| England or Wales? | 0 | - | 4.94 | 45,422 |
| Austria... or Australia? | 0 | - | 4.68 | 104,005 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,197 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,037 |
| Departments of France | 0 | - | 4.93 | 53,074 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,409 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 210,370 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,819 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,573 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,765 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,744 |
| Official European Union Languages | 0 | - | 4.97 | 237,328 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,130 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,940 |
| The Trojan War | 0 | - | 4.83 | 39,504 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,916 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,180 |
| Roman Emperors | 0 | - | 4.95 | 118,841 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,645 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,611 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,711 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,625 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,401 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,267 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,986 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,821 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,857 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,131 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,664 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,807 |
| Champions League Winners | 0 | - | 4.92 | 998,771 |
| Celtic Nations | 0 | - | 4.69 | 46,843 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,527 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,421 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,164 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,735 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,526 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,647 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,073 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,766 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,460 |
| Countries Bordering France | 0 | - | 4.83 | 400,586 |
| Germany Country Quiz | 0 | - | 4.82 | 156,880 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,394 |
| States of Germany | 0 | - | 4.96 | 150,679 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,215 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,599 |
| Regions of Italy | 0 | - | 4.92 | 74,989 |
| Italy Country Quiz | 0 | - | 4.82 | 122,475 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,643 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,311 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,993 |
| The Vikings! | 0 | - | 4.46 | 28,269 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,266 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,828 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,862 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,239 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,540 |
| UK Immigration by Country | 0 | - | 4.94 | 139,939 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,565 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,355 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,601 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,125 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,583 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,887 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,230 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,007 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,936 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,630 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,902 |
| French History Multiple Choice | 0 | - | 4.55 | 32,913 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,936 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,829 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,807 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,463 |
| Name that Greek Letter | 0 | - | 4.94 | 322,143 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,106 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,498 |
| Counties of Ireland | 0 | - | 4.92 | 193,637 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,572 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,073 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,673 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,588 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,741 |
| Roman Names for Places | 0 | - | 4.62 | 57,976 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,527 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,180 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,970 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,692 |
| British Monopoly Board | 0 | - | 4.52 | 41,077 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,509 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,127 |
| Name the English Monarchs | 0 | - | 4.92 | 499,164 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,005 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,873 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,939 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,917 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,485 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,614 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,136 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,509 |
| Slavic Languages | 0 | - | 4.68 | 54,083 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,127 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,476 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,572 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,976 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,984 |
| France A-Z | 0 | - | 4.16 | 38,094 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,735 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,781 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,650 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,607 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,044 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,782 |
| Famous Irish People | 0 | - | 4.05 | 45,887 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,487 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,029 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,313 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,847 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,296 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,508 |
| Geography of Spain | 0 | - | 4.59 | 22,000 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,585 |
| Switzerland A-Z | 0 | - | 4.45 | 25,545 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,509 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,948 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,864 |
| British Geography A-Z | 0 | - | 4.41 | 19,447 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,525 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,651 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,593 |
| London A-Z | 0 | - | 4.10 | 40,674 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,480 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,011 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,400 |
| History of Russia Quiz | 0 | - | 4.49 | 31,820 |
| Kings of France Quiz | 0 | - | 4.20 | 32,597 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,520 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,443 |
| Ancient Greek Words | 0 | - | 4.93 | 110,945 |
| History of Italy | 0 | - | 4.55 | 31,866 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,332 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,124 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,508 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,737 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,524 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,042 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,630 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,640 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,878 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,589 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,053 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,018 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,898 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,370 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,159 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,968 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,742 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,116 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,479 |
| Europe Map Quiz | 0 | - | 5.00 | 4,739,591 |
| European Physical Geography | 0 | - | 4.26 | 33,400 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,061 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,702 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,016 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,056 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,718 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,300 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,736 |
| Geography of Russia | 0 | - | 4.57 | 21,454 |
| History of Austria | 0 | - | 4.70 | 17,780 |
| Austria Country Quiz | 0 | - | 4.57 | 59,455 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,381 |
| France Country Quiz | 0 | - | 4.70 | 134,064 |
| Capitals of French Regions | 0 | - | 4.45 | 16,007 |
| Regions of France | 0 | - | 4.78 | 119,646 |
| France Immigration by Country | 0 | - | 4.72 | 76,085 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,987 |
| Geography of the French Empire | 0 | - | 4.45 | 26,969 |
| The French Revolution | 0 | - | 4.46 | 23,834 |
| France Multiple Choice | 0 | - | 4.38 | 40,662 |
| Tour de France Winners | 0 | - | 4.27 | 15,261 |
| History of France | 0 | - | 4.59 | 56,409 |
| Famous Germans | 0 | - | 4.50 | 54,747 |
| German Groups of Things | 0 | - | 4.46 | 38,350 |
| Capitals of German States | 0 | - | 4.74 | 28,869 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,154 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,410 |
| Germany True or False? | 0 | - | 4.61 | 48,607 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,624 |
| Greece Country Quiz | 0 | - | 4.74 | 65,879 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,477 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,736 |
| Italian History A-Z | 0 | - | 4.21 | 17,600 |
| Luxembourg Country Quiz | 0 | - | 4.77 | 33,559 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,311 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,950 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,121 |
| Nordic Cities Map Quiz | 0 | - | 4.74 | 89,896 |
| Portugal Country Quiz | 0 | - | 4.69 | 71,503 |
