| England or Wales? | 0 | - | 4.94 | 45,891 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,684 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,877 |
| Austria... or Australia? | 0 | - | 4.68 | 104,650 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,645 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,873 |
| Departments of France | 0 | - | 4.93 | 54,848 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,696 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,565 |
| Official European Union Languages | 0 | - | 4.97 | 239,416 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,434 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,142 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,074 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,007 |
| The Trojan War | 0 | - | 4.83 | 39,929 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,662 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,472 |
| Roman Emperors | 0 | - | 4.95 | 120,866 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,218 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,830 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,781 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,992 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,881 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,147 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,887 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,114 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,613 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,337 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,013 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,469 |
| Celtic Nations | 0 | - | 4.61 | 47,059 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,899 |
| Champions League Winners | 0 | - | 4.92 | 1,013,003 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,551 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,601 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,245 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,687 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,862 |
| Countries Bordering France | 0 | - | 4.83 | 404,333 |
| States of Germany | 0 | - | 4.95 | 153,968 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,521 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,307 |
| Regions of Italy | 0 | - | 4.92 | 76,673 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,308 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,992 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,599 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,260 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,506 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,805 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,687 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,101 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,398 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,403 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,872 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,508 |
| Germany Country Quiz | 0 | - | 4.83 | 158,558 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,891 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,170 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,999 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,010 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,869 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,556 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,315 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,576 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,579 |
| UK Immigration by Country | 0 | - | 4.94 | 141,453 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,646 |
| British Monopoly Board | 0 | - | 4.52 | 41,235 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,458 |
| Name the English Monarchs | 0 | - | 4.91 | 505,337 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,614 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,700 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,699 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,142 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,249 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,774 |
| Slavic Languages | 0 | - | 4.68 | 54,609 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,656 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,831 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,426 |
| France A-Z | 0 | - | 4.16 | 38,309 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,067 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,386 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,571 |
| French History Multiple Choice | 0 | - | 4.55 | 33,176 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,086 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,061 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,431 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,606 |
| Name that Greek Letter | 0 | - | 4.93 | 324,647 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,139 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,783 |
| Counties of Ireland | 0 | - | 4.92 | 196,819 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,703 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,158 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,018 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,045 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 44,043 |
| Geography of the Roman Empire | 0 | - | 4.56 | 52,152 |
| Roman Names for Places | 0 | - | 4.62 | 58,605 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,721 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,589 |
| Most Common First Names in Spain | 0 | - | 4.32 | 54,739 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,784 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,220 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,711 |
| Switzerland A-Z | 0 | - | 4.45 | 25,738 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,906 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,073 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,651 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,906 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,005 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 238,022 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,270 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,051 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,952 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,170 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,636 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,564 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,623 |
| History of Russia Quiz | 0 | - | 4.47 | 31,984 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,311 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,085 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,210 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,932 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,114 |
| Famous Irish People | 0 | - | 4.05 | 46,048 |
| History of Italy | 0 | - | 4.55 | 32,107 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,185 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,463 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,378 |
| Geography of Spain | 0 | - | 4.59 | 22,148 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,436 |
| British Geography A-Z | 0 | - | 4.42 | 19,590 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,708 |
| London A-Z | 0 | - | 4.10 | 40,854 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,648 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,025 |
| European Geography By Letter - C | 0 | - | 4.43 | 122,716 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,030 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,702 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,031 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,845 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,357 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,574 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,258 |
| Europe Map Quiz | 0 | - | 5.00 | 4,780,356 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,446 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,101 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,397 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,363 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,193 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,414 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,637 |
| Capitals of French Regions | 0 | - | 4.45 | 16,154 |
| Regions of France | 0 | - | 4.70 | 121,716 |
| France Immigration by Country | 0 | - | 4.70 | 76,824 |
| Kings of France Quiz | 0 | - | 4.20 | 32,875 |
| Famous Germans | 0 | - | 4.50 | 55,661 |
| German Groups of Things | 0 | - | 4.47 | 38,594 |
| Capitals of German States | 0 | - | 4.74 | 29,032 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,490 |
| Germany True or False? | 0 | - | 4.61 | 48,960 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,315 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,552 |
| Ancient Greek Words | 0 | - | 4.93 | 112,223 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,056 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,235 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,409 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,629 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,379 |
| British to American Food Translation | 0 | - | 3.38 | 52,016 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,643 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,537 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,762 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,768 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,831 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,549 |
| Famous Scottish People | 0 | - | 4.22 | 18,426 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,283 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,022 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,820 |
| Australian Capitals | 0 | - | 4.92 | 62,804 |
| European Physical Geography | 0 | - | 4.26 | 33,571 |
| Geography of Russia | 0 | - | 4.57 | 21,574 |
| History of Austria | 0 | - | 4.70 | 17,950 |
| Austria Country Quiz | 0 | - | 4.57 | 59,969 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,119 |
| France Country Quiz | 0 | - | 4.70 | 135,439 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,301 |
| Geography of the French Empire | 0 | - | 4.45 | 27,193 |
| The French Revolution | 0 | - | 4.47 | 24,108 |
| France Multiple Choice | 0 | - | 4.39 | 40,811 |
| Tour de France Winners | 0 | - | 4.27 | 15,471 |
| History of France | 0 | - | 4.61 | 57,460 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,539 |
| Greece Country Quiz | 0 | - | 4.74 | 66,530 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,340 |
| Italy Country Quiz | 0 | - | 4.77 | 123,874 |
| Italian History A-Z | 0 | - | 4.21 | 17,868 |
