| Counties of England | 0 | - | 4.97 | 794,751 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,681 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,141 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,537 |
| States of Germany | 0 | - | 4.96 | 151,895 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,878 |
| Regions of Italy | 0 | - | 4.92 | 75,537 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,855 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,628 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,999 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,546 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,246 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,194 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.61 | 101,695 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,444 |
| Departments of France | 0 | - | 4.93 | 53,774 |
| Germany Country Quiz | 0 | - | 4.82 | 157,569 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,860 |
| Italy Country Quiz | 0 | - | 4.82 | 123,185 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,120 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,812 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,515 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,653 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,364 |
| England or Wales? | 0 | - | 4.94 | 45,597 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,994 |
| Official European Union Languages | 0 | - | 4.97 | 238,115 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,602 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,477 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 60,913 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,519 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,090 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,616 |
| Malta Country Quiz | 0 | - | 4.81 | 31,001 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,523 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,933 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,877 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,816 |
| The Only European Country ... | 0 | - | 4.91 | 215,964 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,761 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,754 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,070 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,840 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,115 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,417 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,961 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,150 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,976 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,241 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,957 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,583 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,994 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,715 |
| Slavic Countries | 0 | - | 4.96 | 111,486 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,283 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,871 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,689 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,627 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,450 |
| San Marino Country Quiz | 0 | - | 4.73 | 28,931 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,158 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,357 |
| Celtic Nations | 0 | - | 4.69 | 46,908 |
| Regions of France | 0 | - | 4.75 | 120,400 |
| France Immigration by Country | 0 | - | 4.70 | 76,399 |
| Famous Germans | 0 | - | 4.50 | 55,167 |
| German Groups of Things | 0 | - | 4.46 | 38,435 |
| Germany True or False? | 0 | - | 4.61 | 48,738 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,869 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,286 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,225 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,233 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,011 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,065 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,583 |
| Champions League Winners | 0 | - | 4.92 | 1,003,674 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,663 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,243 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,896 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,893 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,494 |
| Monarchies of Europe | 0 | - | 4.90 | 97,947 |
| European Countries with One Border | 0 | - | 4.97 | 182,503 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,312 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,933 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,875 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,114 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,275 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,695 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,597 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,693 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,375 |
| Countries That Border Russia | 0 | - | 4.98 | 461,081 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,721 |
| Austria Country Quiz | 0 | - | 4.57 | 59,630 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,651 |
| France Country Quiz | 0 | - | 4.70 | 134,755 |
| Countries Bordering France | 0 | - | 4.83 | 401,864 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,586 |
| Greece Country Quiz | 0 | - | 4.74 | 66,132 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,692 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,436 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,386 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,374 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,042 |
| Portugal Country Quiz | 0 | - | 4.69 | 71,737 |
| Spain Country Quiz | 0 | - | 4.45 | 128,298 |
| Switzerland Country Quiz | 0 | - | 4.51 | 63,255 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,017 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,562 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,677 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,296 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,306 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,296 |
| Geography of the British Empire | 0 | - | 4.48 | 39,630 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,659 |
| Counties of Wales | 0 | - | 4.63 | 39,193 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,873 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,777 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,388 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,585 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,271 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,661 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,914 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,321 |
| Russia Country Quiz | 0 | - | 4.85 | 114,271 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,235 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,290 |
| Famous French People | 0 | - | 4.06 | 34,855 |
| Word Chain - France | 0 | - | 4.38 | 42,740 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,936 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,875 |
| Italian Foods | 0 | - | 4.30 | 72,637 |
| The Mafia Quiz | 0 | - | 4.46 | 23,297 |
| History of The Netherlands | 0 | - | 4.46 | 17,406 |
| Canary Islands | 0 | - | 4.62 | 17,459 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,706 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,598 |
| British Spellings | 0 | - | 4.06 | 99,403 |
| British Groups of Things | 0 | - | 4.25 | 82,831 |
| British Acronyms | 0 | - | 4.39 | 45,756 |
| UK Immigration by Country | 0 | - | 4.94 | 140,668 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,017 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,443 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 25,008 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,218 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,662 |
| Geography of Scotland | 0 | - | 4.63 | 21,590 |
| Name the English Monarchs | 0 | - | 4.91 | 501,451 |
| Medieval English History | 0 | - | 4.53 | 43,462 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,731 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,186 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,555 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,040 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,643 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,485 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,270 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,360 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,343 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,770 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,164 |
| Slavic Languages | 0 | - | 4.68 | 54,267 |
| Countries that Border Poland | 0 | - | 4.99 | 172,046 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,718 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,455 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,212 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,087 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,798 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,736 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,241 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,715 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,617 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,183 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,044 |
| 20 Questions About France | 0 | - | 4.11 | 32,394 |
| France A-Z | 0 | - | 4.16 | 38,172 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,787 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,087 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,058 |
| French History Multiple Choice | 0 | - | 4.55 | 33,001 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,496 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,097 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,077 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,905 |
| History of Germany | 0 | - | 4.39 | 52,779 |
| The Trojan War | 0 | - | 4.83 | 39,644 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,061 |
| Name that Greek Letter | 0 | - | 4.93 | 323,077 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,529 |
| Counties of Ireland | 0 | - | 4.92 | 194,623 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,576 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,748 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,309 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,696 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,418 |
| Roman Emperors | 0 | - | 4.95 | 119,649 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,367 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,141 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,419 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,584 |
