| Sweden Immigration by Country | 0 | - | 4.53 | 56,351 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,174 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,270 |
| Departments of France | 0 | - | 4.93 | 54,972 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,721 |
| England or Wales? | 0 | - | 4.94 | 45,927 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,646 |
| Official European Union Languages | 0 | - | 4.97 | 239,614 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,545 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,536 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,039 |
| The Trojan War | 0 | - | 4.83 | 39,951 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,815 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,543 |
| Roman Emperors | 0 | - | 4.95 | 121,065 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,269 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,029 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,953 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,448 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,352 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,669 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,392 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,050 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,108 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,687 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,888 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,488 |
| Celtic Nations | 0 | - | 4.61 | 47,081 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,193 |
| Champions League Winners | 0 | - | 4.92 | 1,014,756 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,627 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,690 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,415 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,858 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,247 |
| Countries Bordering France | 0 | - | 4.83 | 404,641 |
| States of Germany | 0 | - | 4.95 | 154,260 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,622 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,605 |
| Regions of Italy | 0 | - | 4.92 | 76,918 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,736 |
| The Vikings! | 0 | - | 4.46 | 28,398 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,164 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,677 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,317 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,823 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,722 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,483 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,695 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,674 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,904 |
| Austria... or Australia? | 0 | - | 4.68 | 104,727 |
| France Cities Map Quiz | 0 | - | 4.95 | 167,680 |
| Germany Country Quiz | 0 | - | 4.82 | 158,715 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,986 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,205 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,024 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,129 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,952 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,608 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,403 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,751 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,726 |
| UK Immigration by Country | 0 | - | 4.94 | 141,584 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,837 |
| British Monopoly Board | 0 | - | 4.52 | 41,253 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,610 |
| Name the English Monarchs | 0 | - | 4.91 | 505,912 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,866 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,724 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,715 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,220 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 118,880 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,862 |
| Slavic Languages | 0 | - | 4.68 | 54,659 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,665 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,890 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,560 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,133 |
| France A-Z | 0 | - | 4.16 | 38,323 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,109 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,429 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,645 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,216 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,378 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,506 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,254 |
| Name that Greek Letter | 0 | - | 4.93 | 324,826 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,232 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,815 |
| Counties of Ireland | 0 | - | 4.92 | 197,060 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,723 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,206 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,097 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,228 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,225 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,182 |
| Roman Names for Places | 0 | - | 4.62 | 58,659 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,062 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,799 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,608 |
| Most Common First Names in Spain | 0 | - | 4.32 | 55,149 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,967 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,288 |
| Switzerland A-Z | 0 | - | 4.45 | 25,755 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,946 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,083 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,750 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,186 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,040 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 238,165 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,016 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,245 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,739 |
| History of Russia Quiz | 0 | - | 4.47 | 31,996 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,850 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,323 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,111 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,227 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,377 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,321 |
| Famous Irish People | 0 | - | 4.05 | 46,058 |
| History of Italy | 0 | - | 4.55 | 32,130 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,277 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,800 |
| Famous Nordic People | 0 | - | 4.34 | 20,283 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,839 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,473 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,408 |
| Geography of Spain | 0 | - | 4.59 | 22,165 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,466 |
| British Geography A-Z | 0 | - | 4.42 | 19,602 |
| Imagine Lyrics | 0 | - | 4.53 | 43,520 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,298 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,717 |
| London A-Z | 0 | - | 4.10 | 40,869 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,755 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,122 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,355 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,125 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,777 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,157 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,897 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,415 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,628 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,350 |
| Europe Map Quiz | 0 | - | 5.00 | 4,784,094 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,477 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,138 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,424 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,394 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,247 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,491 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,703 |
| Capitals of French Regions | 0 | - | 4.45 | 16,163 |
| Regions of France | 0 | - | 4.70 | 121,904 |
| France Immigration by Country | 0 | - | 4.70 | 76,880 |
| Kings of France Quiz | 0 | - | 4.20 | 32,902 |
| Famous Germans | 0 | - | 4.50 | 55,743 |
| German Groups of Things | 0 | - | 4.47 | 38,615 |
| Capitals of German States | 0 | - | 4.74 | 29,056 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,522 |
| Germany True or False? | 0 | - | 4.61 | 48,991 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,415 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,567 |
| Ancient Greek Words | 0 | - | 4.93 | 112,349 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,295 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,252 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,470 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,689 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,392 |
| British to American Food Translation | 0 | - | 3.38 | 52,025 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,722 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,555 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,793 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,786 |
| Beatles Lyrics First Names | 0 | - | 4.36 | 40,147 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 41,002 |
| Elton John Quiz | 0 | - | 4.49 | 18,519 |
| Famous Scottish People | 0 | - | 4.22 | 18,434 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,498 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,219 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,633 |
| Australian Capitals | 0 | - | 4.92 | 62,819 |
| European Physical Geography | 0 | - | 4.26 | 33,586 |
| Geography of Russia | 0 | - | 4.57 | 21,588 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,102 |
| History of Austria | 0 | - | 4.70 | 17,966 |
| Austria Country Quiz | 0 | - | 4.57 | 60,011 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,194 |
| France Country Quiz | 0 | - | 4.70 | 135,556 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,341 |
| Geography of the French Empire | 0 | - | 4.45 | 27,202 |
| The French Revolution | 0 | - | 4.47 | 24,130 |
| France Multiple Choice | 0 | - | 4.39 | 40,827 |
| Tour de France Winners | 0 | - | 4.27 | 15,497 |
| History of France | 0 | - | 4.61 | 57,540 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,551 |
| Greece Country Quiz | 0 | - | 4.74 | 66,594 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,612 |
