| England or Wales? | 0 | - | 4.94 | 46,115 |
| Austria... or Australia? | 0 | - | 4.67 | 104,889 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,164 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,326 |
| Departments of France | 0 | - | 4.93 | 55,519 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,803 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,786 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,185 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,333 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,464 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,905 |
| Official European Union Languages | 0 | - | 4.97 | 240,501 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,906 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,666 |
| The Trojan War | 0 | - | 4.83 | 40,136 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,400 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,750 |
| Roman Emperors | 0 | - | 4.95 | 121,562 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,419 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,919 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,879 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,129 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 363,221 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,190 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,389 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,883 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,782 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,547 |
| UK Cities Map Quiz | 0 | - | 4.96 | 467,017 |
| Champions League Winners | 0 | - | 4.92 | 1,018,994 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,548 |
| Celtic Nations | 0 | - | 4.61 | 47,134 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,327 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,955 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,585 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,512 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,437 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,449 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,271 |
| Federal Subjects of Russia | 0 | - | 4.95 | 150,098 |
| Andorra Country Quiz | 0 | - | 4.91 | 32,042 |
| France Cities Map Quiz | 0 | - | 4.96 | 168,294 |
| Countries Bordering France | 0 | - | 4.83 | 405,583 |
| Germany Country Quiz | 0 | - | 4.82 | 159,206 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,341 |
| States of Germany | 0 | - | 4.95 | 155,098 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,880 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,429 |
| Regions of Italy | 0 | - | 4.92 | 77,371 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,528 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,321 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,990 |
| The Vikings! | 0 | - | 4.46 | 28,434 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,673 |
| Regions of Spain Quiz | 0 | - | 4.91 | 115,718 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 187,117 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,213 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,980 |
| UK Immigration by Country | 0 | - | 4.94 | 141,977 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,421 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,513 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,173 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,671 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,881 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,653 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.74 | 58,854 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,102 |
| Countries Bordering Austria | 0 | - | 4.97 | 119,103 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,260 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,619 |
| French History Multiple Choice | 0 | - | 4.55 | 33,290 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,360 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,310 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,083 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 653,529 |
| Name that Greek Letter | 0 | - | 4.93 | 325,468 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,572 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,911 |
| Counties of Ireland | 0 | - | 4.92 | 197,828 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,425 |
| Countries Italy Declared War On | 0 | - | 4.77 | 50,986 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,843 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,423 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,289 |
| Roman Names for Places | 0 | - | 4.62 | 58,828 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,880 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,583 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,507 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 87,100 |
| British Monopoly Board | 0 | - | 4.52 | 41,305 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 76,094 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,793 |
| Name the English Monarchs | 0 | - | 4.91 | 507,819 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,372 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,118 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,472 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,475 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,821 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,745 |
| Word Scramble - European Countries | 0 | - | 4.72 | 142,526 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 124,881 |
| Slavic Languages | 0 | - | 4.67 | 54,820 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,487 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,690 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 105,096 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,173 |
| France A-Z | 0 | - | 4.16 | 38,374 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,862 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,254 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,586 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,711 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,267 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 128,181 |
| Famous Irish People | 0 | - | 4.05 | 46,088 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,765 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,356 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,508 |
| Countries that Beat Portugal | 0 | - | 4.86 | 60,062 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,674 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,422 |
| Geography of Spain | 0 | - | 4.59 | 22,306 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,475 |
| Switzerland A-Z | 0 | - | 4.45 | 25,806 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 70,056 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,118 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,563 |
| British Geography A-Z | 0 | - | 4.42 | 19,639 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,181 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,703 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,743 |
| London A-Z | 0 | - | 4.10 | 40,924 |
| Iran... or Iraq? | 0 | - | 4.31 | 33,701 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,782 |
| Top European Languages on a Map | 0 | - | 4.77 | 133,072 |
| History of Russia Quiz | 0 | - | 4.47 | 32,033 |
| Kings of France Quiz | 0 | - | 4.22 | 32,979 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,828 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,599 |
| Ancient Greek Words | 0 | - | 4.93 | 112,760 |
| History of Italy | 0 | - | 4.55 | 32,204 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,599 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,278 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,787 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,672 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,869 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,490 |
| Name Every Beatles Song | 0 | - | 4.97 | 239,019 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 293,087 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,635 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 122,081 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,662 |
| European Geography By Letter - D | 0 | - | 4.49 | 119,224 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,577 |
| European Geography By Letter - M | 0 | - | 4.70 | 133,109 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,480 |
| European Geography By Letter - R | 0 | - | 4.43 | 95,054 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,311 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,963 |
| Europe Map Quiz | 0 | - | 5.00 | 4,796,109 |
| European Physical Geography | 0 | - | 4.26 | 33,629 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,599 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,274 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,544 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,494 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,695 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,655 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,812 |
| Geography of Russia | 0 | - | 4.57 | 21,633 |
| History of Austria | 0 | - | 4.70 | 17,996 |
| Austria Country Quiz | 0 | - | 4.57 | 60,160 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,427 |
| France Country Quiz | 0 | - | 4.70 | 135,893 |
| Capitals of French Regions | 0 | - | 4.45 | 16,218 |
| Regions of France | 0 | - | 4.70 | 122,556 |
| France Immigration by Country | 0 | - | 4.70 | 77,053 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,422 |
| Geography of the French Empire | 0 | - | 4.45 | 27,245 |
| The French Revolution | 0 | - | 4.47 | 24,178 |
| France Multiple Choice | 0 | - | 4.39 | 40,885 |
| Tour de France Winners | 0 | - | 4.27 | 15,553 |
| History of France | 0 | - | 4.61 | 57,788 |
| Famous Germans | 0 | - | 4.50 | 55,912 |
| German Groups of Things | 0 | - | 4.47 | 38,686 |
| Capitals of German States | 0 | - | 4.74 | 29,104 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,607 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,584 |
| Germany True or False? | 0 | - | 4.61 | 49,096 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,630 |
| Greece Country Quiz | 0 | - | 4.74 | 66,757 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 21,103 |
| Figures from Greek Mythology | 0 | - | 4.92 | 194,916 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,605 |
| Italy Country Quiz | 0 | - | 4.77 | 124,303 |
| Italian History A-Z | 0 | - | 4.16 | 17,967 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 34,019 |
| Monaco Country Quiz | 0 | - | 4.48 | 41,746 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,990 |
| Netherlands Country Quiz | 0 | - | 4.52 | 81,104 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,838 |
| Portugal Country Quiz | 0 | - | 4.69 | 72,481 |
