| European Countries by First 2 Letters | 0 | - | 4.95 | 532,638 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,130 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,927 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,105 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,508 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,766 |
| Official European Union Languages | 0 | - | 4.97 | 239,870 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,699 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,044 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,728 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,580 |
| Australia A-Z | 0 | - | 4.54 | 50,146 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,073 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,179 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,336 |
| 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 | 55,310 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 108,853 |
| 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 | 192,051 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,429 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,847 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,948 |
| China A-Z | 0 | - | 4.55 | 67,663 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,532 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,665 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,513 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,053 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,895 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,020 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,708 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,631 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,475 |
| Mythology A-Z | 0 | - | 4.31 | 37,408 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,970 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,532 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,854 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,826 |
| Scotland A-Z | 0 | - | 4.73 | 41,468 |
| Champions League Winners | 0 | - | 4.92 | 1,016,641 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,757 |
| Celtic Nations | 0 | - | 4.61 | 47,106 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,021 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,808 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,800 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,992 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,006 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,937 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,014 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,812 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,945 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,021 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,619 |
| Departments of France | 0 | - | 4.93 | 55,228 |
| States of Germany | 0 | - | 4.95 | 154,627 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,724 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,980 |
| Regions of Italy | 0 | - | 4.92 | 77,134 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,753 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,825 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,400 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,790 |
| Lord of the Rings Decoder | 0 | - | 4.61 | 42,795 |
| Lord of the Rings Characters | 0 | - | 4.54 | 113,671 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,843 |
| England or Wales? | 0 | - | 4.94 | 45,984 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,239 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,150 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,030 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,438 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,833 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,122 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,379 |
| Name a Valid African Country | 0 | - | 4.98 | 155,096 |
| Political Figures by Last Name #1 | 0 | - | 4.56 | 68,761 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,439,376 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,477 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,765 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,291 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,977 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,339 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,229 |
| Name that Greek Letter | 0 | - | 4.93 | 325,072 |
| Italian Foods | 0 | - | 4.30 | 73,301 |
| Countries Italy Declared War On | 0 | - | 4.70 | 45,801 |
| Prime Ministers of the UK | 0 | - | 4.95 | 442,552 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,975 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,060 |
| #1 Hits of the 1980s | 0 | - | 4.87 | 149,509 |
| Biblical Names Still Popular Today | 0 | - | 4.28 | 51,617 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 62,045 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,727 |
| California A-Z | 0 | - | 4.49 | 28,848 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,378 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,619 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,032 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,755 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,723 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,360 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 122,668 |
| Slavic Languages | 0 | - | 4.67 | 54,714 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,646 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,353 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,164 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 72,042 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,369 |
| 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 | 55,212 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,612 |
| Roman Emperors | 0 | - | 4.95 | 121,274 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,249 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,906 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,634 |
| Spain A-Z | 0 | - | 4.23 | 28,558 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 54,009 |
| Geography of Spain | 0 | - | 4.59 | 22,190 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,370 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 81,010 |
| Middle Earth Geography | 0 | - | 4.56 | 39,964 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,809 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,974 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,107 |
| Imagine Lyrics | 0 | - | 4.53 | 43,545 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,349 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,108 |
| 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 | 56,501 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,532 |
| Countries that Beat China | 0 | - | 4.85 | 116,787 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,605 |
| Hindu Countries | 0 | - | 4.87 | 50,600 |
| Superhero Nicknames | 0 | - | 4.21 | 61,847 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 492,141 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 716,126 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,628 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 130,710 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,660 |
| Flags of the Countries that Start with B | 0 | - | 4.97 | 43,606 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,933 |
| Friends A-Z | 0 | - | 4.47 | 40,657 |
| 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 | 132,885 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,399 |
| History of Russia Quiz | 0 | - | 4.47 | 32,009 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,881 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,911 |
| Ancient Greek Words | 0 | - | 4.93 | 112,527 |
| History of Italy | 0 | - | 4.55 | 32,159 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,408 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,830 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,433 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 41,056 |
| Countries that Beat Egypt | 0 | - | 4.91 | 67,111 |
| New York City A-Z | 0 | - | 4.18 | 32,388 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,556,445 |
| Colleges by U.S. State - Multiple Choice | 0 | - | 4.57 | 23,142 |
| 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 | 148,272 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,670 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,126 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,215 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,196 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,668 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,224 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,839 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,124 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,712 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,579 |
| European Physical Geography | 0 | - | 4.26 | 33,601 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,536 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,199 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,473 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,438 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,518 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,560 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,753 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,488 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,556 |
| Geography of Russia | 0 | - | 4.57 | 21,606 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,605 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,173 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,137 |
| History of Austria | 0 | - | 4.70 | 17,978 |
| Capitals of French Regions | 0 | - | 4.45 | 16,185 |
| Regions of France | 0 | - | 4.70 | 122,168 |
| France Immigration by Country | 0 | - | 4.70 | 76,955 |
| Geography of the French Empire | 0 | - | 4.45 | 27,221 |
| The French Revolution | 0 | - | 4.47 | 24,151 |
| France Multiple Choice | 0 | - | 4.39 | 40,856 |
| History of France | 0 | - | 4.61 | 57,654 |
| Famous Germans | 0 | - | 4.50 | 55,808 |
| German Groups of Things | 0 | - | 4.47 | 38,645 |
| Capitals of German States | 0 | - | 4.74 | 29,076 |
