| Catholic Countries in Europe | 0 | - | 4.83 | 95,606 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,145 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,304 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,847 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,694 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,305 |
| Orthodox Countries | 0 | - | 4.92 | 132,582 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,121 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,418 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,889 |
| Departments of France | 0 | - | 4.93 | 54,851 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,699 |
| England or Wales? | 0 | - | 4.94 | 45,891 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,944 |
| Catholic Countries | 0 | - | 4.79 | 215,421 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,007 |
| Name the English Monarchs | 0 | - | 4.91 | 505,357 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,569 |
| Official European Union Languages | 0 | - | 4.97 | 239,423 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,437 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,159 |
| The Trojan War | 0 | - | 4.83 | 39,930 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,665 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,557 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,476 |
| Roman Emperors | 0 | - | 4.95 | 120,875 |
| British Monopoly Board | 0 | - | 4.52 | 41,235 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,218 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,993 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,040 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 47,085 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,469 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,885 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,158 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,908 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,086 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,615 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,338 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,379 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,909 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,437 |
| British Geography A-Z | 0 | - | 4.42 | 19,590 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,768 |
| Champions League Winners | 0 | - | 4.92 | 1,013,058 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,898 |
| Celtic Nations | 0 | - | 4.61 | 47,061 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,554 |
| Monarchies of Europe | 0 | - | 4.90 | 98,637 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,259 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,696 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,899 |
| Countries Bordering France | 0 | - | 4.83 | 404,340 |
| Kings of France Quiz | 0 | - | 4.20 | 32,875 |
| States of Germany | 0 | - | 4.95 | 153,977 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,524 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,318 |
| Regions of Italy | 0 | - | 4.92 | 76,675 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,646 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,310 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,993 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,602 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,262 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,805 |
| Monarchies of Asia | 0 | - | 4.97 | 71,381 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,183 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 101,137 |
| Biblical Geography | 0 | - | 4.40 | 67,303 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,891 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,612 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,046 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,566 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,601 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,550 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,690 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,309 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,241 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,776 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,120 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,425 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,790 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,872 |
| Austria... or Australia? | 0 | - | 4.68 | 104,651 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,832 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,509 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,068 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,386 |
| Germany Country Quiz | 0 | - | 4.83 | 158,560 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,893 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,073 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,172 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,001 |
| Counties of Ireland | 0 | - | 4.92 | 196,825 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,011 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,870 |
| Italian History A-Z | 0 | - | 4.16 | 17,876 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,160 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,047 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,318 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,580 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,580 |
| Spanish History A-Z | 0 | - | 4.37 | 19,463 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,790 |
| British Acronyms | 0 | - | 4.40 | 45,899 |
| UK Immigration by Country | 0 | - | 4.94 | 141,456 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,654 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,460 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,652 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,911 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,953 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,177 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,622 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,624 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,535 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,762 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,442 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,668 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,051 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,933 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,704 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,699 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,147 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,257 |
| Slavic Languages | 0 | - | 4.68 | 54,609 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,656 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,428 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,114 |
| France A-Z | 0 | - | 4.16 | 38,309 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,572 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,089 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,431 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,663 |
| Name that Greek Letter | 0 | - | 4.93 | 324,653 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,141 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,785 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,704 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,022 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 44,050 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,153 |
| Roman Names for Places | 0 | - | 4.62 | 58,607 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,722 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,589 |
| Most Common First Names in Spain | 0 | - | 4.32 | 54,767 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,224 |
| Switzerland A-Z | 0 | - | 4.45 | 25,739 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,908 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,074 |
| Middle Earth Geography | 0 | - | 4.56 | 39,924 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,699 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,933 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,008 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,025 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,906 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,873 |
| Hindu Countries | 0 | - | 4.87 | 50,459 |
| The Bible by Picture | 0 | - | 4.23 | 20,200 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,343 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,481 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,543 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,684 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,303 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,133 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,627 |
| History of Russia Quiz | 0 | - | 4.47 | 31,985 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,831 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,311 |
| French History A-Z | 0 | - | 4.27 | 25,025 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,211 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,947 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,552 |
| Ancient Greek Words | 0 | - | 4.93 | 112,233 |
| Famous Irish People | 0 | - | 4.05 | 46,050 |
| History of Italy | 0 | - | 4.55 | 32,107 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,188 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,235 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,781 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,463 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,378 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,616 |
| Geography of Spain | 0 | - | 4.59 | 22,149 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,430 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,846 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,556 |
| English Royal Consorts | 0 | - | 4.38 | 37,482 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,709 |
| London A-Z | 0 | - | 4.10 | 40,855 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,660 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,076 |
| Israel Immigration by Country | 0 | - | 4.29 | 36,292 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,403 |
| The Life of King David | 0 | - | 4.37 | 14,139 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,651 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,031 |
| European Geography By Letter - C | 0 | - | 4.43 | 122,761 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,036 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,708 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,035 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,848 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,360 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,575 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,260 |
