| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,279 |
| Official European Union Languages | 0 | - | 4.97 | 238,824 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,068 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,370 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,315 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,441 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,153 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,348 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,714 |
| States of Germany | 0 | - | 4.95 | 153,030 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,227 |
| Regions of Italy | 0 | - | 4.92 | 76,166 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,262 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,372 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,734 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,467 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,801 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,939 |
| Slavic Languages | 0 | - | 4.68 | 54,442 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,079 |
| History of The Netherlands | 0 | - | 4.46 | 17,469 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,895 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,272 |
| History of Italy | 0 | - | 4.55 | 32,040 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,911 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,287 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,340 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,787 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,279 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,414 |
| Celtic Nations | 0 | - | 4.69 | 46,977 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,499 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,095 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,648 |
| Languages of Spain | 0 | - | 4.36 | 23,346 |
| Counties of England | 0 | - | 4.97 | 798,403 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 357,727 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,597 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,578 |
| Regions of France | 0 | - | 4.72 | 121,126 |
| France Immigration by Country | 0 | - | 4.70 | 76,647 |
| Famous Germans | 0 | - | 4.50 | 55,484 |
| German Groups of Things | 0 | - | 4.46 | 38,508 |
| Germany True or False? | 0 | - | 4.61 | 48,865 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,119 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,708 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,325 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,388 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,329 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,553 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 81,816 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,209 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,857 |
| History of Austria | 0 | - | 4.70 | 17,894 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,727 |
| Geography of the French Empire | 0 | - | 4.45 | 27,149 |
| The French Revolution | 0 | - | 4.47 | 24,049 |
| France Multiple Choice | 0 | - | 4.39 | 40,763 |
| History of France | 0 | - | 4.59 | 57,228 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,063 |
| The Vikings! | 0 | - | 4.46 | 28,366 |
| The Portuguese Empire | 0 | - | 4.58 | 12,081 |
| American to British Word Translation | 0 | - | 4.14 | 139,252 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,110 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,057 |
| Champions League Winners | 0 | - | 4.91 | 1,009,199 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,766 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,245 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,496 |
| Departments of France | 0 | - | 4.93 | 54,385 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,599 |
| England or Wales? | 0 | - | 4.94 | 45,774 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,878 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,633 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,669 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,829 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,472 |
| Famous French People | 0 | - | 4.07 | 35,796 |
| Word Chain - France | 0 | - | 4.38 | 42,824 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,652 |
| Italian Foods | 0 | - | 4.30 | 72,897 |
| The Mafia Quiz | 0 | - | 4.46 | 23,363 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,507 |
| Canary Islands | 0 | - | 4.62 | 17,490 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,801 |
| British Spellings | 0 | - | 4.06 | 99,493 |
| British Groups of Things | 0 | - | 4.25 | 82,900 |
| British Acronyms | 0 | - | 4.40 | 45,837 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,051 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,916 |
| Geography of Scotland | 0 | - | 4.63 | 21,645 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,586 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,837 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,081 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 23,498 |
| Geography of Germany | 0 | - | 4.35 | 17,202 |
| History of Germany | 0 | - | 4.39 | 52,884 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,521 |
| Name that Greek Letter | 0 | - | 4.93 | 324,085 |
| History of Spain | 0 | - | 4.23 | 21,111 |
| British to American Word Translation | 0 | - | 3.74 | 255,148 |
| British Foods by Description | 0 | - | 3.94 | 48,338 |
| British and American Word Differences | 0 | - | 2.63 | 46,892 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,608 |
| Bridges of London | 0 | - | 4.17 | 10,118 |
| British Sport Trivia | 0 | - | 4.37 | 20,481 |
| Famous Welsh People | 0 | - | 4.31 | 11,556 |
| Malta Country Quiz | 0 | - | 4.81 | 31,100 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,576 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,516 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,606 |
| History of Russia Quiz | 0 | - | 4.47 | 31,943 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,767 |
| Movies Set in France | 0 | - | 4.26 | 13,129 |
| French Inventions | 0 | - | 4.10 | 13,905 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,328 |
| History of Paris | 0 | - | 4.24 | 13,657 |
| Word Chain - Germany | 0 | - | 4.31 | 22,608 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,160 |
| The Trojan War | 0 | - | 4.83 | 39,780 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,120 |
| Word Chain - Italy | 0 | - | 4.07 | 23,178 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,122 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,625 |
| Roman Emperors | 0 | - | 4.95 | 120,313 |
| Famous Nordic People | 0 | - | 4.34 | 20,158 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,621 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,936 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,354 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,539 |
| People on Money - England | 0 | - | 4.29 | 16,622 |
| Name a Valid English City | 0 | - | 4.19 | 16,741 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,536 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,438 |
| Top World Languages | 0 | - | 4.92 | 823,883 |
| Australian Capitals | 0 | - | 4.92 | 62,742 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,653 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 120,081 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,369 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,968 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,763 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,004 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,732 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,032 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,858 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,150 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,638 |
| Europe Map Quiz | 0 | - | 5.00 | 4,768,980 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,337 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,998 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,282 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,281 |
| European Geography By Letter - S #1 | 0 | - | 4.62 | 100,750 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,527 |
| Capitals of French Regions | 0 | - | 4.45 | 16,096 |
| Capitals of German States | 0 | - | 4.74 | 28,979 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,383 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,638 |
| Ancient Greek Words | 0 | - | 4.93 | 111,835 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,386 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,483 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,800 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,977 |
| Countries by Official Language | 0 | - | 4.95 | 195,201 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,218 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,287 |
| Countries in their Native Language | 0 | - | 4.99 | 198,990 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,033 |
| Africa Map Quiz | 0 | - | 5.00 | 2,120,880 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,170 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,518 |
| European Physical Geography | 0 | - | 4.26 | 33,536 |
| Geography of Russia | 0 | - | 4.57 | 21,550 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,998 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,743 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,238 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,618 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,197 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,122 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,357 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,702 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,396 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,624 |
| Geography of the British Empire | 0 | - | 4.48 | 39,730 |
| Champions League Top 4 | 0 | - | 4.77 | 137,116 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,362 |
| Asia Map Quiz | 0 | - | 4.99 | 918,875 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,163 |
| Countries of Africa | 0 | - | 5.00 | 2,543,029 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,042 |
| African East Coast | 0 | - | 4.96 | 96,223 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,085 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,844 |
| Australia Map Quiz | 0 | - | 4.95 | 344,975 |
| United States Map Quiz | 0 | - | 4.98 | 4,162,467 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,684 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,721 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,436 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,910 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,017 |
