| Catholic Countries in Europe | 0 | - | 4.83 | 95,522 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,014 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,152 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,741 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,327 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,197 |
| Orthodox Countries | 0 | - | 4.92 | 132,459 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,776 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,148 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,425 |
| Departments of France | 0 | - | 4.93 | 54,719 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,666 |
| England or Wales? | 0 | - | 4.94 | 45,852 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,879 |
| Catholic Countries | 0 | - | 4.79 | 215,334 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,976 |
| Name the English Monarchs | 0 | - | 4.91 | 504,872 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,480 |
| Official European Union Languages | 0 | - | 4.97 | 239,251 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,317 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,833 |
| The Trojan War | 0 | - | 4.83 | 39,897 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,524 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,514 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,369 |
| Roman Emperors | 0 | - | 4.95 | 120,698 |
| British Monopoly Board | 0 | - | 4.52 | 41,224 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,180 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,968 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,376 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 46,954 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,458 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,806 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,858 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 174,340 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,065 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,559 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,284 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,371 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,656 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,399 |
| British Geography A-Z | 0 | - | 4.42 | 19,580 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,751 |
| Champions League Winners | 0 | - | 4.92 | 1,011,878 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,859 |
| Celtic Nations | 0 | - | 4.69 | 47,042 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,276 |
| Monarchies of Europe | 0 | - | 4.90 | 98,511 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,717 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,556 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,481 |
| Countries Bordering France | 0 | - | 4.83 | 404,055 |
| Kings of France Quiz | 0 | - | 4.20 | 32,860 |
| States of Germany | 0 | - | 4.95 | 153,747 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,431 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,109 |
| Regions of Italy | 0 | - | 4.92 | 76,517 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,566 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,280 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,808 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,525 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,229 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,783 |
| Monarchies of Asia | 0 | - | 4.97 | 71,335 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,120 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 101,106 |
| Biblical Geography | 0 | - | 4.40 | 67,278 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,752 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,540 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,000 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,448 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,513 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,443 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,658 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,209 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,091 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,720 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,055 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,919 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,650 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,840 |
| Austria... or Australia? | 0 | - | 4.68 | 104,604 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,771 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,391 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,030 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,348 |
| Germany Country Quiz | 0 | - | 4.83 | 158,457 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,806 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,813 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,145 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,984 |
| Counties of Ireland | 0 | - | 4.92 | 196,489 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,886 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,768 |
| Italian History A-Z | 0 | - | 4.21 | 17,753 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,114 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,597 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,247 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,457 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,464 |
| Spanish History A-Z | 0 | - | 4.37 | 19,340 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,614 |
| British Acronyms | 0 | - | 4.40 | 45,884 |
| UK Immigration by Country | 0 | - | 4.94 | 141,337 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,481 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,276 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,556 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,680 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,901 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,106 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,393 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,580 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,211 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,601 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,318 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,582 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,959 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,816 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,680 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,691 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,042 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,028 |
| Slavic Languages | 0 | - | 4.68 | 54,556 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,654 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,293 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,103 |
| France A-Z | 0 | - | 4.16 | 38,295 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,500 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,950 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,356 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,075 |
| Name that Greek Letter | 0 | - | 4.93 | 324,470 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,066 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,765 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,694 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,889 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 43,646 |
| Geography of the Roman Empire | 0 | - | 4.56 | 52,110 |
| Roman Names for Places | 0 | - | 4.62 | 58,554 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,656 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,567 |
| Most Common First Names in Spain | 0 | - | 4.31 | 52,842 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,178 |
| Switzerland A-Z | 0 | - | 4.45 | 25,722 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,866 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,062 |
| Middle Earth Geography | 0 | - | 4.56 | 39,898 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,648 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,918 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,946 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 237,918 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,876 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,844 |
| Hindu Countries | 0 | - | 4.87 | 50,397 |
| The Bible by Picture | 0 | - | 4.23 | 20,191 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,306 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,452 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,473 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,462 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,131 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,074 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,531 |
| History of Russia Quiz | 0 | - | 4.47 | 31,976 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,817 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,301 |
| French History A-Z | 0 | - | 4.27 | 24,829 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,200 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,560 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,543 |
| Ancient Greek Words | 0 | - | 4.93 | 112,127 |
| Famous Irish People | 0 | - | 4.05 | 46,041 |
| History of Italy | 0 | - | 4.55 | 32,095 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,120 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,222 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,761 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,454 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,355 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,532 |
| Geography of Spain | 0 | - | 4.59 | 22,137 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,292 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,561 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,349 |
| English Royal Consorts | 0 | - | 4.38 | 37,459 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,704 |
| London A-Z | 0 | - | 4.10 | 40,841 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,581 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,003 |
| Israel Immigration by Country | 0 | - | 4.29 | 36,255 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,327 |
| The Life of King David | 0 | - | 4.37 | 14,137 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,005 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,166 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,572 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,952 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,493 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,169 |
| European Geography By Letter - M | 0 | - | 4.69 | 131,600 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,563 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,145 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,392 |
