| England or Wales? | 0 | - | 4.94 | 45,829 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,995 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,064 |
| Departments of France | 0 | - | 4.93 | 54,632 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,642 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,413 |
| Official European Union Languages | 0 | - | 4.97 | 239,121 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,247 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,571 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,931 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,253 |
| Austria... or Australia? | 0 | - | 4.68 | 104,570 |
| The Trojan War | 0 | - | 4.83 | 39,857 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,420 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,103 |
| Roman Emperors | 0 | - | 4.95 | 120,577 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,157 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,797 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,941 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,731 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,713 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,955 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,531 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,254 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,905 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,448 |
| Celtic Nations | 0 | - | 4.69 | 47,020 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,497 |
| Champions League Winners | 0 | - | 4.92 | 1,011,083 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,768 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,231 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,482 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,524 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,475 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,312 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,040 |
| Countries Bordering France | 0 | - | 4.83 | 403,879 |
| States of Germany | 0 | - | 4.95 | 153,596 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,370 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,948 |
| Regions of Italy | 0 | - | 4.92 | 76,428 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,521 |
| The Vikings! | 0 | - | 4.46 | 28,377 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,692 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,497 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,207 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,452 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,774 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,637 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,557 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,741 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,994 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,816 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,306 |
| Germany Country Quiz | 0 | - | 4.83 | 158,336 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,746 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,120 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,973 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,813 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,706 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,475 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,187 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,373 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,391 |
| UK Immigration by Country | 0 | - | 4.94 | 141,256 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,356 |
| British Monopoly Board | 0 | - | 4.52 | 41,210 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,170 |
| Name the English Monarchs | 0 | - | 4.91 | 504,549 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,257 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,668 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,680 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,963 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,876 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,694 |
| Slavic Languages | 0 | - | 4.68 | 54,523 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,651 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,732 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,200 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,099 |
| France A-Z | 0 | - | 4.16 | 38,285 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,002 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,315 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,447 |
| French History Multiple Choice | 0 | - | 4.55 | 33,150 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,847 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,653 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,292 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,648 |
| Name that Greek Letter | 0 | - | 4.93 | 324,354 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,010 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,743 |
| Counties of Ireland | 0 | - | 4.92 | 196,341 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,684 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,073 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,720 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,477 |
| Ancient Roman Trivia #2 | 0 | - | 4.59 | 42,300 |
| Geography of the Roman Empire | 0 | - | 4.56 | 52,067 |
| Roman Names for Places | 0 | - | 4.62 | 58,503 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,378 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,600 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,538 |
| Most Common First Names in Spain | 0 | - | 4.27 | 48,464 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,525 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,141 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,593 |
| Switzerland A-Z | 0 | - | 4.45 | 25,703 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,818 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,057 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,494 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,511 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,905 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,843 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,235 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,020 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,862 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,074 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,761 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,487 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,463 |
| History of Russia Quiz | 0 | - | 4.47 | 31,971 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,286 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,052 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,187 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,302 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,743 |
| Famous Irish People | 0 | - | 4.05 | 46,030 |
| History of Italy | 0 | - | 4.55 | 32,086 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,066 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,751 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,813 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,446 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,325 |
| Geography of Spain | 0 | - | 4.59 | 22,125 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,379 |
| British Geography A-Z | 0 | - | 4.42 | 19,576 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,697 |
| London A-Z | 0 | - | 4.10 | 40,835 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,111 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,513 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,893 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,444 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,113 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,497 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,291 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,109 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,358 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,947 |
| Europe Map Quiz | 0 | - | 5.00 | 4,774,800 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,396 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,051 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,347 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,322 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,970 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,585 |
| Capitals of French Regions | 0 | - | 4.45 | 16,127 |
| Regions of France | 0 | - | 4.70 | 121,435 |
| France Immigration by Country | 0 | - | 4.70 | 76,730 |
| Kings of France Quiz | 0 | - | 4.20 | 32,846 |
| Famous Germans | 0 | - | 4.50 | 55,581 |
| German Groups of Things | 0 | - | 4.46 | 38,556 |
| Capitals of German States | 0 | - | 4.74 | 29,006 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,423 |
| Germany True or False? | 0 | - | 4.61 | 48,921 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,204 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,535 |
| Ancient Greek Words | 0 | - | 4.93 | 112,055 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,919 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,217 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,330 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,567 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,365 |
| British to American Food Translation | 0 | - | 3.38 | 51,999 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,519 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,502 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,716 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,742 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,363 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,205 |
| Famous Scottish People | 0 | - | 4.22 | 18,418 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,947 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,778 |
| Oceania Map Quiz | 0 | - | 4.98 | 656,049 |
| Australian Capitals | 0 | - | 4.92 | 62,778 |
| European Physical Geography | 0 | - | 4.26 | 33,558 |
| Geography of Russia | 0 | - | 4.57 | 21,560 |
| History of Austria | 0 | - | 4.70 | 17,928 |
| Austria Country Quiz | 0 | - | 4.57 | 59,890 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,006 |
| France Country Quiz | 0 | - | 4.70 | 135,301 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,262 |
| Geography of the French Empire | 0 | - | 4.45 | 27,172 |
| The French Revolution | 0 | - | 4.47 | 24,083 |
| France Multiple Choice | 0 | - | 4.39 | 40,784 |
| Tour de France Winners | 0 | - | 4.27 | 15,442 |
| History of France | 0 | - | 4.61 | 57,355 |
| Greece Country Quiz | 0 | - | 4.74 | 66,433 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,986 |
| Italy Country Quiz | 0 | - | 4.77 | 123,717 |