| Catholic Countries in Europe | 0 | - | 4.83 | 95,808 |
| The Trojan War | 0 | - | 4.83 | 40,006 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,021 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,763 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,194 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,662 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,594 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,483 |
| Orthodox Countries | 0 | - | 4.92 | 132,853 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,942 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,002 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,022 |
| Departments of France | 0 | - | 4.93 | 55,231 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,753 |
| Name the English Monarchs | 0 | - | 4.91 | 506,816 |
| England or Wales? | 0 | - | 4.94 | 45,984 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,123 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,773 |
| Official European Union Languages | 0 | - | 4.97 | 239,874 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,706 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,050 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,105 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,248 |
| Name that Greek Letter | 0 | - | 4.93 | 325,078 |
| Countries Italy Declared War On | 0 | - | 4.70 | 45,967 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,616 |
| Roman Emperors | 0 | - | 4.95 | 121,280 |
| British Monopoly Board | 0 | - | 4.52 | 41,276 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,337 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,347 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,065 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 47,347 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,058 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,898 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,033 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,709 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,475 |
| Ancient Greek Words | 0 | - | 4.93 | 112,531 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,967 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,513 |
| Celtic Nations | 0 | - | 4.61 | 47,106 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,166 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,245 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,415 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,560 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,508 |
| British Geography A-Z | 0 | - | 4.42 | 19,616 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,826 |
| Champions League Winners | 0 | - | 4.92 | 1,016,682 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,979 |
| Catholic Countries | 0 | - | 4.80 | 215,672 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,025 |
| Monarchies of Europe | 0 | - | 4.90 | 98,920 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,945 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,024 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,628 |
| Countries Bordering France | 0 | - | 4.83 | 405,034 |
| Kings of France Quiz | 0 | - | 4.21 | 32,937 |
| States of Germany | 0 | - | 4.95 | 154,642 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,729 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,969 |
| Greece Country Quiz | 0 | - | 4.74 | 66,660 |
| Regions of Italy | 0 | - | 4.92 | 77,138 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,826 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,398 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,407 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,794 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,391 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,843 |
| Monarchies of Asia | 0 | - | 4.97 | 71,531 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,311 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 101,259 |
| Biblical Geography | 0 | - | 4.40 | 67,356 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,878 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,122 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,955 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,848 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,766 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,807 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,013 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,953 |
| Austria... or Australia? | 0 | - | 4.67 | 104,782 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,859 |
| Germany Country Quiz | 0 | - | 4.82 | 158,900 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,119 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,249 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,053 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,282 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,087 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,530 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,922 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,986 |
| British Acronyms | 0 | - | 4.40 | 45,949 |
| UK Immigration by Country | 0 | - | 4.94 | 141,767 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,091 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,847 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,247 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,777 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,450 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,412 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,781 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,383 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,480 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,391 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,835 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,755 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,724 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,362 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,300 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 122,707 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,980 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,344 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,139 |
| Slavic Languages | 0 | - | 4.67 | 54,714 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,673 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,967 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,834 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,149 |
| France A-Z | 0 | - | 4.16 | 38,346 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,166 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,506 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,729 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,373 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,783 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,520 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,418 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,858 |
| Counties of Ireland | 0 | - | 4.92 | 197,407 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,747 |
| Italian History A-Z | 0 | - | 4.16 | 17,942 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,280 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,214 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,453 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,324 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,221 |
| Roman Names for Places | 0 | - | 4.62 | 58,728 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,908 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,638 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,311 |
| Spanish History A-Z | 0 | - | 4.37 | 19,515 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,195 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,372 |
| Switzerland A-Z | 0 | - | 4.45 | 25,774 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,990 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,093 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,898 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,474 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,107 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,449 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,980 |
| Houses of British Monarchs | 0 | - | 4.54 | 65,976 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,089 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,329 |
| Hindu Countries | 0 | - | 4.87 | 50,604 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,062 |
| The Bible by Picture | 0 | - | 4.23 | 20,226 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,911 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,565 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,233 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,889 |
| History of Russia Quiz | 0 | - | 4.47 | 32,009 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,882 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,353 |
| French History A-Z | 0 | - | 4.27 | 25,157 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,926 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,796 |
| Famous Irish People | 0 | - | 4.05 | 46,071 |
| History of Italy | 0 | - | 4.55 | 32,160 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,410 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,830 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,487 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,434 |
| Geography of Spain | 0 | - | 4.59 | 22,190 |
| Middle Earth Geography | 0 | - | 4.56 | 39,968 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,811 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,974 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,730 |
| London A-Z | 0 | - | 4.10 | 40,882 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,796 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,226 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,607 |
| The Life of King David | 0 | - | 4.37 | 14,148 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,431 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,565 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,752 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,178 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,278 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,674 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,134 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,245 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,197 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,672 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,225 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,842 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,126 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,716 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,673 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,538 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,201 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,473 |
