austria | 0 | - | 4.69 | 16,583 |
| France Immigration by Country | 0 | - | 4.81 | 70,306 |
| Geography of the French Empire | 0 | - | 4.49 | 25,636 |
| The French Revolution | 0 | - | 4.45 | 22,151 |
| France Multiple Choice | 0 | - | 4.40 | 39,025 |
| History of France Quiz | 0 | - | 4.55 | 40,069 |
| States of Germany | 0 | - | 4.94 | 127,239 |
| Germany Immigration by Country | 0 | - | 4.91 | 71,393 |
| Counties of Ireland | 0 | - | 4.90 | 163,659 |
| History of Ireland Quiz | 0 | - | 4.44 | 19,204 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 404,787 |
| Kings of Spain Quiz | 0 | - | 4.12 | 12,987 |
| England or Wales? | 0 | - | 4.93 | 41,050 |
| All Champions League Teams Ever | 0 | - | 4.90 | 108,140 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 205,063 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 251,226 |
| Capitals of French Regions | 0 | - | 4.40 | 14,905 |
| Presidents of France | 0 | - | 4.23 | 20,607 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,903 |
| Word Scramble - European Countries | 0 | - | 4.75 | 129,577 |
| Top 20 Football Clubs in Europe | 0 | - | 4.50 | 90,591 |
| Slavic Languages | 0 | - | 4.65 | 49,462 |
| Famous Italians | 0 | - | 4.40 | 67,419 |
| Italian Foods | 0 | - | 4.25 | 65,541 |
| History of Spain Quiz | 0 | - | 4.33 | 19,750 |
| Languages of Spain | 0 | - | 4.36 | 21,619 |
| British Words Quiz #1 | 0 | - | 3.77 | 236,889 |
| British Words Quiz #2 | 0 | - | 4.00 | 107,374 |
| British Foods | 0 | - | 3.88 | 47,214 |
| British and American Word Differences | 0 | - | 2.66 | 44,526 |
| British Geography Quiz #2 | 0 | - | 4.28 | 26,506 |
| Bridges of London | 0 | - | 4.14 | 9,475 |
| British Sport Trivia | 0 | - | 4.31 | 19,404 |
| Famous Welsh People | 0 | - | 4.15 | 9,333 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 57,681 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 22,205 |
| Geography of Germany | 0 | - | 4.37 | 15,833 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 592,350 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 35,742 |
| Geography of the Roman Empire | 0 | - | 4.57 | 48,972 |
| Roman Names for Places | 0 | - | 4.66 | 42,323 |
| Invasions of Great Britain | 0 | - | 4.49 | 56,116 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 258,657 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 248,430 |
| Top European Languages on a Map | 0 | - | 4.78 | 120,142 |
| Russia Multiple Choice | 0 | - | 4.56 | 38,526 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,573 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 87,438 |
| Word Chain - Italy | 0 | - | 4.09 | 22,196 |
| The Life of Julius Caesar | 0 | - | 4.46 | 32,372 |
| Provinces of the Netherlands | 0 | - | 4.66 | 34,234 |
| British Acronyms | 0 | - | 4.41 | 43,768 |
| British Noble Ranks | 0 | - | 3.80 | 19,652 |
| Foods in a Full English Breakfast | 0 | - | 4.42 | 74,750 |
| Beatles Songs Quiz | 0 | - | 4.95 | 212,957 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 276,926 |
| Australian Capitals | 0 | - | 4.92 | 61,124 |
| European Geography By Letter - A | 0 | - | 4.63 | 125,804 |
| European Geography By Letter - B #1 | 0 | - | 4.75 | 104,846 |
| European Geography By Letter - C | 0 | - | 4.45 | 106,171 |
| European Geography By Letter - D | 0 | - | 4.51 | 100,624 |
| European Geography By Letter - L | 0 | - | 4.51 | 106,291 |
| European Geography By Letter - M | 0 | - | 4.55 | 115,560 |
| European Geography By Letter - P | 0 | - | 4.79 | 90,672 |
| European Geography By Letter - N | 0 | - | 4.42 | 94,409 |
| European Geography By Letter - V | 0 | - | 4.45 | 87,435 |
| Europe Map Quiz | 0 | - | 5.00 | 4,354,111 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 67,694 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 68,164 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,832 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 58,399 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 94,733 |
| European Geography By Letter - B #2 | 0 | - | 4.72 | 63,191 |
| Regions of France | 0 | - | 4.65 | 103,119 |
| German Groups of Things | 0 | - | 4.43 | 36,388 |
| Germany True or False? | 0 | - | 4.60 | 45,123 |
| Largest Islands of Greece | 0 | - | 4.58 | 41,073 |
| Olympian Gods Quiz | 0 | - | 4.96 | 461,302 |
| Name that Greek Letter | 0 | - | 4.94 | 298,671 |
| Ancient Greek Words | 0 | - | 4.91 | 99,628 |
| Roman History Vocabulary | 0 | - | 4.43 | 55,510 |
