| England or Wales? | 0 | - | 4.94 | 45,794 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,564 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,704 |
| Austria... or Australia? | 0 | - | 4.68 | 104,502 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,421 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,569 |
| Departments of France | 0 | - | 4.93 | 54,457 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,614 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,322 |
| Official European Union Languages | 0 | - | 4.97 | 238,916 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,129 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,026 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,018 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,851 |
| The Trojan War | 0 | - | 4.83 | 39,797 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,239 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,649 |
| Roman Emperors | 0 | - | 4.95 | 120,388 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,109 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,774 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,719 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,915 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,535 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,219 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,986 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,089 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,472 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,194 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,162 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,429 |
| Celtic Nations | 0 | - | 4.69 | 46,996 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,154 |
| Champions League Winners | 0 | - | 4.92 | 1,009,836 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,387 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 86,340 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,299 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,997 |
| Countries Bordering France | 0 | - | 4.83 | 403,543 |
| States of Germany | 0 | - | 4.95 | 153,181 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,282 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,674 |
| Regions of Italy | 0 | - | 4.92 | 76,232 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,210 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,403 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,414 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,154 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,426 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,754 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,577 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,909 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,365 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,625 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,775 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,149 |
| Germany Country Quiz | 0 | - | 4.83 | 158,173 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,626 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,073 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,947 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,657 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,516 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,416 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,117 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,208 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,260 |
| UK Immigration by Country | 0 | - | 4.94 | 141,157 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,167 |
| British Monopoly Board | 0 | - | 4.52 | 41,194 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,977 |
| Name the English Monarchs | 0 | - | 4.91 | 503,928 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,990 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,646 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,674 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,871 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,595 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,631 |
| Slavic Languages | 0 | - | 4.67 | 54,466 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,645 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,660 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,077 |
| France A-Z | 0 | - | 4.16 | 38,264 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,964 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,283 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,358 |
| French History Multiple Choice | 0 | - | 4.55 | 33,125 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,731 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,356 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,198 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,863 |
| Name that Greek Letter | 0 | - | 4.93 | 324,161 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,891 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,709 |
| Counties of Ireland | 0 | - | 4.92 | 196,051 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,664 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,020 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,649 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,349 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,790 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,992 |
| Roman Names for Places | 0 | - | 4.62 | 58,396 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,294 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,512 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,515 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,652 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,356 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,061 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 42,061 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,505 |
| Switzerland A-Z | 0 | - | 4.45 | 25,687 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,761 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,042 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,373 |
| UK General Knowledge Multiple Choice #1 | 0 | - | 4.24 | 20,816 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,262 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,873 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,681 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,205 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,000 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,797 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,002 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,598 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,425 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,347 |
| History of Russia Quiz | 0 | - | 4.47 | 31,949 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,259 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,023 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,176 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,873 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,504 |
| Famous Irish People | 0 | - | 4.05 | 46,022 |
| History of Italy | 0 | - | 4.55 | 32,053 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,954 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,435 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,295 |
| Geography of Spain | 0 | - | 4.59 | 22,105 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,348 |
| British Geography A-Z | 0 | - | 4.42 | 19,559 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,691 |
| London A-Z | 0 | - | 4.10 | 40,815 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,594 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,936 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 120,337 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,727 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,285 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,962 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,286 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,910 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,183 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,989 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,265 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,810 |
| Europe Map Quiz | 0 | - | 5.00 | 4,770,993 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,354 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,009 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,299 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,292 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,868 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,545 |
| Capitals of French Regions | 0 | - | 4.45 | 16,108 |
| Regions of France | 0 | - | 4.72 | 121,229 |
| France Immigration by Country | 0 | - | 4.70 | 76,682 |
| Kings of France Quiz | 0 | - | 4.20 | 32,816 |
| Famous Germans | 0 | - | 4.50 | 55,528 |
| German Groups of Things | 0 | - | 4.46 | 38,524 |
| Capitals of German States | 0 | - | 4.74 | 28,990 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,401 |
| Germany True or False? | 0 | - | 4.61 | 48,892 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,139 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,520 |
| Ancient Greek Words | 0 | - | 4.93 | 111,905 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,791 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,203 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,276 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,497 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,339 |
| British to American Food Translation | 0 | - | 3.38 | 51,982 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,440 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,490 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,692 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,718 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,008 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,081 |
| Famous Scottish People | 0 | - | 4.22 | 18,412 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,691 |
| Africa Map Quiz | 0 | - | 5.00 | 2,121,707 |
| Oceania Map Quiz | 0 | - | 4.98 | 651,133 |
| Australian Capitals | 0 | - | 4.92 | 62,754 |
| European Physical Geography | 0 | - | 4.26 | 33,541 |
| Geography of Russia | 0 | - | 4.57 | 21,555 |
| History of Austria | 0 | - | 4.70 | 17,903 |
| Austria Country Quiz | 0 | - | 4.57 | 59,838 |
| Belgium Country Quiz | 0 | - | 4.72 | 71,935 |
| France Country Quiz | 0 | - | 4.70 | 135,181 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,234 |
| Geography of the French Empire | 0 | - | 4.45 | 27,155 |
| The French Revolution | 0 | - | 4.47 | 24,064 |
| France Multiple Choice | 0 | - | 4.39 | 40,773 |
| Tour de France Winners | 0 | - | 4.27 | 15,414 |
| History of France | 0 | - | 4.59 | 57,270 |
| Greece Country Quiz | 0 | - | 4.74 | 66,364 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,708 |
