| Counties of England | 0 | - | 4.97 | 804,654 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,024 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,211 |
| Monarchies of Europe | 0 | - | 4.90 | 99,076 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,245 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,862 |
| States of Germany Map Quiz | 0 | - | 4.92 | 134,042 |
| States of Germany | 0 | - | 4.95 | 155,022 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,851 |
| Regions of Italy | 0 | - | 4.92 | 77,306 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,955 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,654 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,924 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,682 |
| Europe Map Quiz | 0 | - | 5.00 | 4,794,885 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,189 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,120 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 128,021 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,270 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,475 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,379 |
| Andorra Country Quiz | 0 | - | 4.91 | 32,007 |
| France Cities Map Quiz | 0 | - | 4.96 | 168,037 |
| Departments of France | 0 | - | 4.93 | 55,454 |
| Germany Country Quiz | 0 | - | 4.82 | 159,134 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,297 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,475 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,277 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,793 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,647 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 187,082 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,509 |
| England or Wales? | 0 | - | 4.94 | 46,088 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,530 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,404 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,497 |
| Name the English Monarchs | 0 | - | 4.91 | 507,595 |
| Malta Country Quiz | 0 | - | 4.81 | 31,275 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,350 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,678 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,581 |
| The Only European Country ... | 0 | - | 4.91 | 219,725 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,910 |
| History of The Netherlands | 0 | - | 4.46 | 17,580 |
| British Acronyms | 0 | - | 4.40 | 45,989 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,234 |
| NATO Countries | 0 | - | 4.98 | 284,227 |
| EU Countries Quiz | 0 | - | 4.99 | 279,143 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,877 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,303 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,488 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,932 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,466 |
| European Geography By Letter - D | 0 | - | 4.49 | 119,006 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,428 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,961 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,379 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,968 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,236 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,879 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,661 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,623 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,837 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,584 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,401 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,942 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,315 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,726 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,425 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,949 |
| Slavic Countries | 0 | - | 4.96 | 112,551 |
| Regions of France | 0 | - | 4.70 | 122,477 |
| France Immigration by Country | 0 | - | 4.70 | 77,037 |
| Famous Germans | 0 | - | 4.50 | 55,893 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,527 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,608 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,578 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,970 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,991 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,982 |
| All World Leaders 2026 | 0 | - | 4.95 | 21,177 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,029 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,788 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,947 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,930 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,703 |
| European Countries with One Border | 0 | - | 4.97 | 184,092 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,812 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,628 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 86,214 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 66,077 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,068 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,774 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,229 |
| Federal Subjects of Russia | 0 | - | 4.95 | 150,014 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,619 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,952 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,347 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,585 |
| People on Money - England | 0 | - | 4.29 | 20,985 |
| Champions League Winners | 0 | - | 4.92 | 1,018,531 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,162 |
| Monarchies of Asia | 0 | - | 4.97 | 71,641 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,380 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.74 | 58,838 |
| Countries That Border Russia | 0 | - | 4.98 | 465,048 |
| Austria Country Quiz | 0 | - | 4.57 | 60,142 |
| France Country Quiz | 0 | - | 4.70 | 135,854 |
| Countries Bordering France | 0 | - | 4.83 | 405,471 |
| Kings of France Quiz | 0 | - | 4.22 | 32,975 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,344 |
| Greece Country Quiz | 0 | - | 4.74 | 66,743 |
| Italy Country Quiz | 0 | - | 4.77 | 124,269 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,999 |
| Monaco Country Quiz | 0 | - | 4.48 | 41,736 |
| Netherlands Country Quiz | 0 | - | 4.52 | 81,076 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,819 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,452 |
| Portugal Country Quiz | 0 | - | 4.69 | 72,443 |
| Spain Country Quiz | 0 | - | 4.44 | 129,446 |
| Switzerland Country Quiz | 0 | - | 4.52 | 63,749 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,889 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,507 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,497 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,408 |
| Geography of the British Empire | 0 | - | 4.48 | 39,888 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,878 |
| Counties of Wales | 0 | - | 4.63 | 39,684 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,988 |
| European Geography By Letter - E | 0 | - | 4.23 | 120,965 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,815 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,478 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,270 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,808 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,460 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,808 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,743 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 52,048 |
| European Geography A-Z | 0 | - | 4.29 | 49,533 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,440 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,570 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,186 |
| Russia Country Quiz | 0 | - | 4.83 | 115,497 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,859 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 35,666 |
| Famous French People | 0 | - | 4.05 | 36,188 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,293 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,078 |
| The Mafia Quiz | 0 | - | 4.46 | 23,454 |
| Canary Islands | 0 | - | 4.62 | 17,551 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,166 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,183 |
| British Spellings | 0 | - | 4.06 | 99,639 |
| British Groups of Things | 0 | - | 4.26 | 83,048 |
| UK Immigration by Country | 0 | - | 4.94 | 141,941 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,134 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,351 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 25,889 |
| British Monopoly Board | 0 | - | 4.52 | 41,298 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,110 |
| Geography of Scotland | 0 | - | 4.63 | 21,839 |
| Medieval English History | 0 | - | 4.53 | 43,699 |
| The Margaret Thatcher Premiership | 0 | - | 3.79 | 9,290 |
| Famous Scottish People | 0 | - | 4.22 | 18,445 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,567 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,834 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,625 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,989 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,647 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 95,774 |
| U.S. States by Governor | 0 | - | 4.43 | 18,127 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,790 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,814 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,071 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,226 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,416 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,742 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,847 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 124,529 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,088 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,327 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,810 |
| Countries that Border Poland | 0 | - | 4.99 | 173,394 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,373 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 103,419 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,129 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,100 |
| Moldova Country Quiz | 0 | - | 4.82 | 31,082 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,246 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,318 |
| Countries Bordering Austria | 0 | - | 4.97 | 119,075 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,168 |
| 20 Questions About France | 0 | - | 4.11 | 32,488 |
| France A-Z | 0 | - | 4.16 | 38,370 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,251 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,594 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.40 | 82,831 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,258 |
| History of Germany | 0 | - | 4.39 | 53,010 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 653,290 |
