| England or Wales? | 0 | - | 4.94 | 46,065 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,130 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,759 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,125 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,512 |
| States of Germany | 0 | - | 4.95 | 154,982 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,829 |
| Regions of Italy | 0 | - | 4.92 | 77,283 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,931 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,615 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,914 |
| Departments of France | 0 | - | 4.93 | 55,424 |
| Germany True or False? | 0 | - | 4.61 | 49,077 |
| Italy True or False? | 0 | - | 4.42 | 47,662 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,785 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,857 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,876 |
| Official European Union Languages | 0 | - | 4.97 | 240,402 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,848 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,448 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,394 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,115 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,905 |
| French History Multiple Choice | 0 | - | 4.55 | 33,281 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,538 |
| Australia True or False | 0 | - | 4.87 | 57,229 |
| Celtic Nations | 0 | - | 4.61 | 47,130 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,155 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,260 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,605 |
| Regions of France | 0 | - | 4.70 | 122,437 |
| France Immigration by Country | 0 | - | 4.70 | 77,020 |
| Famous Germans | 0 | - | 4.50 | 55,882 |
| German Groups of Things | 0 | - | 4.47 | 38,677 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,517 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,600 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,560 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,952 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,484 |
| Counties of England | 0 | - | 4.97 | 804,435 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,971 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,794 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,538 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,128 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,920 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,121 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,203 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,975 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,833 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,999 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,890 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,658 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,321 |
| Champions League Winners | 0 | - | 4.92 | 1,018,240 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.74 | 58,833 |
| France Multiple Choice | 0 | - | 4.39 | 40,877 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,447 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,475 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,500 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,875 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,406 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,369 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,321 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,999 |
| Famous French People | 0 | - | 4.05 | 36,170 |
| France Cities Map Quiz | 0 | - | 4.96 | 168,018 |
| Word Chain - France | 0 | - | 4.38 | 42,966 |
| Germany Country Quiz | 0 | - | 4.82 | 159,095 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,262 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,287 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,077 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,452 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,254 |
| Italian Foods | 0 | - | 4.30 | 73,406 |
| The Mafia Quiz | 0 | - | 4.46 | 23,454 |
| History of The Netherlands | 0 | - | 4.46 | 17,573 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,643 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 187,058 |
| Canary Islands | 0 | - | 4.62 | 17,550 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,143 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,169 |
| British Spellings | 0 | - | 4.06 | 99,633 |
| British Groups of Things | 0 | - | 4.26 | 83,045 |
| British Acronyms | 0 | - | 4.40 | 45,981 |
| UK Immigration by Country | 0 | - | 4.94 | 141,918 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,132 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,297 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,070 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,226 |
| Geography of Scotland | 0 | - | 4.63 | 21,828 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,521 |
| North Korea... or South Korea? | 0 | - | 4.47 | 81,047 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,803 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,742 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,469 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 124,245 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,072 |
| Slavic Languages | 0 | - | 4.67 | 54,790 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,296 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,683 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,163 |
| France A-Z | 0 | - | 4.16 | 38,366 |
| History of Germany | 0 | - | 4.39 | 53,004 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 653,117 |
| Name that Greek Letter | 0 | - | 4.93 | 325,343 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,764 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,817 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,667 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,388 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,538 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 87,039 |
| Switzerland A-Z | 0 | - | 4.45 | 25,796 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 70,036 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,115 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,157 |
| Malta Country Quiz | 0 | - | 4.81 | 31,268 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,915 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,759 |
| Top European Languages on a Map | 0 | - | 4.77 | 133,030 |
| History of Russia Quiz | 0 | - | 4.47 | 32,030 |
| Movies Set in France | 0 | - | 4.26 | 13,159 |
| French Inventions | 0 | - | 4.10 | 13,933 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,822 |
| History of Paris | 0 | - | 4.24 | 13,687 |
| Word Chain - Germany | 0 | - | 4.31 | 22,700 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,674 |
| The Trojan War | 0 | - | 4.83 | 40,092 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,275 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,989 |
| History of Italy | 0 | - | 4.55 | 32,187 |
| Word Chain - Italy | 0 | - | 4.07 | 23,231 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,183 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,707 |
| Roman Emperors | 0 | - | 4.95 | 121,466 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,856 |
| Famous Nordic People | 0 | - | 4.34 | 20,350 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,651 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,470 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,424 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,584 |
| People on Money - England | 0 | - | 4.29 | 20,312 |
| Name a Valid English City | 0 | - | 4.19 | 16,839 |
| UK General Knowledge Multiple Choice #3 | 0 | - | 4.53 | 18,181 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 281,064 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,866 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,695 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,383 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,804 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,317 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,839 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,308 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,839 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,308 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,908 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,181 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,804 |
| Europe Map Quiz | 0 | - | 5.00 | 4,794,088 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,583 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,252 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,520 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,475 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,582 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,626 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,795 |
| Capitals of French Regions | 0 | - | 4.45 | 16,210 |
| Kings of France Quiz | 0 | - | 4.22 | 32,972 |
| Capitals of German States | 0 | - | 4.74 | 29,099 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,598 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,562 |
| Ancient Greek Words | 0 | - | 4.93 | 112,696 |
| British to American Food Translation | 0 | - | 3.38 | 52,065 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,605 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,799 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 293,019 |
| Famous Scottish People | 0 | - | 4.22 | 18,444 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,514 |
| Australian Capitals | 0 | - | 4.92 | 62,864 |
| European Physical Geography | 0 | - | 4.26 | 33,619 |
| Geography of Russia | 0 | - | 4.57 | 21,623 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,170 |
| History of Austria | 0 | - | 4.70 | 17,992 |
| Austria Country Quiz | 0 | - | 4.57 | 60,128 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,385 |
| France Country Quiz | 0 | - | 4.70 | 135,838 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,408 |
| Geography of the French Empire | 0 | - | 4.45 | 27,236 |
| The French Revolution | 0 | - | 4.47 | 24,169 |
| Tour de France Winners | 0 | - | 4.27 | 15,548 |
| History of France | 0 | - | 4.61 | 57,742 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,580 |
| Greece Country Quiz | 0 | - | 4.74 | 66,723 |
| Italy Country Quiz | 0 | - | 4.77 | 124,242 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,521 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,631 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,992 |
| Monaco Country Quiz | 0 | - | 4.48 | 41,729 |
| Netherlands Country Quiz | 0 | - | 4.52 | 81,061 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,813 |
| The Vikings! | 0 | - | 4.46 | 28,425 |
| Portugal Country Quiz | 0 | - | 4.69 | 72,426 |
