| Germany Multiple Choice | 0 | - | 4.84 | 54,199 |
| England or Wales? | 0 | - | 4.94 | 45,494 |
| Germany True or False? | 0 | - | 4.61 | 48,664 |
| Australia True or False | 0 | - | 4.87 | 56,678 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,757 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,836 |
| States of Germany | 0 | - | 4.96 | 151,107 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,533 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,065 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,507 |
| Departments of France | 0 | - | 4.93 | 53,323 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,443 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,857 |
| Official European Union Languages | 0 | - | 4.97 | 237,678 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,327 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,582 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,637 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,766 |
| The Trojan War | 0 | - | 4.83 | 39,571 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,185 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,289 |
| Roman Emperors | 0 | - | 4.95 | 119,255 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,749 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,643 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,450 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,669 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,108 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,363 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,513 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,581 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,316 |
| Celtic Nations | 0 | - | 4.69 | 46,873 |
| Famous Germans | 0 | - | 4.50 | 54,844 |
| German Groups of Things | 0 | - | 4.46 | 38,382 |
| Capitals of German States | 0 | - | 4.74 | 28,895 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,205 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,308 |
| Champions League Winners | 0 | - | 4.92 | 1,000,831 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,309 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,623 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,605 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,699 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,353 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,337 |
| France Multiple Choice | 0 | - | 4.38 | 40,683 |
| Countries Bordering France | 0 | - | 4.83 | 401,151 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,423 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,023 |
| Regions of Italy | 0 | - | 4.92 | 75,224 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 48,704 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,888 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,193 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,753 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,450 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,621 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,296 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,818 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,749 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,107 |
| Austria... or Australia? | 0 | - | 4.68 | 104,112 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,773 |
| Germany Country Quiz | 0 | - | 4.82 | 157,202 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,568 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,871 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,843 |
| Italy Country Quiz | 0 | - | 4.82 | 122,697 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,844 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,472 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,156 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,438 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,048 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,443 |
| UK Immigration by Country | 0 | - | 4.94 | 140,372 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,982 |
| British Monopoly Board | 0 | - | 4.52 | 41,099 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,876 |
| Name the English Monarchs | 0 | - | 4.92 | 500,146 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,277 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,510 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,627 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,304 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,873 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,139 |
| Slavic Languages | 0 | - | 4.68 | 54,153 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,537 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,589 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,034 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,198 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,001 |
| France A-Z | 0 | - | 4.16 | 38,115 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,702 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,978 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,884 |
| French History Multiple Choice | 0 | - | 4.55 | 32,951 |
| Geography of Germany | 0 | - | 4.35 | 17,138 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,827 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,435 |
| History of Germany | 0 | - | 4.39 | 52,726 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,680 |
| Name that Greek Letter | 0 | - | 4.93 | 322,576 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,262 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,541 |
| Counties of Ireland | 0 | - | 4.92 | 194,056 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,525 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,639 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,131 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,918 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,631 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,791 |
| Roman Names for Places | 0 | - | 4.62 | 58,062 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 60,702 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,954 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,358 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,540 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,242 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,666 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,353 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,860 |
| Switzerland A-Z | 0 | - | 4.45 | 25,579 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,569 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,970 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,669 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,500 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,580 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,884 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,063 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,012 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,110 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,589 |
| History of Russia Quiz | 0 | - | 4.49 | 31,846 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,158 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,828 |
| Word Chain - Germany | 0 | - | 4.31 | 22,527 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,082 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,455 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,102 |
| Famous Irish People | 0 | - | 4.05 | 45,907 |
| History of Italy | 0 | - | 4.55 | 31,901 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,569 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,339 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,097 |
| Geography of Spain | 0 | - | 4.59 | 22,019 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,916 |
| UK General Knowledge Multiple Choice #3 | 0 | - | 4.53 | 18,066 |
| British Geography A-Z | 0 | - | 4.41 | 19,467 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,606 |
| London A-Z | 0 | - | 4.10 | 40,700 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,615 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,405 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,688 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,137 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,115 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,993 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,448 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,336 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,032 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,811 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,444 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,617 |
| Europe Map Quiz | 0 | - | 5.00 | 4,746,317 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,137 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,780 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,081 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,122 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,800 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,247 |
| Capitals of French Regions | 0 | - | 4.45 | 16,019 |
| Regions of France | 0 | - | 4.77 | 119,985 |
| France Immigration by Country | 0 | - | 4.72 | 76,213 |
| Kings of France Quiz | 0 | - | 4.20 | 32,632 |
| German Loan Words | 0 | - | 4.27 | 135,623 |
| German History A-Z | 0 | - | 4.49 | 24,520 |
| German Inventions | 0 | - | 3.91 | 30,208 |
| Embarrassing Chapters in German History | 0 | - | 3.41 | 12,597 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,729 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,454 |
| Ancient Greek Words | 0 | - | 4.93 | 111,116 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,900 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,140 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,839 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,067 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,156 |
| British to American Food Translation | 0 | - | 3.38 | 51,908 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,843 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,359 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,463 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,080 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,149 |
| Famous Scottish People | 0 | - | 4.22 | 18,359 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,174 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,819 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,661 |
| Australian Capitals | 0 | - | 4.92 | 62,659 |
| European Physical Geography | 0 | - | 4.26 | 33,426 |
| Geography of Russia | 0 | - | 4.57 | 21,484 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,859 |
| History of Austria | 0 | - | 4.70 | 17,802 |
| Austria Country Quiz | 0 | - | 4.57 | 59,539 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,496 |
| France Country Quiz | 0 | - | 4.70 | 134,505 |
