| European Countries by First 2 Letters | 0 | - | 4.95 | 527,174 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,762 |
| Official European Union Languages | 0 | - | 4.97 | 237,365 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,155 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,018 |
| Slavic Languages | 0 | - | 4.68 | 54,096 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,670 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,633 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,273 |
| Celtic Nations | 0 | - | 4.69 | 46,852 |
| History of Russia Quiz | 0 | - | 4.49 | 31,825 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,614 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,006 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,881 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,940 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,553 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,391 |
| Slavic Countries | 0 | - | 4.96 | 111,092 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,139 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,673 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,613 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,534 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,444 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,246 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,540 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,119 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,836 |
| Geography of Russia | 0 | - | 4.57 | 21,458 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,380 |
| States of Germany | 0 | - | 4.96 | 150,745 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,234 |
| Regions of Italy | 0 | - | 4.92 | 75,006 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,005 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,854 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,573 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,585 |
| Champions League Winners | 0 | - | 4.92 | 999,115 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,487 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,617 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,162 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,578 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,260 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,786 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,715 |
| Departments of France | 0 | - | 4.93 | 53,101 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,493 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,410 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,305 |
| England or Wales? | 0 | - | 4.94 | 45,433 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,960 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,977 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,026 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,581 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,878 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,424 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,572 |
| Name that Greek Letter | 0 | - | 4.94 | 322,179 |
| History of Italy | 0 | - | 4.55 | 31,870 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,346 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,532 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,051 |
| Europe Map Quiz | 0 | - | 5.00 | 4,740,356 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,523 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,922 |
| Word Chain - Russia | 0 | - | 4.33 | 15,707 |
| Capitals of French Regions | 0 | - | 4.45 | 16,009 |
| Capitals of German States | 0 | - | 4.74 | 28,871 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,164 |
| The Trojan War | 0 | - | 4.83 | 39,510 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,947 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,187 |
| Roman Emperors | 0 | - | 4.95 | 118,869 |
| Africa Map Quiz | 0 | - | 5.00 | 2,108,263 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,228 |
| Australian Capitals | 0 | - | 4.92 | 62,627 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,594 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,059 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,027 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,906 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,375 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,180 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,970 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,744 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,119 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,494 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,070 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,711 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,022 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,058 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,722 |
| Regions of France | 0 | - | 4.78 | 119,680 |
| France Immigration by Country | 0 | - | 4.72 | 76,096 |
| Famous Germans | 0 | - | 4.50 | 54,759 |
| German Groups of Things | 0 | - | 4.46 | 38,355 |
| Germany True or False? | 0 | - | 4.61 | 48,614 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,631 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,598 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,746 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,971 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,110 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,413 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,852 |
| Asia Map Quiz | 0 | - | 4.99 | 909,275 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,087 |
| African East Coast | 0 | - | 4.96 | 95,347 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,211 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,056 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,723 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,394 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,583 |
| European Physical Geography | 0 | - | 4.26 | 33,406 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,039 |
| Country Codes of Europe | 0 | - | 3.46 | 13,666 |
| The Only European Country ... | 0 | - | 4.91 | 214,669 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,033 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,825 |
| History of Austria | 0 | - | 4.70 | 17,780 |
| Presidents of France | 0 | - | 4.25 | 23,948 |
| Geography of the French Empire | 0 | - | 4.45 | 26,975 |
| The French Revolution | 0 | - | 4.46 | 23,839 |
| France Multiple Choice | 0 | - | 4.38 | 40,667 |
| History of France | 0 | - | 4.59 | 56,439 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,411 |
| Ancient Greek Words | 0 | - | 4.93 | 110,958 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,747 |
| The Vikings! | 0 | - | 4.46 | 28,272 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,777 |
| The Portuguese Empire | 0 | - | 4.58 | 12,010 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,980 |
| American to British Word Translation | 0 | - | 4.13 | 137,602 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,779 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,366 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,433 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,676 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,817 |
| Champions League Top 4 | 0 | - | 4.77 | 134,531 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,969 |
| Countries of Africa | 0 | - | 5.00 | 2,515,907 |
| Australia Map Quiz | 0 | - | 4.94 | 342,954 |
| United States Map Quiz | 0 | - | 4.98 | 4,145,861 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,893 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,362 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,793 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,032 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,653 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,616 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,304 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,032 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,374 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,464 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,598 |
| European Geography A-Z | 0 | - | 4.28 | 49,075 |
| Embarrassing Chapters in Russian History | 0 | - | 3.70 | 20,257 |
| Austria... or Australia? | 0 | - | 4.68 | 104,020 |
| Word Chain - France | 0 | - | 4.38 | 42,639 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,832 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,812 |
| Italian Foods | 0 | - | 4.31 | 72,352 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,084 |
| The Mafia Quiz | 0 | - | 4.46 | 23,226 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,594 |
| History of The Netherlands | 0 | - | 4.46 | 17,348 |
| Canary Islands | 0 | - | 4.61 | 17,426 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,299 |
| British Spellings | 0 | - | 4.07 | 99,324 |
| British Groups of Things | 0 | - | 4.25 | 82,741 |
| British Acronyms | 0 | - | 4.39 | 45,670 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,980 |
| British Monopoly Board | 0 | - | 4.52 | 41,081 |
| Geography of Scotland | 0 | - | 4.63 | 21,518 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,321 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,565 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,479 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,983 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,776 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,533 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,705 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,503 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,952 |
| African Island Countries | 0 | - | 4.96 | 101,019 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,161 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,878 |
| Australian States and Territories | 0 | - | 4.96 | 141,189 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,091 |
| Australia True or False | 0 | - | 4.87 | 56,608 |
| Flags of North and South America | 0 | - | 4.99 | 369,126 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,313 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,397 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,625 |
| South America Map Quiz | 0 | - | 5.00 | 1,543,167 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,015,308 |
| North America Map Quiz | 0 | - | 4.98 | 245,839 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,472 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,127 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,128 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,794 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,607 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,231,637 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,050 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,977 |
