| European Countries by First 2 Letters | 0 | - | 4.95 | 532,688 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,863 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,986 |
| Departments of France | 0 | - | 4.93 | 55,242 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,287 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,103 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,753 |
| England or Wales? | 0 | - | 4.94 | 45,987 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,106 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,288 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,475 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,782 |
| Official European Union Languages | 0 | - | 4.97 | 239,889 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,712 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,084 |
| The Trojan War | 0 | - | 4.83 | 40,014 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,036 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,224 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,624 |
| Roman Emperors | 0 | - | 4.95 | 121,291 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,340 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,970 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,067 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,110 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,457 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,356 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,020 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,514 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,064 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,909 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,076 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,711 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,478 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,577 |
| Champions League Winners | 0 | - | 4.92 | 1,016,775 |
| Celtic Nations | 0 | - | 4.61 | 47,107 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,037 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,820 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,958 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,034 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,651 |
| Countries Bordering France | 0 | - | 4.83 | 405,066 |
| States of Germany | 0 | - | 4.95 | 154,673 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,734 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,982 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,980 |
| Regions of Italy | 0 | - | 4.92 | 77,151 |
| Italy Country Quiz | 0 | - | 4.77 | 124,105 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,837 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,405 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,418 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,811 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,391 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,845 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,771 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,987 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,027 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,024 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,037 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,956 |
| Austria... or Australia? | 0 | - | 4.67 | 104,785 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,974 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,870 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,178 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,512 |
| Germany Country Quiz | 0 | - | 4.82 | 158,913 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,129 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,811 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,250 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,054 |
| Counties of Ireland | 0 | - | 4.92 | 197,418 |
| Countries Italy Declared War On | 0 | - | 4.70 | 46,346 |
| Byzantine History | 0 | - | 4.91 | 29,030 |
| Byzantine Emperors | 0 | - | 4.93 | 14,619 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,714 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,540 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,938 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,996 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,215 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,439 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,919 |
| UK Immigration by Country | 0 | - | 4.94 | 141,784 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,111 |
| British Monopoly Board | 0 | - | 4.52 | 41,277 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,869 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,910 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,488 |
| Beatles Lyrics First Names | 0 | - | 4.36 | 40,217 |
| Viva la Vida Lyrics | 0 | - | 4.38 | 50,146 |
| Elton John Quiz | 0 | - | 4.49 | 18,527 |
| Name the English Monarchs | 0 | - | 4.91 | 506,873 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,092 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,338 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,262 |
| 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 | 142,371 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 122,823 |
| Slavic Languages | 0 | - | 4.67 | 54,717 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,673 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,848 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,150 |
| France A-Z | 0 | - | 4.16 | 38,347 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,738 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,388 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,590 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,301 |
| Name that Greek Letter | 0 | - | 4.93 | 325,087 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,354 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,863 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,748 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,331 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,224 |
| Roman Names for Places | 0 | - | 4.62 | 58,737 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,914 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,640 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,320 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,378 |
| Switzerland A-Z | 0 | - | 4.45 | 25,776 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,992 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,093 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,074 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,468 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,896 |
| History of Russia Quiz | 0 | - | 4.47 | 32,009 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,882 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,354 |
| Kings of France Quiz | 0 | - | 4.21 | 32,938 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,173 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,245 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,589 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,798 |
| Ancient Greek Words | 0 | - | 4.93 | 112,552 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,662 |
| Famous Irish People | 0 | - | 4.05 | 46,072 |
| History of Italy | 0 | - | 4.55 | 32,160 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,430 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,377 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,270 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,830 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,488 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,437 |
| Geography of Spain | 0 | - | 4.59 | 22,190 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,508 |
| UK General Knowledge Multiple Choice #3 | 0 | - | 4.53 | 18,169 |
| British Geography A-Z | 0 | - | 4.42 | 19,616 |
| The Beatles Members | 0 | - | 4.23 | 24,055 |
| Imagine Lyrics | 0 | - | 4.53 | 43,547 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 41,059 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,731 |
| London A-Z | 0 | - | 4.10 | 40,885 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,281 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,680 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,144 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,340 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,205 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,691 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,235 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,851 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,133 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,724 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,990 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,539 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,205 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,476 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,439 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,528 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,564 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,756 |
| Capitals of French Regions | 0 | - | 4.45 | 16,186 |
| Regions of France | 0 | - | 4.70 | 122,206 |
| France Immigration by Country | 0 | - | 4.70 | 76,962 |
| Famous Germans | 0 | - | 4.50 | 55,814 |
| German Groups of Things | 0 | - | 4.47 | 38,645 |
| Capitals of German States | 0 | - | 4.74 | 29,077 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,556 |
| Germany True or False? | 0 | - | 4.61 | 49,034 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,528 |
| Roman to Greek God | 0 | - | 4.52 | 123,376 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,450 |
| Italy True or False? | 0 | - | 4.42 | 47,624 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,913 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,002 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,539 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,822 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,416 |
| British to American Food Translation | 0 | - | 3.38 | 52,055 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,865 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,579 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,826 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,826 |
| Famous Scottish People | 0 | - | 4.22 | 18,442 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,816 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,486 |
| Michael Jackson Complete Song Discography | 0 | - | 4.56 | 5,776 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,762 |
| Australian Capitals | 0 | - | 4.92 | 62,841 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,198 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,338 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,598 |