| Seven Hills of Rome | 0 | - | 4.68 | 8,628 |
| Sweden Immigration by Country | 0 | - | 4.66 | 43,056 |
| United Kingdom A-Z | 0 | - | 4.53 | 81,729 |
| Champions League Top 4 | 0 | - | 4.65 | 110,554 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,356,243 |
| Asia Map Quiz | 0 | - | 4.99 | 801,068 |
| Africa Map Quiz | 0 | - | 5.00 | 1,961,925 |
| Oceania Map Quiz | 0 | - | 4.98 | 577,141 |
| European Physical Geography | 0 | - | 4.20 | 32,144 |
| History of Russia Quiz | 0 | - | 4.48 | 30,138 |
| Geography of Russia | 0 | - | 4.54 | 20,362 |
| Slovakia... or Slovenia? | 0 | - | 4.72 | 40,068 |
| Italian History A-Z | 0 | - | 4.13 | 8,959 |
| Serie A Champions | 0 | - | 4.28 | 52,683 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 73,812 |
| History of The Netherlands | 0 | - | 4.43 | 15,965 |
| Famous Nordic People | 0 | - | 4.41 | 10,737 |
| Canary Islands | 0 | - | 4.61 | 16,651 |
| Switzerland Immigration by Country | 0 | - | 4.76 | 23,013 |
| 100 Greatest Britons Quiz | 0 | - | 4.39 | 46,337 |
| British Spellings Quiz | 0 | - | 4.04 | 95,126 |
| British Groups of Things | 0 | - | 4.26 | 80,772 |
| United Kingdom Decoder | 0 | - | 4.27 | 38,897 |
| British Monopoly Board | 0 | - | 4.51 | 39,510 |
| English Monarchs in Order by First Letter | 0 | - | 4.45 | 24,517 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 81,877 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,293,943 |
| Countries of Africa | 0 | - | 5.00 | 2,217,228 |
| African East Coast | 0 | - | 4.97 | 85,850 |
| Western Africa Map Quiz | 0 | - | 4.98 | 62,293 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 41,678 |
| Australia Map Quiz | 0 | - | 4.94 | 323,198 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,785 |
| United States Map Quiz | 0 | - | 4.98 | 3,934,706 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 197,040 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,390 |
| Countries That Use the Euro | 0 | - | 4.93 | 66,298 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 339,765 |
| European Geography By Letter - E | 0 | - | 4.21 | 106,691 |
| European Geography By Letter - F | 0 | - | 4.16 | 86,176 |
| European Geography By Letter - H | 0 | - | 4.31 | 89,796 |
| European Geography By Letter - G | 0 | - | 4.25 | 95,995 |
| European Geography By Letter - I | 0 | - | 4.10 | 89,775 |
| European Geography By Letter - K | 0 | - | 4.14 | 65,243 |
| European Geography By Letter - O | 0 | - | 4.28 | 58,413 |
| European Geography By Letter - R | 0 | - | 4.40 | 88,324 |
| European Geography by Letter - W | 0 | - | 4.22 | 78,838 |
| European Geography By Letter - T | 0 | - | 4.40 | 71,595 |
| Europe Geography Quiz #3 | 0 | - | 4.32 | 60,531 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 47,406 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 95,470 |
| European Geography A-Z | 0 | - | 4.37 | 45,960 |
| Country Codes of Europe | 0 | - | 3.36 | 12,866 |
| The Only European Country ... | 0 | - | 4.93 | 183,298 |
| Austria... or Australia? | 0 | - | 4.79 | 99,080 |
| Word Chain - France | 0 | - | 4.37 | 40,458 |
| Famous Germans | 0 | - | 4.39 | 35,361 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,899 |
| Figures from Greek Mythology | 0 | - | 4.92 | 171,019 |
| Most Popular Types of Pasta | 0 | - | 3.93 | 29,898 |
| Italian Inventions | 0 | - | 3.88 | 17,997 |
| Famous Italian-Americans | 0 | - | 4.15 | 7,325 |
| Byzantine History | 0 | - | 4.87 | 26,609 |
| Most Common First Names in Spain | 0 | - | 4.25 | 43,906 |
| Real Madrid 2010's Starting XI | 0 | - | 4.85 | 54,098 |
| Most Common Surnames in the UK | 0 | - | 4.18 | 66,313 |
| Counties of England | 0 | - | 4.97 | 704,874 |
| Wonderwall Lyrics | 0 | - | 4.23 | 69,432 |
| Best-Selling British Musical Acts | 0 | - | 4.47 | 44,016 |
| Champions League All-Time Table | 0 | - | 4.15 | 121,605 |
| Champions League Top Goal Scorers | 0 | - | 4.21 | 185,030 |
| Flags of Asia Quiz | 0 | - | 4.99 | 535,181 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 101,694 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 142,677 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 90,231 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 98,227 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 112,852 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 95,288 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 62,101 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 213,256 |
