| European Countries by First 2 Letters | 0 | - | 4.96 | 516,390 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 66,600 |
| Official European Union Languages | 0 | - | 4.98 | 231,590 |
| European Countries in their Native Language | 0 | - | 4.99 | 153,546 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 415,983 |
| Slavic Languages | 0 | - | 4.64 | 52,678 |
| Europe Geography Decoder | 0 | - | 4.86 | 68,073 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.79 | 41,369 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 40,763 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 22,717 |
| Celtic Nations | 0 | - | 4.77 | 46,322 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,025 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.85 | 85,222 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 302,451 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 154,708 |
| Germany Multiple Choice | 0 | - | 4.83 | 52,901 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 334,754 |
| Catholic Countries in Europe | 0 | - | 4.83 | 91,663 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 57,087 |
| European Geography By Letter - B #2 | 0 | - | 4.81 | 67,112 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 76,289 |
| Federal Subjects of Russia | 0 | - | 4.95 | 136,041 |
| States of Germany | 0 | - | 4.95 | 142,898 |
| Germany Immigration by Country | 0 | - | 4.86 | 77,469 |
| States of the German Confederation in 1848 | 0 | - | 4.88 | 30,171 |
| Counties of Ireland | 0 | - | 4.91 | 180,799 |
| Regions of Italy | 0 | - | 4.91 | 70,659 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 36,101 |
| Regions of Spain Quiz | 0 | - | 4.89 | 107,720 |
| Cantons of Switzerland | 0 | - | 4.97 | 47,182 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 16,948 |
| Champions League Winners | 0 | - | 4.91 | 968,928 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,216 |
| Pre-Euro Currencies | 0 | - | 4.43 | 51,822 |
| Word Scramble - European Countries | 0 | - | 4.73 | 137,501 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 107,729 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 223,312 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 267,691 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 159,398 |
| Departments of France | 0 | - | 4.91 | 47,895 |
| Capitals of Italian Regions | 0 | - | 4.62 | 35,945 |
| Countries Surrounding Rome | 0 | - | 4.96 | 48,713 |
| Spanish Immigration by Country | 0 | - | 4.61 | 54,581 |
| England or Wales? | 0 | - | 4.94 | 44,213 |
| All UEFA Champions League Teams Ever | 0 | - | 4.83 | 124,082 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 261,946 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 62,788 |
| French Geography Quiz #1 | 0 | - | 4.88 | 33,688 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 271,971 |
| Top European Languages on a Map | 0 | - | 4.77 | 127,995 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 624,070 |
| Italy Multiple Choice | 0 | - | 4.74 | 101,151 |
| Geography of the Dutch Empire | 0 | - | 4.68 | 33,938 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 76,509 |
| Europe Map Quiz | 0 | - | 5.00 | 4,631,256 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 25,628 |
| Four Letter European Geography #2 | 0 | - | 4.55 | 18,394 |
| Capitals of French Regions | 0 | - | 4.43 | 15,716 |
| Capitals of German States | 0 | - | 4.70 | 28,409 |
| Chancellors of Germany, 1949–present | 0 | - | 4.58 | 22,462 |
| The Trojan War | 0 | - | 4.81 | 38,432 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.83 | 105,455 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 82,331 |
| Roman Emperors | 0 | - | 4.96 | 112,046 |
| Africa Map Quiz | 0 | - | 5.00 | 2,065,739 |
| Oceania Map Quiz | 0 | - | 4.98 | 616,704 |
| Australian Capitals | 0 | - | 4.92 | 62,202 |
| European Geography By Letter - A | 0 | - | 4.61 | 130,248 |
| European Geography By Letter - B #1 | 0 | - | 4.70 | 108,761 |
| European Geography By Letter - C | 0 | - | 4.46 | 109,879 |
| European Geography By Letter - D | 0 | - | 4.52 | 104,584 |
| European Geography By Letter - L | 0 | - | 4.52 | 109,977 |
| European Geography By Letter - M | 0 | - | 4.53 | 119,392 |
| European Geography By Letter - P | 0 | - | 4.78 | 94,384 |
| European Geography By Letter - N | 0 | - | 4.43 | 97,823 |
| European Geography By Letter - R | 0 | - | 4.41 | 91,006 |
| European Geography By Letter - V | 0 | - | 4.44 | 90,557 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,127 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 70,671 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,145 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,257 |
| European Geography By Letter - S #1 | 0 | - | 4.61 | 97,845 |
| Regions of France | 0 | - | 4.74 | 114,452 |
| France Immigration by Country | 0 | - | 4.73 | 74,445 |
| Famous Germans | 0 | - | 4.44 | 41,413 |
| German Groups of Things | 0 | - | 4.46 | 37,805 |
| Germany True or False? | 0 | - | 4.63 | 47,686 |
| Largest Islands of Greece | 0 | - | 4.59 | 45,713 |
| Olympian Gods Quiz | 0 | - | 4.96 | 476,031 |
| Name that Greek Letter | 0 | - | 4.93 | 314,906 |
| Famous Italians by Clue | 0 | - | 4.45 | 85,297 |
| Provinces of the Netherlands | 0 | - | 4.77 | 38,652 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 47,571 |
| Foods in a Full English Breakfast | 0 | - | 4.45 | 99,849 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,417,067 |
| Asia Map Quiz | 0 | - | 4.99 | 876,249 |
| African East Coast | 0 | - | 4.96 | 92,352 |
| Western Africa Map Quiz | 0 | - | 4.97 | 70,150 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 47,439 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 203,983 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 90,653 |
