| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,960 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,857 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,501 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,497 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,022 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,721 |
| Official European Union Languages | 0 | - | 4.97 | 237,234 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,075 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,805 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,482 |
| Slavic Languages | 0 | - | 4.68 | 54,064 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,612 |
| History of Russia Quiz | 0 | - | 4.49 | 31,812 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,605 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,616 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,340 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,687 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,465 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,354 |
| Slavic Countries | 0 | - | 4.96 | 111,027 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,111 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,631 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,076 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,262 |
| Celtic Nations | 0 | - | 4.69 | 46,839 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,565 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,037 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,999 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,881 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,346 |
| European Geography By Letter - M | 0 | - | 4.61 | 129,123 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,952 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,720 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,097 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,441 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,697 |
| Famous Germans | 0 | - | 4.50 | 54,719 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,695 |
| Champions League Winners | 0 | - | 4.92 | 998,220 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,530 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,377 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,592 |
| Geography of Russia | 0 | - | 4.57 | 21,450 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,333 |
| States of Germany | 0 | - | 4.96 | 150,543 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,174 |
| Regions of Italy | 0 | - | 4.92 | 74,938 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,964 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,624 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,495 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,332 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,578 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,106 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,343 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,778 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,018 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,628 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,600 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,278 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,011 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,359 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,581 |
| European Geography A-Z | 0 | - | 4.28 | 49,050 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,219 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,004 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,624 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,531 |
| Departments of France | 0 | - | 4.93 | 53,031 |
| The Mafia Quiz | 0 | - | 4.46 | 23,222 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,402 |
| History of The Netherlands | 0 | - | 4.46 | 17,340 |
| England or Wales? | 0 | - | 4.94 | 45,404 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,804 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,613 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,107 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,410 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,223 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,964 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,565 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,566 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,979 |
| France A-Z | 0 | - | 4.16 | 38,089 |
| The Trojan War | 0 | - | 4.83 | 39,486 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,161 |
| Name that Greek Letter | 0 | - | 4.94 | 322,031 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,838 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,470 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,151 |
| Roman Emperors | 0 | - | 4.95 | 118,760 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,284 |
| Switzerland A-Z | 0 | - | 4.45 | 25,538 |
| Africa A-Z | 0 | - | 4.57 | 46,419 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,331 |
| Famous Russians | 0 | - | 4.16 | 23,747 |
| Word Chain - Russia | 0 | - | 4.33 | 15,699 |
| Famous French People | 0 | - | 4.12 | 28,055 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,028 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,295 |
| Famous Irish People | 0 | - | 4.05 | 45,880 |
| History of Italy | 0 | - | 4.55 | 31,858 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,306 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,517 |
| Famous Nordic People | 0 | - | 4.34 | 19,919 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,555 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,023 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,482 |
| People on Money - England | 0 | - | 4.29 | 16,576 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,432 |
| London A-Z | 0 | - | 4.10 | 40,670 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 34,792 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,802 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,835 |
| Europe Map Quiz | 0 | - | 5.00 | 4,737,756 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,043 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,679 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,003 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,038 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,255 |
| Capitals of French Regions | 0 | - | 4.45 | 16,000 |
| Regions of France | 0 | - | 4.78 | 119,566 |
| France Immigration by Country | 0 | - | 4.72 | 76,055 |
| German Groups of Things | 0 | - | 4.46 | 38,343 |
| Capitals of German States | 0 | - | 4.74 | 28,861 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,146 |
| Germany True or False? | 0 | - | 4.61 | 48,586 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,593 |
| Ancient Greek Words | 0 | - | 4.92 | 110,886 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,710 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,927 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,099 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,121 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,421 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,527 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,548 |
| Famous Scottish People | 0 | - | 4.22 | 18,341 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,894 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,458 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,217 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,632 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,132 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,588 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,774 |
| Middle East A-Z | 0 | - | 4.47 | 45,857 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,307,283 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,856 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,661 |
| Australian Capitals | 0 | - | 4.92 | 62,612 |
| Canada A-Z | 0 | - | 4.73 | 32,687 |
| European Physical Geography | 0 | - | 4.26 | 33,394 |
| Russian History A-Z | 0 | - | 4.38 | 31,209 |
| Czech Republic Country Quiz | 0 | - | 4.52 | 41,937 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,813 |
| History of Austria | 0 | - | 4.70 | 17,776 |
| Geography of the French Empire | 0 | - | 4.45 | 26,963 |
| The French Revolution | 0 | - | 4.46 | 23,824 |
| France Multiple Choice | 0 | - | 4.38 | 40,655 |
| History of France | 0 | - | 4.59 | 56,338 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,404 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,373 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,333 |
| The Vikings! | 0 | - | 4.46 | 28,263 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,756 |
| The Portuguese Empire | 0 | - | 4.54 | 12,005 |
| American to British Word Translation | 0 | - | 4.12 | 137,042 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,762 |
| Champions League Top 4 | 0 | - | 4.77 | 134,280 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,349 |
| Asia Map Quiz | 0 | - | 4.99 | 908,627 |
| A Quiz About Islam | 0 | - | 4.31 | 48,251 |
| Countries That Don't Recognize Israel | 0 | - | 4.63 | 34,532 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,056 |
| Countries of Africa | 0 | - | 5.00 | 2,513,533 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,981 |
| African East Coast | 0 | - | 4.96 | 95,248 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,130 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,003 |
| Australia Map Quiz | 0 | - | 4.94 | 342,823 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,883 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,382 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,142 |
| United States Map Quiz | 0 | - | 4.98 | 4,144,856 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,941 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,565 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,362 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,429 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,721 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,448 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,917 |
| Country Codes of Europe | 0 | - | 3.46 | 13,662 |
| The Only European Country ... | 0 | - | 4.91 | 214,421 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,910 |
| Seas of Europe | 0 | - | 4.37 | 83,898 |
| Embarrassing Chapters in Russian History | 0 | - | 3.70 | 20,250 |
| Austria... or Australia? | 0 | - | 4.68 | 103,975 |
| Presidents of France | 0 | - | 4.25 | 23,936 |
| Word Chain - France | 0 | - | 4.38 | 42,616 |
| History of Germany | 0 | - | 4.39 | 52,667 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,821 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,803 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,055 |
