| Counties of England | 0 | - | 4.97 | 798,835 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,748 |
| Monarchies of Europe | 0 | - | 4.90 | 98,346 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 86,245 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,817 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,150 |
| States of Germany | 0 | - | 4.95 | 153,166 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,280 |
| Regions of Italy | 0 | - | 4.92 | 76,231 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,421 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,393 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,414 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,151 |
| Europe Map Quiz | 0 | - | 5.00 | 4,770,903 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,935 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,340 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,255 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,049 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,907 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,619 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,772 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,144 |
| Departments of France | 0 | - | 4.93 | 54,457 |
| Germany Country Quiz | 0 | - | 4.83 | 158,172 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,619 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,653 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,487 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,614 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,115 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,205 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,339 |
| England or Wales? | 0 | - | 4.94 | 45,794 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,016 |
| Belgium Country Quiz | 0 | - | 4.72 | 71,935 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,152 |
| Name the English Monarchs | 0 | - | 4.91 | 503,922 |
| Malta Country Quiz | 0 | - | 4.81 | 31,115 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,558 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,027 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,666 |
| The Only European Country ... | 0 | - | 4.91 | 217,380 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,572 |
| History of The Netherlands | 0 | - | 4.46 | 17,482 |
| British Acronyms | 0 | - | 4.40 | 45,849 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,940 |
| NATO Countries | 0 | - | 4.98 | 281,562 |
| EU Countries Quiz | 0 | - | 4.99 | 275,559 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,487 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,248,473 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,923 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 120,330 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,724 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,279 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,957 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,279 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,907 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,180 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,987 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,264 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,809 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,693 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,866 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,918 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,430 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,362 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,356 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,216 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,974 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,554 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,390 |
| Slavic Countries | 0 | - | 4.96 | 111,878 |
| Regions of France | 0 | - | 4.72 | 121,227 |
| France Immigration by Country | 0 | - | 4.70 | 76,681 |
| Famous Germans | 0 | - | 4.50 | 55,525 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,193 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,138 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,787 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,496 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,440 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,147 |
| All World Leaders 2026 | 0 | - | 4.94 | 20,489 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,038 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,842 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,696 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,386 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,984 |
| European Countries with One Border | 0 | - | 4.97 | 183,112 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,893 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,743 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,383 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,096 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,312 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,133 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,296 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,992 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,092 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,149 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,146 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,544 |
| People on Money - England | 0 | - | 4.29 | 16,623 |
| Champions League Winners | 0 | - | 4.92 | 1,009,818 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,694 |
| Monarchies of Asia | 0 | - | 4.97 | 71,221 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,017 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,575 |
| Countries That Border Russia | 0 | - | 4.98 | 462,811 |
| Austria Country Quiz | 0 | - | 4.57 | 59,838 |
| France Country Quiz | 0 | - | 4.70 | 135,177 |
| Countries Bordering France | 0 | - | 4.83 | 403,535 |
| Kings of France Quiz | 0 | - | 4.20 | 32,816 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,665 |
| Greece Country Quiz | 0 | - | 4.74 | 66,363 |
| Italy Country Quiz | 0 | - | 4.77 | 123,590 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,821 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,565 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,652 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,549 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,210 |
| Portugal Country Quiz | 0 | - | 4.69 | 72,024 |
| Spain Country Quiz | 0 | - | 4.44 | 128,768 |
| Switzerland Country Quiz | 0 | - | 4.51 | 63,455 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,766 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,372 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,403 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,666 |
| Geography of the British Empire | 0 | - | 4.48 | 39,734 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,752 |
| Counties of Wales | 0 | - | 4.63 | 39,384 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,595 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,380 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,223 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,583 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,432 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,126 |
| European Geography By Letter - I | 0 | - | 4.09 | 95,869 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,499 |
| European Geography By Letter - O | 0 | - | 4.29 | 62,989 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,128 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,418 |
| European Geography A-Z | 0 | - | 4.29 | 49,362 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,360 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,014 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,027 |
| Russia Country Quiz | 0 | - | 4.83 | 114,691 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,466 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,414 |
| Famous French People | 0 | - | 4.07 | 35,846 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,073 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,947 |
| The Mafia Quiz | 0 | - | 4.46 | 23,369 |
| Canary Islands | 0 | - | 4.62 | 17,491 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,259 |
| Switzerland Immigration by Country | 0 | - | 4.68 | 29,829 |
| British Spellings | 0 | - | 4.06 | 99,507 |
| British Groups of Things | 0 | - | 4.25 | 82,907 |
| UK Immigration by Country | 0 | - | 4.94 | 141,156 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,054 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,163 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 25,386 |
| British Monopoly Board | 0 | - | 4.52 | 41,194 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,975 |
| Geography of Scotland | 0 | - | 4.63 | 21,656 |
| Medieval English History | 0 | - | 4.53 | 43,571 |
| The Margaret Thatcher Premiership | 0 | - | 3.79 | 9,250 |
| Famous Scottish People | 0 | - | 4.22 | 18,412 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,986 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,377 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,341 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,081 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,429 |
| U.S. States by Governor | 0 | - | 4.43 | 18,079 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,716 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,710 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,066 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,267 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,558 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,183 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,674 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,513 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,591 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,631 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,366 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,409 |
| Countries that Border Poland | 0 | - | 4.99 | 172,601 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,978 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,488 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,419 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,923 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,882 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,658 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,851 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,658 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,088 |
| 20 Questions About France | 0 | - | 4.11 | 32,432 |
| France A-Z | 0 | - | 4.16 | 38,264 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,964 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,282 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,636 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,347 |
| History of Germany | 0 | - | 4.39 | 52,898 |
