| European Countries by First 2 Letters | 0 | - | 4.95 | 532,626 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,127 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,908 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,105 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,507 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,764 |
| Official European Union Languages | 0 | - | 4.97 | 239,868 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,694 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,039 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,727 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,578 |
| Australia A-Z | 0 | - | 4.54 | 50,146 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,072 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,101 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,335 |
| Germany A-Z | 0 | - | 4.56 | 62,873 |
| Italy A-Z | 0 | - | 4.49 | 58,776 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,309 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 108,849 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,065 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,989 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,049 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,422 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,843 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,930 |
| China A-Z | 0 | - | 4.55 | 67,662 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,529 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,661 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,513 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,051 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,891 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,010 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,704 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,628 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,473 |
| Mythology A-Z | 0 | - | 4.31 | 37,407 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,953 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,531 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,853 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,823 |
| Scotland A-Z | 0 | - | 4.73 | 41,467 |
| Champions League Winners | 0 | - | 4.92 | 1,016,609 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,757 |
| Celtic Nations | 0 | - | 4.61 | 47,105 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,017 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,805 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,788 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,987 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,998 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,934 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,010 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,800 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,941 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,019 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,611 |
| Departments of France | 0 | - | 4.93 | 55,219 |
| States of Germany | 0 | - | 4.95 | 154,619 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,722 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,980 |
| Regions of Italy | 0 | - | 4.92 | 77,133 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,752 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,825 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,396 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,786 |
| Lord of the Rings Decoder | 0 | - | 4.61 | 42,795 |
| Lord of the Rings Characters | 0 | - | 4.54 | 113,669 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,843 |
| England or Wales? | 0 | - | 4.94 | 45,982 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,231 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,146 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,028 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,428 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,824 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,120 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,377 |
| Name a Valid African Country | 0 | - | 4.98 | 155,087 |
| Political Figures by Last Name #1 | 0 | - | 4.56 | 68,759 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,439,338 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,476 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,763 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,286 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,974 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,335 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,214 |
| Name that Greek Letter | 0 | - | 4.93 | 325,069 |
| Italian Foods | 0 | - | 4.30 | 73,299 |
| Countries Italy Declared War On | 0 | - | 4.70 | 45,628 |
| Prime Ministers of the UK | 0 | - | 4.95 | 442,516 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,975 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,059 |
| #1 Hits of the 1980s | 0 | - | 4.87 | 149,507 |
| Biblical Names Still Popular Today | 0 | - | 4.28 | 51,617 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 62,042 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,722 |
| California A-Z | 0 | - | 4.49 | 28,848 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,371 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,616 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,031 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,754 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,723 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,355 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 122,623 |
| Slavic Languages | 0 | - | 4.67 | 54,713 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,645 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,353 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,163 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 72,039 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,365 |
| The Trojan War | 0 | - | 4.83 | 40,006 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,019 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,746 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,208 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,612 |
| Roman Emperors | 0 | - | 4.95 | 121,268 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,247 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,900 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,634 |
| Spain A-Z | 0 | - | 4.23 | 28,557 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 54,009 |
| Geography of Spain | 0 | - | 4.59 | 22,189 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,368 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 81,007 |
| Middle Earth Geography | 0 | - | 4.56 | 39,963 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,807 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,974 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,107 |
| Imagine Lyrics | 0 | - | 4.53 | 43,544 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,348 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,107 |
| Topological Map of Asia Quiz | 0 | - | 4.82 | 20,461 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,224 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,500 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,530 |
| Countries that Beat China | 0 | - | 4.85 | 116,785 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,602 |
| Hindu Countries | 0 | - | 4.87 | 50,599 |
| Superhero Nicknames | 0 | - | 4.21 | 61,845 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 492,139 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 716,122 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,626 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 130,708 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,656 |
| Flags of the Countries that Start with B | 0 | - | 4.97 | 43,604 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,931 |
| Friends A-Z | 0 | - | 4.47 | 40,656 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,565 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,348 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,881 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,395 |
| History of Russia Quiz | 0 | - | 4.47 | 32,009 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,881 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,906 |
| Ancient Greek Words | 0 | - | 4.93 | 112,526 |
| History of Italy | 0 | - | 4.55 | 32,159 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,406 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,829 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,432 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 41,055 |
| Countries that Beat Egypt | 0 | - | 4.91 | 67,106 |
| New York City A-Z | 0 | - | 4.18 | 32,388 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,556,395 |
| Colleges by U.S. State - Multiple Choice | 0 | - | 4.57 | 23,141 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,176 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,454 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,270 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,665 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,122 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,186 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,192 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,665 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,220 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,837 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,122 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,708 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,495 |
| European Physical Geography | 0 | - | 4.26 | 33,600 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,536 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,198 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,472 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,437 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,513 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,560 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,752 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,485 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,552 |
| Geography of Russia | 0 | - | 4.57 | 21,606 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,602 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,172 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,137 |
| History of Austria | 0 | - | 4.70 | 17,977 |
| Capitals of French Regions | 0 | - | 4.45 | 16,185 |
| Regions of France | 0 | - | 4.70 | 122,167 |
| France Immigration by Country | 0 | - | 4.70 | 76,953 |
| Geography of the French Empire | 0 | - | 4.45 | 27,221 |
| The French Revolution | 0 | - | 4.47 | 24,151 |
| France Multiple Choice | 0 | - | 4.39 | 40,855 |
| History of France | 0 | - | 4.61 | 57,652 |
| Famous Germans | 0 | - | 4.50 | 55,807 |
| German Groups of Things | 0 | - | 4.47 | 38,644 |
| Capitals of German States | 0 | - | 4.74 | 29,076 |
