| States of Germany | 0 | - | 4.95 | 154,704 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,741 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,083 |
| German Groups of Things | 0 | - | 4.47 | 38,647 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,748 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,713 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,486 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,597 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,053 |
| Regions of Italy | 0 | - | 4.92 | 77,168 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,845 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,442 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,821 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,069 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,070 |
| Departments of France | 0 | - | 4.93 | 55,260 |
| Famous Germans | 0 | - | 4.50 | 55,825 |
| Germany True or False? | 0 | - | 4.61 | 49,042 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,755 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,880 |
| England or Wales? | 0 | - | 4.94 | 45,991 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,793 |
| Official European Union Languages | 0 | - | 4.97 | 239,908 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,730 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,126 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,109 |
| Word Chain - Germany | 0 | - | 4.31 | 22,691 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,348 |
| Word Chain - France | 0 | - | 4.38 | 42,948 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,740 |
| Italian Foods | 0 | - | 4.30 | 73,321 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,074 |
| British Groups of Things | 0 | - | 4.26 | 83,032 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,119 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,826 |
| Random Country to Capital | 0 | - | 4.98 | 929,173 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,439 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,519 |
| Celtic Nations | 0 | - | 4.61 | 47,109 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,542 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,211 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,433 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,479 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,444 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,077 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,965 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,156 |
| Regions of France | 0 | - | 4.70 | 122,225 |
| France Immigration by Country | 0 | - | 4.70 | 76,967 |
| Capitals of German States | 0 | - | 4.74 | 29,079 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,563 |
| History of Germany | 0 | - | 4.39 | 52,987 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,534 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,464 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,831 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,332 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,421 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,995 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,094 |
| Counties of England | 0 | - | 4.97 | 803,521 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,829 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,112 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,718 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,046 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,831 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,982 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,051 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,714 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,729 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,892 |
| Word Chain - Italy | 0 | - | 4.07 | 23,226 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,616 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,570 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,151 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,419 |
| Name a Valid English City | 0 | - | 4.19 | 16,833 |
| Champions League Winners | 0 | - | 4.92 | 1,016,965 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,179 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,601 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,777 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,565 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,407 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,395 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,847 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,629 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,913 |
| European Geographic Groups of Four | 0 | - | 4.56 | 20,328 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,948 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,994 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,968 |
| Famous French People | 0 | - | 4.05 | 36,126 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,893 |
| Germany Country Quiz | 0 | - | 4.82 | 158,938 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,143 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,255 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,056 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,310 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,128 |
| The Mafia Quiz | 0 | - | 4.46 | 23,444 |
| History of The Netherlands | 0 | - | 4.46 | 17,563 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,545 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,949 |
| Canary Islands | 0 | - | 4.62 | 17,544 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,010 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,101 |
| British Spellings | 0 | - | 4.06 | 99,615 |
| British to American Food Translation | 0 | - | 3.38 | 52,057 |
| British Acronyms | 0 | - | 4.40 | 45,954 |
| UK Immigration by Country | 0 | - | 4.94 | 141,802 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,133 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,906 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,170 |
| Geography of Scotland | 0 | - | 4.63 | 21,752 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,292 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,448 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,813 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,860 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,501 |
| Name a Valid African Country | 0 | - | 4.98 | 155,139 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,920 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,757 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,724 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,377 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 123,034 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,993 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,166 |
| Slavic Languages | 0 | - | 4.67 | 54,727 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,674 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,152 |
| France A-Z | 0 | - | 4.16 | 38,350 |
| French History Multiple Choice | 0 | - | 4.55 | 33,251 |
| Geography of Germany | 0 | - | 4.35 | 17,294 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,365 |
| Name that Greek Letter | 0 | - | 4.93 | 325,112 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,750 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,726 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,648 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,449 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,938 |
| Switzerland A-Z | 0 | - | 4.45 | 25,777 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,119 |
| Malta Country Quiz | 0 | - | 4.81 | 31,247 |
| Topological Map of Asia Quiz | 0 | - | 4.82 | 20,474 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,128 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,605 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,765 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,053 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,917 |
| History of Russia Quiz | 0 | - | 4.47 | 32,010 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,887 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,670 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,357 |
| Movies Set in France | 0 | - | 4.26 | 13,153 |
| French Inventions | 0 | - | 4.10 | 13,930 |
| French Foods | 0 | - | 4.00 | 27,782 |
| History of Paris | 0 | - | 4.24 | 13,683 |
| The Trojan War | 0 | - | 4.83 | 40,020 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,064 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,701 |
| History of Italy | 0 | - | 4.55 | 32,164 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,443 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,168 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,636 |
| Roman Emperors | 0 | - | 4.95 | 121,318 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,834 |
| Famous Nordic People | 0 | - | 4.34 | 20,318 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,490 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,260 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,928 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,645 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,443 |
| Geography of Spain | 0 | - | 4.59 | 22,191 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,581 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,514 |
| People on Money - England | 0 | - | 4.29 | 16,647 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,851 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,511 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,517 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,289 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,690 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,169 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,454 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,216 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,706 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,243 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,859 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,140 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,733 |
| Europe Map Quiz | 0 | - | 5.00 | 4,790,489 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,532 |
| Random European City to Country | 0 | - | 4.69 | 118,501 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,572 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,761 |
| Capitals of French Regions | 0 | - | 4.45 | 16,186 |
| Kings of France Quiz | 0 | - | 4.21 | 32,943 |
| German Loan Words | 0 | - | 4.27 | 141,091 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,041 |
| Ancient Greek Words | 0 | - | 4.93 | 112,568 |
| Robin Hood Quiz | 0 | - | 4.00 | 8,482 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,584 |
