| European Countries by First 2 Letters | 0 | - | 4.95 | 527,124 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,758 |
| Official European Union Languages | 0 | - | 4.97 | 237,349 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,148 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,989 |
| Slavic Languages | 0 | - | 4.68 | 54,089 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,664 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,630 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,272 |
| Celtic Nations | 0 | - | 4.69 | 46,850 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,612 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,001 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,862 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,906 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,139 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,670 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,539 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,531 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,436 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,239 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,535 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,106 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,807 |
| States of Germany | 0 | - | 4.96 | 150,720 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,231 |
| Regions of Italy | 0 | - | 4.92 | 75,002 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,002 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,841 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,556 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,584 |
| Champions League Winners | 0 | - | 4.92 | 999,005 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,824 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,487 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,614 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,155 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,553 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,235 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,765 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,688 |
| Departments of France | 0 | - | 4.93 | 53,094 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,493 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,410 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,299 |
| England or Wales? | 0 | - | 4.94 | 45,429 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,937 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,949 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,019 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,581 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,860 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,416 |
| History of Russia Quiz | 0 | - | 4.49 | 31,824 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,525 |
| Name that Greek Letter | 0 | - | 4.94 | 322,165 |
| History of Italy | 0 | - | 4.55 | 31,868 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,340 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,529 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,049 |
| Europe Map Quiz | 0 | - | 5.00 | 4,740,074 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,459 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,873 |
| Capitals of French Regions | 0 | - | 4.45 | 16,009 |
| Capitals of German States | 0 | - | 4.74 | 28,870 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,161 |
| The Trojan War | 0 | - | 4.83 | 39,509 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,938 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,183 |
| Roman Emperors | 0 | - | 4.95 | 118,857 |
| Africa Map Quiz | 0 | - | 5.00 | 2,108,055 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,169 |
| Australian Capitals | 0 | - | 4.92 | 62,620 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,590 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,055 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,023 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,902 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,371 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,169 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,968 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,743 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,117 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,490 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,066 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,708 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,021 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,058 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,721 |
| Regions of France | 0 | - | 4.78 | 119,672 |
| France Immigration by Country | 0 | - | 4.72 | 76,093 |
| Famous Germans | 0 | - | 4.50 | 54,757 |
| German Groups of Things | 0 | - | 4.46 | 38,354 |
| Germany True or False? | 0 | - | 4.61 | 48,610 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,625 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,581 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,744 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,953 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,107 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,343 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,780 |
| Asia Map Quiz | 0 | - | 4.99 | 909,172 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,074 |
| African East Coast | 0 | - | 4.96 | 95,330 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,204 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,056 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,700 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,393 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,564 |
| European Physical Geography | 0 | - | 4.26 | 33,406 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,026 |
| Country Codes of Europe | 0 | - | 3.46 | 13,666 |
| The Only European Country ... | 0 | - | 4.91 | 214,651 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,020 |
| Geography of Russia | 0 | - | 4.57 | 21,456 |
| History of Austria | 0 | - | 4.70 | 17,780 |
| Presidents of France | 0 | - | 4.25 | 23,945 |
| Geography of the French Empire | 0 | - | 4.45 | 26,973 |
| The French Revolution | 0 | - | 4.46 | 23,837 |
| France Multiple Choice | 0 | - | 4.38 | 40,664 |
| History of France | 0 | - | 4.59 | 56,424 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,411 |
| Ancient Greek Words | 0 | - | 4.93 | 110,951 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,740 |
| The Vikings! | 0 | - | 4.46 | 28,270 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,776 |
| The Portuguese Empire | 0 | - | 4.58 | 12,009 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,979 |
| American to British Word Translation | 0 | - | 4.13 | 137,537 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,779 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,362 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,432 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,659 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,747 |
| Champions League Top 4 | 0 | - | 4.77 | 134,498 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,957 |
| Countries of Africa | 0 | - | 5.00 | 2,515,637 |
| Australia Map Quiz | 0 | - | 4.94 | 342,942 |
| United States Map Quiz | 0 | - | 4.98 | 4,145,710 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,869 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,359 |
| 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 | 101,652 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,615 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,303 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,030 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,373 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,462 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,597 |
| European Geography A-Z | 0 | - | 4.28 | 49,072 |
| Austria... or Australia? | 0 | - | 4.68 | 104,016 |
| Word Chain - France | 0 | - | 4.38 | 42,638 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,830 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,810 |
| Italian Foods | 0 | - | 4.31 | 72,345 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,083 |
| The Mafia Quiz | 0 | - | 4.46 | 23,224 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,564 |
| History of The Netherlands | 0 | - | 4.46 | 17,348 |
| Canary Islands | 0 | - | 4.61 | 17,426 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,297 |
| British Spellings | 0 | - | 4.07 | 99,322 |
| British Groups of Things | 0 | - | 4.25 | 82,739 |
| British Acronyms | 0 | - | 4.39 | 45,669 |
| 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 | 1,378,193 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,560 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,400 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,973 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,771 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,524 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,698 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,495 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,939 |
| African Island Countries | 0 | - | 4.96 | 101,009 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,146 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,874 |
| Australian States and Territories | 0 | - | 4.96 | 141,187 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,089 |
| Australia True or False | 0 | - | 4.87 | 56,605 |
| Flags of North and South America | 0 | - | 4.99 | 369,055 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,304 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,388 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,612 |
| South America Map Quiz | 0 | - | 5.00 | 1,543,083 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,015,173 |
| North America Map Quiz | 0 | - | 4.98 | 245,815 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,470 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,088 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,089 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,789 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,605 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,231,478 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,977 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,971 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,550 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,977 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,648 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,244 |
| Seas of Europe | 0 | - | 4.37 | 84,428 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,018 |