| Countries That Use the Euro | 0 | - | 4.97 | 94,277 |
| European Physical Geography | 0 | - | 4.25 | 33,050 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 108,316 |
| Country Codes of Europe | 0 | - | 3.44 | 13,430 |
| The Only European Country ... | 0 | - | 4.92 | 204,174 |
| European Countries NOT in NATO | 0 | - | 4.88 | 54,441 |
| History of Russia Quiz | 0 | - | 4.49 | 31,432 |
| Geography of Russia | 0 | - | 4.56 | 21,105 |
| History of Austria | 0 | - | 4.69 | 17,400 |
| Presidents of France | 0 | - | 4.25 | 22,914 |
| Geography of the French Empire | 0 | - | 4.51 | 26,473 |
| The French Revolution | 0 | - | 4.46 | 23,159 |
| France Multiple Choice | 0 | - | 4.37 | 40,223 |
| History of France Quiz | 0 | - | 4.56 | 42,216 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.42 | 23,054 |
| Ancient Greek Words | 0 | - | 4.92 | 107,399 |
| History of Italy | 0 | - | 4.54 | 31,403 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 53,869 |
| The Vikings! | 0 | - | 4.46 | 27,978 |
| Sweden Immigration by Country | 0 | - | 4.54 | 54,555 |
| The Portuguese Empire | 0 | - | 4.54 | 11,820 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,725 |
| American to British Word Translation | 0 | - | 4.01 | 115,550 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,170 |
| United Kingdom A-Z | 0 | - | 4.53 | 85,981 |
| Beatles Songs Quiz | 0 | - | 4.96 | 227,174 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 286,194 |
| Champions League Top 4 | 0 | - | 4.74 | 126,944 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 92,358 |
| Countries of Africa | 0 | - | 5.00 | 2,419,106 |
| Australia Map Quiz | 0 | - | 4.94 | 337,134 |
| United States Map Quiz | 0 | - | 4.98 | 4,091,253 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 356,084 |
| European Geography By Letter - E | 0 | - | 4.22 | 110,422 |
| European Geography By Letter - F | 0 | - | 4.18 | 89,895 |
| European Geography By Letter - H | 0 | - | 4.29 | 93,386 |
| European Geography By Letter - G | 0 | - | 4.25 | 99,412 |
| European Geography By Letter - I | 0 | - | 4.11 | 92,864 |
| European Geography By Letter - K | 0 | - | 4.13 | 67,683 |
| European Geography By Letter - O | 0 | - | 4.29 | 60,603 |
| European Geography by Letter - W | 0 | - | 4.21 | 81,258 |
| European Geography By Letter - T | 0 | - | 4.40 | 73,788 |
| Europe Geography Quiz #3 | 0 | - | 4.33 | 62,639 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 49,377 |
| European Geography A-Z | 0 | - | 4.28 | 48,211 |
| Austria... or Australia? | 0 | - | 4.73 | 102,440 |
| Word Chain - France | 0 | - | 4.38 | 42,037 |
| Ancient Greek Trivia | 0 | - | 4.61 | 65,906 |
| Italian Foods | 0 | - | 4.30 | 70,326 |
| Countries Italy Declared War On | 0 | - | 4.74 | 42,263 |
| The Mafia Quiz | 0 | - | 4.46 | 22,857 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 423,164 |
| History of The Netherlands | 0 | - | 4.46 | 16,872 |
| Famous Nordic People | 0 | - | 4.41 | 11,093 |
| Canary Islands | 0 | - | 4.61 | 17,192 |
| Switzerland Immigration by Country | 0 | - | 4.78 | 27,559 |
| British Spellings Quiz | 0 | - | 4.07 | 98,155 |
| British Groups of Things | 0 | - | 4.25 | 82,267 |
| British Acronyms | 0 | - | 4.39 | 45,107 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,635 |
| British Monopoly Board | 0 | - | 4.51 | 40,611 |
| Geography of Scotland | 0 | - | 4.63 | 20,990 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,355,655 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 96,581 |
| Flags of Africa Quiz | 0 | - | 5.00 | 438,658 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 26,909 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 211,194 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 112,941 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 156,941 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 131,686 |
| Top African Languages on a Map | 0 | - | 4.92 | 67,998 |
| African Island Countries | 0 | - | 4.96 | 97,872 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 237,587 |
| Australian States and Territories | 0 | - | 4.96 | 137,853 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,165 |
| Australia True or False | 0 | - | 4.87 | 55,410 |
| Flags of North and South America | 0 | - | 4.99 | 342,958 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 111,020 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 141,094 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 122,927 |
| South America Map Quiz | 0 | - | 5.00 | 1,513,128 |
| Countries of North America Quiz | 0 | - | 5.00 | 977,508 |
| North America Map Quiz | 0 | - | 4.98 | 232,582 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 112,331 |
| Canada Provinces and Territories | 0 | - | 5.00 | 324,035 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 618,078 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 52,891 |
| Straight Shot to Antarctica | 0 | - | 4.93 | 41,225 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,160,934 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,292,052 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 187,932 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 147,293 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 208,791 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 84,485 |
| Name a Major European City A-Z | 0 | - | 4.33 | 47,857 |
| Seas of Europe | 0 | - | 4.35 | 82,444 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.94 | 63,001 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 85,116 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 123,808 |
