| England or Wales? | 0 | - | 4.94 | 45,828 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,982 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,049 |
| Departments of France | 0 | - | 4.93 | 54,621 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,642 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,411 |
| Official European Union Languages | 0 | - | 4.97 | 239,109 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,246 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,558 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,924 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,252 |
| Austria... or Australia? | 0 | - | 4.68 | 104,569 |
| The Trojan War | 0 | - | 4.83 | 39,855 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,417 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,077 |
| Roman Emperors | 0 | - | 4.95 | 120,567 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,156 |
| 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 | 87,729 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,707 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,926 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,527 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,254 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,873 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,447 |
| Celtic Nations | 0 | - | 4.69 | 47,017 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,487 |
| Champions League Winners | 0 | - | 4.92 | 1,011,035 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,767 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,225 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,480 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,515 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,471 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,306 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,039 |
| Countries Bordering France | 0 | - | 4.83 | 403,867 |
| States of Germany | 0 | - | 4.95 | 153,585 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,370 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,943 |
| Regions of Italy | 0 | - | 4.92 | 76,424 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,518 |
| The Vikings! | 0 | - | 4.46 | 28,376 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,689 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,497 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,206 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,452 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,772 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,636 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,551 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,730 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,981 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,816 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,304 |
| Germany Country Quiz | 0 | - | 4.83 | 158,332 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,742 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,118 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,971 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,811 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,705 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,473 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,184 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,362 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,389 |
| UK Immigration by Country | 0 | - | 4.94 | 141,253 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,351 |
| British Monopoly Board | 0 | - | 4.52 | 41,209 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,165 |
| Name the English Monarchs | 0 | - | 4.91 | 504,536 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,249 |
| 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 | 141,957 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,862 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,694 |
| Slavic Languages | 0 | - | 4.68 | 54,521 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,650 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,728 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,196 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,098 |
| France A-Z | 0 | - | 4.16 | 38,285 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,998 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,315 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,442 |
| French History Multiple Choice | 0 | - | 4.55 | 33,149 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,845 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,638 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,288 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,633 |
| Name that Greek Letter | 0 | - | 4.93 | 324,350 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,008 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,741 |
| Counties of Ireland | 0 | - | 4.92 | 196,338 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,684 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,069 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,719 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,476 |
| Ancient Roman Trivia #2 | 0 | - | 4.59 | 42,178 |
| Geography of the Roman Empire | 0 | - | 4.56 | 52,064 |
| Roman Names for Places | 0 | - | 4.62 | 58,497 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,375 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,599 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,538 |
| Most Common First Names in Spain | 0 | - | 4.27 | 48,051 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,520 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,139 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,591 |
| Switzerland A-Z | 0 | - | 4.45 | 25,703 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,814 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,057 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,491 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,504 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,903 |
| 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 | 38,019 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,861 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,072 |
| 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 | 132,459 |
| History of Russia Quiz | 0 | - | 4.47 | 31,971 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,285 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,052 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,185 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,291 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,738 |
| Famous Irish People | 0 | - | 4.05 | 46,030 |
| History of Italy | 0 | - | 4.55 | 32,085 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,064 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,750 |
| 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 | 77,324 |
| Geography of Spain | 0 | - | 4.59 | 22,125 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,378 |
| British Geography A-Z | 0 | - | 4.42 | 19,576 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,697 |
| London A-Z | 0 | - | 4.10 | 40,834 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,108 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,511 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,889 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,442 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,111 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,493 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,287 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,107 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,357 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,945 |
| Europe Map Quiz | 0 | - | 5.00 | 4,774,734 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,394 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,050 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,346 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,322 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,969 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,584 |
| Capitals of French Regions | 0 | - | 4.45 | 16,127 |
| Regions of France | 0 | - | 4.70 | 121,430 |
| France Immigration by Country | 0 | - | 4.70 | 76,728 |
| Kings of France Quiz | 0 | - | 4.20 | 32,846 |
| Famous Germans | 0 | - | 4.50 | 55,578 |
| 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 | 23,422 |
| Germany True or False? | 0 | - | 4.61 | 48,921 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,201 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,533 |
| Ancient Greek Words | 0 | - | 4.93 | 112,049 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,918 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,216 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,329 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,556 |
| 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 | 103,516 |
| 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 | 28,741 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,353 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,201 |
| Famous Scottish People | 0 | - | 4.22 | 18,418 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,943 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,771 |
| Oceania Map Quiz | 0 | - | 4.98 | 655,971 |
| Australian Capitals | 0 | - | 4.92 | 62,777 |
| European Physical Geography | 0 | - | 4.26 | 33,557 |
| Geography of Russia | 0 | - | 4.57 | 21,560 |
| History of Austria | 0 | - | 4.70 | 17,927 |
| Austria Country Quiz | 0 | - | 4.57 | 59,889 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,004 |
| France Country Quiz | 0 | - | 4.70 | 135,300 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,262 |
| Geography of the French Empire | 0 | - | 4.45 | 27,170 |
| The French Revolution | 0 | - | 4.47 | 24,082 |
| 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 | 66,430 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,979 |
| Italy Country Quiz | 0 | - | 4.77 | 123,716 |
