| Counties of England | 0 | - | 4.97 | 801,236 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,695 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,357 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,544 |
| States of Germany | 0 | - | 4.95 | 153,981 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,525 |
| Regions of Italy | 0 | - | 4.92 | 76,681 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,647 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,996 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,606 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,375 |
| Europe Map Quiz | 0 | - | 5.00 | 4,780,565 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,893 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.56 | 102,591 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,874 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,511 |
| Departments of France | 0 | - | 4.93 | 54,851 |
| Germany Country Quiz | 0 | - | 4.83 | 158,561 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,894 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,014 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,870 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,700 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,319 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,584 |
| England or Wales? | 0 | - | 4.94 | 45,892 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,572 |
| Official European Union Languages | 0 | - | 4.97 | 239,428 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,439 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,166 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,506 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,258 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,713 |
| Malta Country Quiz | 0 | - | 4.81 | 31,198 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,264 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,703 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,219 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,730 |
| The Only European Country ... | 0 | - | 4.91 | 218,335 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,144 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,994 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,253,696 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,610 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,280 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,831 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,203 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,607 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,885 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,193 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,915 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,935 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,640 |
| Slavic Countries | 0 | - | 4.96 | 112,180 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,615 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,338 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,008 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,860 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,560 |
| San Marino Country Quiz | 0 | - | 4.73 | 29,088 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,057 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,469 |
| Celtic Nations | 0 | - | 4.61 | 47,061 |
| Regions of France | 0 | - | 4.70 | 121,727 |
| France Immigration by Country | 0 | - | 4.70 | 76,827 |
| Famous Germans | 0 | - | 4.50 | 55,665 |
| German Groups of Things | 0 | - | 4.47 | 38,594 |
| Germany True or False? | 0 | - | 4.61 | 48,960 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,329 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,071 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,631 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,379 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,909 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,649 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,764 |
| Champions League Winners | 0 | - | 4.92 | 1,013,089 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,555 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,317 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,231 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,195 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,608 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,280 |
| Monarchies of Europe | 0 | - | 4.90 | 98,640 |
| European Countries with One Border | 0 | - | 4.97 | 183,504 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,243 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,261 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,077 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,667 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,484 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,617 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,379 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,697 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,902 |
| Countries That Border Russia | 0 | - | 4.98 | 463,894 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,320 |
| Austria Country Quiz | 0 | - | 4.57 | 59,970 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,121 |
| France Country Quiz | 0 | - | 4.70 | 135,442 |
| Countries Bordering France | 0 | - | 4.83 | 404,343 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,322 |
| Greece Country Quiz | 0 | - | 4.74 | 66,532 |
| Italy Country Quiz | 0 | - | 4.77 | 123,878 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,893 |
| Monaco Country Quiz | 0 | - | 4.48 | 41,639 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,813 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,649 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,310 |
| Portugal Country Quiz | 0 | - | 4.69 | 72,201 |
| Spain Country Quiz | 0 | - | 4.44 | 129,054 |
| Switzerland Country Quiz | 0 | - | 4.51 | 63,566 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,658 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,263 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,817 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,418 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,435 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,112 |
| Geography of the British Empire | 0 | - | 4.48 | 39,813 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,805 |
| Counties of Wales | 0 | - | 4.63 | 39,513 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,606 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,555 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,691 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,122 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,427 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,419 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,704 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,598 |
| Russia Country Quiz | 0 | - | 4.83 | 115,137 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,618 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,504 |
| Famous French People | 0 | - | 4.07 | 36,000 |
| Word Chain - France | 0 | - | 4.38 | 42,896 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,172 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,002 |
| Italian Foods | 0 | - | 4.30 | 73,124 |
| The Mafia Quiz | 0 | - | 4.46 | 23,410 |
| History of The Netherlands | 0 | - | 4.46 | 17,529 |
| Canary Islands | 0 | - | 4.62 | 17,513 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,584 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,955 |
| British Spellings | 0 | - | 4.06 | 99,558 |
| British Groups of Things | 0 | - | 4.25 | 82,975 |
| British Acronyms | 0 | - | 4.40 | 45,899 |
| UK Immigration by Country | 0 | - | 4.94 | 141,456 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,085 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,657 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 25,583 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,461 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,056 |
| Geography of Scotland | 0 | - | 4.63 | 21,704 |
| Name the English Monarchs | 0 | - | 4.91 | 505,371 |
| Medieval English History | 0 | - | 4.53 | 43,618 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,622 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,307 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,704 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,286 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,699 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,147 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,627 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,259 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,778 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,792 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,559 |
| Slavic Languages | 0 | - | 4.68 | 54,609 |
| Countries that Border Poland | 0 | - | 4.99 | 172,938 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,131 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,385 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,271 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,888 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,991 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,969 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,908 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,007 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,656 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,833 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,114 |
| 20 Questions About France | 0 | - | 4.11 | 32,450 |
| France A-Z | 0 | - | 4.16 | 38,309 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,069 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,386 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,573 |
| French History Multiple Choice | 0 | - | 4.55 | 33,178 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.40 | 82,716 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,089 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,076 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,432 |
| History of Germany | 0 | - | 4.39 | 52,944 |
| The Trojan War | 0 | - | 4.83 | 39,930 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,692 |
| Name that Greek Letter | 0 | - | 4.93 | 324,654 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,667 |
| Counties of Ireland | 0 | - | 4.92 | 196,825 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,704 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,161 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,023 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,049 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,478 |
| Roman Emperors | 0 | - | 4.95 | 120,877 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,952 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,725 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,590 |
| Most Common First Names in Spain | 0 | - | 4.32 | 54,769 |
