| Departments of France | 0 | - | 4.93 | 54,971 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,038 |
| German Groups of Things | 0 | - | 4.47 | 38,615 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,148 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,643 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,263 |
| Word Chain - France | 0 | - | 4.38 | 42,914 |
| States of Germany | 0 | - | 4.95 | 154,250 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,618 |
| Regions of Italy | 0 | - | 4.92 | 76,913 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,734 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,160 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,676 |
| British Groups of Things | 0 | - | 4.25 | 82,988 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,473 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,681 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,661 |
| Regions of France | 0 | - | 4.70 | 121,902 |
| France Immigration by Country | 0 | - | 4.70 | 76,876 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,721 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,722 |
| England or Wales? | 0 | - | 4.94 | 45,926 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,644 |
| Official European Union Languages | 0 | - | 4.97 | 239,606 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,543 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,522 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,266 |
| European Geographic Groups of Four | 0 | - | 4.55 | 19,973 |
| Famous French People | 0 | - | 4.07 | 36,049 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,504 |
| Italian Foods | 0 | - | 4.30 | 73,198 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,027 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,095 |
| French History Multiple Choice | 0 | - | 4.55 | 33,203 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,488 |
| Celtic Nations | 0 | - | 4.61 | 47,081 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,476 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,137 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,550 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,422 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,393 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,949 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,444 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,338 |
| Capitals of French Regions | 0 | - | 4.45 | 16,163 |
| France A-Z | 0 | - | 4.16 | 38,322 |
| Famous Germans | 0 | - | 4.50 | 55,742 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,668 |
| Germany True or False? | 0 | - | 4.61 | 48,991 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,389 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,413 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,291 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,689 |
| Most Common First Names in Spain | 0 | - | 4.32 | 55,143 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,392 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,945 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,081 |
| Counties of England | 0 | - | 4.97 | 802,043 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,793 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,864 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,587 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,623 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,687 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,407 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,849 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,228 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,322 |
| Movies Set in France | 0 | - | 4.26 | 13,145 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,501 |
| French Inventions | 0 | - | 4.10 | 13,923 |
| French Foods | 0 | - | 4.00 | 27,763 |
| History of Paris | 0 | - | 4.24 | 13,675 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,677 |
| Word Chain - Germany | 0 | - | 4.31 | 22,674 |
| Word Chain - Italy | 0 | - | 4.07 | 23,211 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,185 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,454 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,831 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,394 |
| Name a Valid English City | 0 | - | 4.19 | 16,809 |
| Champions League Winners | 0 | - | 4.92 | 1,014,716 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,008 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,537 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,719 |
| Geography of the French Empire | 0 | - | 4.45 | 27,202 |
| The French Revolution | 0 | - | 4.47 | 24,130 |
| France Multiple Choice | 0 | - | 4.39 | 40,827 |
| Kings of France Quiz | 0 | - | 4.20 | 32,901 |
| History of France | 0 | - | 4.61 | 57,539 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,350 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,314 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,822 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,415 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,853 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,191 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,748 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,902 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,678 |
| Presidents of France | 0 | - | 4.25 | 24,316 |
| Germany Country Quiz | 0 | - | 4.82 | 158,713 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,986 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,204 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,023 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,126 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,951 |
| The Mafia Quiz | 0 | - | 4.46 | 23,425 |
| History of The Netherlands | 0 | - | 4.46 | 17,539 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,401 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,749 |
| Canary Islands | 0 | - | 4.62 | 17,515 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,721 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,015 |
| British Spellings | 0 | - | 4.06 | 99,583 |
| British to American Food Translation | 0 | - | 3.38 | 52,025 |
| British Acronyms | 0 | - | 4.40 | 45,918 |
| UK Immigration by Country | 0 | - | 4.94 | 141,578 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,830 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,607 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,077 |
| Geography of Scotland | 0 | - | 4.63 | 21,721 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,857 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,970 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,577 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,684 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,270 |
| Name a Valid African Country | 0 | - | 4.98 | 154,916 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,279 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,946 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,722 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,714 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,215 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 118,572 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,861 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,935 |
| Random Point on Land to European Country | 0 | - | 4.94 | 77,919 |
| Slavic Languages | 0 | - | 4.68 | 54,658 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,665 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,133 |
| Tour de France Winners | 0 | - | 4.27 | 15,497 |
| History of Germany | 0 | - | 4.39 | 52,964 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,225 |
| Name that Greek Letter | 0 | - | 4.93 | 324,818 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,722 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,574 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,606 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,322 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,802 |
| Switzerland A-Z | 0 | - | 4.45 | 25,755 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,048 |
| Malta Country Quiz | 0 | - | 4.81 | 31,217 |
| Topological Map of Asia Quiz | 0 | - | 4.82 | 20,392 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,500 |
| California Groups of Things | 0 | - | 4.26 | 45,738 |
| New York Groups of Things | 0 | - | 4.39 | 71,880 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,574 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,921 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,738 |
| History of Russia Quiz | 0 | - | 4.47 | 31,994 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,849 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,497 |
| The Trojan War | 0 | - | 4.83 | 39,951 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,807 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,314 |
| History of Italy | 0 | - | 4.55 | 32,129 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,275 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,158 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,542 |
| Roman Emperors | 0 | - | 4.95 | 121,060 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,799 |
| Famous Nordic People | 0 | - | 4.34 | 20,280 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,473 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,175 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,795 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,641 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,408 |
| Geography of Spain | 0 | - | 4.59 | 22,165 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,572 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,464 |
| People on Money - England | 0 | - | 4.29 | 16,643 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,487 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,412 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,213 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,365 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,745 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,118 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,335 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,120 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,773 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,150 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,893 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,412 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,627 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,348 |
| Europe Map Quiz | 0 | - | 5.00 | 4,783,948 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,244 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,489 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,698 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,109 |
| Capitals of German States | 0 | - | 4.74 | 29,056 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,522 |
