| European Countries by First 2 Letters | 0 | - | 4.95 | 526,267 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,569 |
| Official European Union Languages | 0 | - | 4.97 | 236,479 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,681 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,107 |
| Slavic Languages | 0 | - | 4.67 | 53,965 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,526 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,557 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,559 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,237 |
| Celtic Nations | 0 | - | 4.69 | 46,808 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,833 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,769 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,814 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,040 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,743 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,315 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,192 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,130 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,211 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,751 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,924 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,767 |
| States of Germany | 0 | - | 4.96 | 149,987 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,995 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,513 |
| Regions of Italy | 0 | - | 4.92 | 74,677 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,787 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,291 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,130 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,402 |
| Champions League Winners | 0 | - | 4.92 | 996,050 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,452 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,152 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,113 |
| Departments of France | 0 | - | 4.93 | 52,777 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,357 |
| England or Wales? | 0 | - | 4.94 | 45,306 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,443 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,443 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,598 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,972 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,984 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,427 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,242 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,778 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,508 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,732 |
| Name that Greek Letter | 0 | - | 4.94 | 321,608 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,485 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,100 |
| History of Russia Quiz | 0 | - | 4.49 | 31,788 |
| The Trojan War | 0 | - | 4.83 | 39,422 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,502 |
| History of Italy | 0 | - | 4.55 | 31,811 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,145 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,034 |
| Roman Emperors | 0 | - | 4.95 | 118,428 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,477 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,977 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,074 |
| Australian Capitals | 0 | - | 4.92 | 62,592 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,371 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 110,875 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,808 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,682 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,196 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,854 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,652 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,612 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,010 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,286 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,323 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,981 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,607 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,935 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,972 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,580 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,134 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,603 |
| Capitals of French Regions | 0 | - | 4.45 | 15,982 |
| Regions of France | 0 | - | 4.78 | 119,190 |
| France Immigration by Country | 0 | - | 4.72 | 75,950 |
| Famous Germans | 0 | - | 4.50 | 54,601 |
| German Groups of Things | 0 | - | 4.46 | 38,302 |
| Capitals of German States | 0 | - | 4.74 | 28,810 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,090 |
| Germany True or False? | 0 | - | 4.61 | 48,525 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,456 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,851 |
| Ancient Greek Words | 0 | - | 4.92 | 110,653 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,361 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,767 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,040 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,930 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,017 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,294 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,926 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,135 |
| European Physical Geography | 0 | - | 4.26 | 33,373 |
| Geography of Russia | 0 | - | 4.57 | 21,424 |
| History of Austria | 0 | - | 4.70 | 17,743 |
| Geography of the French Empire | 0 | - | 4.48 | 26,923 |
| The French Revolution | 0 | - | 4.46 | 23,776 |
| France Multiple Choice | 0 | - | 4.38 | 40,631 |
| History of France | 0 | - | 4.59 | 55,996 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,382 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,437 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,610 |
| The Vikings! | 0 | - | 4.45 | 28,244 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,684 |
| The Portuguese Empire | 0 | - | 4.54 | 11,988 |
| American to British Word Translation | 0 | - | 4.06 | 117,045 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,701 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,207 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,390 |
| Champions League Top 4 | 0 | - | 4.77 | 133,732 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,488 |
| Asia Map Quiz | 0 | - | 4.99 | 906,785 |
| Countries of Africa | 0 | - | 5.00 | 2,506,972 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,794 |
| African East Coast | 0 | - | 4.96 | 95,015 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,903 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,775 |
| Australia Map Quiz | 0 | - | 4.94 | 342,429 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,283 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,069 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,187 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,919 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,258 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,188 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,476 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,878 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,252 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,469 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,142 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,905 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,286 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,388 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,496 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,495 |
| European Geography A-Z | 0 | - | 4.28 | 48,987 |
| Country Codes of Europe | 0 | - | 3.46 | 13,651 |
| The Only European Country ... | 0 | - | 4.91 | 213,750 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,477 |
| Austria... or Australia? | 0 | - | 4.68 | 103,851 |
| Presidents of France | 0 | - | 4.25 | 23,895 |
| Word Chain - France | 0 | - | 4.38 | 42,576 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,765 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,765 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,883 |
| Italian Foods | 0 | - | 4.31 | 72,160 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,936 |
| The Mafia Quiz | 0 | - | 4.46 | 23,203 |
| History of The Netherlands | 0 | - | 4.46 | 17,306 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,954 |
| Canary Islands | 0 | - | 4.61 | 17,398 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,135 |
| British Spellings | 0 | - | 4.07 | 99,201 |
| British Groups of Things | 0 | - | 4.25 | 82,667 |
| British Acronyms | 0 | - | 4.39 | 45,617 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,944 |
| British Monopoly Board | 0 | - | 4.52 | 41,027 |
| Geography of Scotland | 0 | - | 4.63 | 21,475 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,435 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,665 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,426 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,075 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,587 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,544 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,237 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,488 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,057 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,388 |
| African Island Countries | 0 | - | 4.96 | 100,761 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,599 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,672 |
| Australian States and Territories | 0 | - | 4.95 | 140,684 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,009 |
| Australia True or False | 0 | - | 4.87 | 56,496 |
| Flags of North and South America | 0 | - | 4.99 | 366,887 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,140 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,145 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,123 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,991 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,363 |
| North America Map Quiz | 0 | - | 4.98 | 244,342 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,371 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,757 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,800 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,595 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,487 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,058 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,510 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,682 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,264 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,261 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,450 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,107 |
| Seas of Europe | 0 | - | 4.37 | 83,822 |
