| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,870 |
| Official European Union Languages | 0 | - | 4.97 | 240,375 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,830 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,074 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,462 |
| States of Germany | 0 | - | 4.95 | 154,953 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,813 |
| Regions of Italy | 0 | - | 4.92 | 77,266 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,919 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,601 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,902 |
| Departments of France | 0 | - | 4.93 | 55,408 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,784 |
| England or Wales? | 0 | - | 4.94 | 46,044 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,414 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,442 |
| Slavic Languages | 0 | - | 4.67 | 54,785 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,386 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,108 |
| Top European Languages on a Map | 0 | - | 4.77 | 133,020 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,039 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,665 |
| Celtic Nations | 0 | - | 4.61 | 47,129 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,141 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,207 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,543 |
| Regions of France | 0 | - | 4.70 | 122,416 |
| France Immigration by Country | 0 | - | 4.70 | 77,011 |
| Famous Germans | 0 | - | 4.50 | 55,872 |
| German Groups of Things | 0 | - | 4.47 | 38,676 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,754 |
| Germany True or False? | 0 | - | 4.61 | 49,069 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,511 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,589 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,542 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,940 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,465 |
| Counties of England | 0 | - | 4.97 | 804,344 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,964 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,853 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,701 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,233 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,821 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,496 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,536 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,100 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,914 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,084 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,182 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,948 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,821 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,987 |
| Famous Nordic People | 0 | - | 4.34 | 20,345 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,866 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,640 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,295 |
| Champions League Winners | 0 | - | 4.92 | 1,018,098 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,828 |
| The Vikings! | 0 | - | 4.46 | 28,424 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,093 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,465 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,870 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,359 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,342 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,276 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,993 |
| Famous French People | 0 | - | 4.05 | 36,161 |
| France Cities Map Quiz | 0 | - | 4.96 | 168,005 |
| Word Chain - France | 0 | - | 4.38 | 42,962 |
| Germany Country Quiz | 0 | - | 4.82 | 159,060 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,244 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,283 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,073 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,446 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,233 |
| Italian Foods | 0 | - | 4.30 | 73,396 |
| The Mafia Quiz | 0 | - | 4.46 | 23,454 |
| History of The Netherlands | 0 | - | 4.46 | 17,572 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,632 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 187,044 |
| Canary Islands | 0 | - | 4.62 | 17,549 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,129 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,161 |
| British Spellings | 0 | - | 4.06 | 99,627 |
| British Groups of Things | 0 | - | 4.26 | 83,044 |
| British Acronyms | 0 | - | 4.40 | 45,977 |
| UK Immigration by Country | 0 | - | 4.94 | 141,903 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,127 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,280 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,047 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,220 |
| Geography of Scotland | 0 | - | 4.63 | 21,822 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,494 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,793 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,741 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,450 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 124,111 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,059 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,279 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,683 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,161 |
| France A-Z | 0 | - | 4.16 | 38,366 |
| French History Multiple Choice | 0 | - | 4.55 | 33,278 |
| History of Germany | 0 | - | 4.39 | 53,003 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 653,006 |
| Name that Greek Letter | 0 | - | 4.93 | 325,304 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,762 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,666 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,381 |
| Languages of Spain | 0 | - | 4.36 | 23,473 |
| Switzerland A-Z | 0 | - | 4.45 | 25,793 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 70,028 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,110 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,154 |
| Malta Country Quiz | 0 | - | 4.81 | 31,265 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 223,147 |
| History of Russia Quiz | 0 | - | 4.47 | 32,027 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,903 |
| 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 | 47,813 |
| History of Paris | 0 | - | 4.24 | 13,687 |
| Word Chain - Germany | 0 | - | 4.31 | 22,698 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,664 |
| The Trojan War | 0 | - | 4.83 | 40,076 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,230 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,930 |
| History of Italy | 0 | - | 4.55 | 32,185 |
| Word Chain - Italy | 0 | - | 4.07 | 23,230 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,525 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,180 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,697 |
| Roman Emperors | 0 | - | 4.95 | 121,448 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,851 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,869 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,299 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,649 |
| 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 | 19,601 |
| Name a Valid English City | 0 | - | 4.19 | 16,837 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 281,045 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,705 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,674 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,348 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,759 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,264 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,764 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,275 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,792 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,283 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,891 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,170 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,789 |
| Europe Map Quiz | 0 | - | 5.00 | 4,793,606 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,573 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,245 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,515 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,470 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,566 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,618 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,793 |
| Capitals of French Regions | 0 | - | 4.45 | 16,209 |
| Kings of France Quiz | 0 | - | 4.22 | 32,970 |
| Capitals of German States | 0 | - | 4.74 | 29,099 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,586 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,473 |
| Ancient Greek Words | 0 | - | 4.93 | 112,672 |
| British to American Food Translation | 0 | - | 3.38 | 52,065 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,602 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,726 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 293,004 |
| Famous Scottish People | 0 | - | 4.22 | 18,444 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,078 |
| Top World Languages | 0 | - | 4.92 | 831,424 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,425 |
| Australian Capitals | 0 | - | 4.92 | 62,863 |
| European Physical Geography | 0 | - | 4.26 | 33,617 |
| Geography of Russia | 0 | - | 4.57 | 21,620 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,163 |
| History of Austria | 0 | - | 4.70 | 17,992 |
| Austria Country Quiz | 0 | - | 4.57 | 60,121 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,380 |
| France Country Quiz | 0 | - | 4.70 | 135,815 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,404 |
| Geography of the French Empire | 0 | - | 4.45 | 27,235 |
| The French Revolution | 0 | - | 4.47 | 24,167 |
| France Multiple Choice | 0 | - | 4.39 | 40,875 |
| Tour de France Winners | 0 | - | 4.27 | 15,547 |
| History of France | 0 | - | 4.61 | 57,730 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,578 |
| Greece Country Quiz | 0 | - | 4.74 | 66,714 |
| Italy Country Quiz | 0 | - | 4.77 | 124,225 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,468 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,619 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,990 |
| Monaco Country Quiz | 0 | - | 4.48 | 41,725 |
| Netherlands Country Quiz | 0 | - | 4.52 | 81,054 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,804 |
