| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,579 |
| Official European Union Languages | 0 | - | 4.97 | 239,445 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,448 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,717 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,619 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,341 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,909 |
| States of Germany | 0 | - | 4.95 | 154,006 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,538 |
| Regions of Italy | 0 | - | 4.92 | 76,696 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,652 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,010 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,610 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,806 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,187 |
| The Portuguese Empire | 0 | - | 4.58 | 12,095 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,021 |
| Slavic Languages | 0 | - | 4.68 | 54,616 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,221 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,998 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,638 |
| History of Italy | 0 | - | 4.55 | 32,110 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,203 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,783 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,380 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,471 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,923 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,464 |
| Celtic Nations | 0 | - | 4.61 | 47,062 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,887 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,211 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,972 |
| Languages of Spain | 0 | - | 4.36 | 23,397 |
| Counties of England | 0 | - | 4.97 | 801,296 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,127 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,898 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,680 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,937 |
| Regions of France | 0 | - | 4.70 | 121,737 |
| France Immigration by Country | 0 | - | 4.70 | 76,830 |
| Famous Germans | 0 | - | 4.50 | 55,669 |
| German Groups of Things | 0 | - | 4.47 | 38,596 |
| Germany True or False? | 0 | - | 4.61 | 48,962 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,338 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,126 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,636 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,380 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,653 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,564 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,610 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,694 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,278 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,713 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,939 |
| History of Austria | 0 | - | 4.70 | 17,952 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,366 |
| Geography of the French Empire | 0 | - | 4.45 | 27,194 |
| The French Revolution | 0 | - | 4.47 | 24,111 |
| France Multiple Choice | 0 | - | 4.39 | 40,812 |
| History of France | 0 | - | 4.61 | 57,467 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,551 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,542 |
| The Vikings! | 0 | - | 4.46 | 28,391 |
| American to British Word Translation | 0 | - | 4.14 | 139,539 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,385 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,671 |
| Champions League Winners | 0 | - | 4.92 | 1,013,283 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,137 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,465 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,434 |
| Departments of France | 0 | - | 4.93 | 54,861 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,703 |
| England or Wales? | 0 | - | 4.94 | 45,897 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,648 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,708 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,699 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,157 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,270 |
| Famous French People | 0 | - | 4.07 | 36,004 |
| Word Chain - France | 0 | - | 4.38 | 42,899 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,705 |
| Italian Foods | 0 | - | 4.30 | 73,136 |
| The Mafia Quiz | 0 | - | 4.46 | 23,411 |
| History of The Netherlands | 0 | - | 4.46 | 17,529 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,591 |
| Canary Islands | 0 | - | 4.62 | 17,514 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,961 |
| British Spellings | 0 | - | 4.06 | 99,559 |
| British Groups of Things | 0 | - | 4.25 | 82,975 |
| British Acronyms | 0 | - | 4.40 | 45,899 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,085 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,056 |
| Geography of Scotland | 0 | - | 4.63 | 21,704 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,790 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,007 |
| Geography of Germany | 0 | - | 4.35 | 17,247 |
| History of Germany | 0 | - | 4.39 | 52,945 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,722 |
| Name that Greek Letter | 0 | - | 4.93 | 324,672 |
| History of Spain | 0 | - | 4.23 | 21,146 |
| British to American Word Translation | 0 | - | 3.74 | 255,273 |
| British Foods by Description | 0 | - | 3.94 | 48,364 |
| British and American Word Differences | 0 | - | 2.63 | 46,915 |
| British Geography Quiz #2 | 0 | - | 4.29 | 28,188 |
| Bridges of London | 0 | - | 4.17 | 10,135 |
| British Sport Trivia | 0 | - | 4.37 | 20,511 |
| Famous Welsh People | 0 | - | 4.34 | 11,649 |
| Malta Country Quiz | 0 | - | 4.81 | 31,200 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,633 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,822 |
| History of Russia Quiz | 0 | - | 4.47 | 31,985 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,835 |
| Movies Set in France | 0 | - | 4.26 | 13,141 |
| French Inventions | 0 | - | 4.10 | 13,918 |
| History of Paris | 0 | - | 4.24 | 13,667 |
| Word Chain - Germany | 0 | - | 4.31 | 22,659 |
| The Trojan War | 0 | - | 4.83 | 39,933 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,678 |
| Word Chain - Italy | 0 | - | 4.07 | 23,205 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,146 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,485 |
| Roman Emperors | 0 | - | 4.95 | 120,897 |
| Famous Nordic People | 0 | - | 4.34 | 20,238 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,630 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,040 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,384 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,564 |
| People on Money - England | 0 | - | 4.29 | 16,635 |
| Name a Valid English City | 0 | - | 4.19 | 16,796 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,310 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,041 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,197 |
| Top World Languages | 0 | - | 4.92 | 827,622 |
| Australian Capitals | 0 | - | 4.92 | 62,804 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,663 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,044 |
| European Geography By Letter - C | 0 | - | 4.43 | 122,844 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,050 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,720 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,051 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,853 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,366 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,584 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,273 |
| Europe Map Quiz | 0 | - | 5.00 | 4,780,823 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,451 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,104 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,403 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,366 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,204 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,422 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,645 |
| Capitals of French Regions | 0 | - | 4.45 | 16,154 |
| Capitals of German States | 0 | - | 4.74 | 29,036 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,494 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,990 |
| Ancient Greek Words | 0 | - | 4.93 | 112,248 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,874 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,568 |
| Countries by Official Language | 0 | - | 4.95 | 195,704 |
| Places in their Native Language #1 | 0 | - | 4.85 | 243,011 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,206 |
| Countries in their Native Language | 0 | - | 4.99 | 199,475 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,565 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,217 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,920 |
| European Physical Geography | 0 | - | 4.26 | 33,572 |
| Geography of Russia | 0 | - | 4.57 | 21,574 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,076 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,074 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,413 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,313 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,267 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,418 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,769 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,436 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,113 |
| Geography of the British Empire | 0 | - | 4.48 | 39,813 |
| Champions League Top 4 | 0 | - | 4.77 | 138,243 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,109 |
| Asia Map Quiz | 0 | - | 4.99 | 923,085 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,327 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,031 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,258 |
| Australia Map Quiz | 0 | - | 4.95 | 345,776 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,878 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,458 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,841 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,291 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,730 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,786 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,097 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,900 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,600 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,298 |
| European Geography By Letter - K | 0 | - | 4.15 | 70,932 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,348 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,410 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,829 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,700 |
