| Regions of France Map Quiz | 0 | - | 4.97 | 143,235 |
| Departments of France | 0 | - | 4.93 | 52,866 |
| Counties of England | 0 | - | 4.97 | 789,520 |
| Monarchies of Europe | 0 | - | 4.90 | 97,355 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,758 |
| States of Germany | 0 | - | 4.96 | 150,173 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,059 |
| Regions of Italy | 0 | - | 4.92 | 74,774 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,852 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,416 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,229 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,024 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,608 |
| Countries Bordering France | 0 | - | 4.83 | 399,503 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,542 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,280 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,144 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,752 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,642 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,249 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,263 |
| Regions of France | 0 | - | 4.78 | 119,324 |
| France Immigration by Country | 0 | - | 4.72 | 75,985 |
| Germany Country Quiz | 0 | - | 4.82 | 156,619 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,193 |
| Italy Country Quiz | 0 | - | 4.82 | 122,268 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,444 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,122 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,378 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,113 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,700 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,063 |
| England or Wales? | 0 | - | 4.94 | 45,341 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,344 |
| France Country Quiz | 0 | - | 4.70 | 133,889 |
| Name the English Monarchs | 0 | - | 4.92 | 498,128 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,006 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,527 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,415 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,553 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,825 |
| Malta Country Quiz | 0 | - | 4.81 | 30,839 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,083 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,403 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,644 |
| The Only European Country ... | 0 | - | 4.91 | 213,956 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,623 |
| Kings of France Quiz | 0 | - | 4.20 | 32,565 |
| British Acronyms | 0 | - | 4.39 | 45,626 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,966 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,437 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,156 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,737 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,331 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,430 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,496 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,917 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,028 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,302 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,229 |
| Slavic Countries | 0 | - | 4.96 | 110,889 |
| 20 Questions About France | 0 | - | 4.11 | 32,340 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,479 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,851 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,702 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,008 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,169 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,380 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,354 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,065 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,436 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,925 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,259 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,855 |
| European Countries with One Border | 0 | - | 4.97 | 181,676 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,576 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,294 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,001 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,462 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,470 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,156 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,098 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,235 |
| Movies Set in France | 0 | - | 4.26 | 13,076 |
| French Inventions | 0 | - | 4.08 | 13,866 |
| History of Paris | 0 | - | 4.24 | 13,617 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,255 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,153 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,401 |
| Champions League Winners | 0 | - | 4.92 | 996,809 |
| Monarchies of Asia | 0 | - | 4.97 | 70,615 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,443 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,163 |
| Countries That Border Russia | 0 | - | 4.98 | 459,011 |
| Austria Country Quiz | 0 | - | 4.57 | 59,365 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,271 |
| Geography of the French Empire | 0 | - | 4.48 | 26,941 |
| The French Revolution | 0 | - | 4.46 | 23,790 |
| History of France | 0 | - | 4.59 | 56,109 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,707 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,942 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,149 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,541 |
| Greece Country Quiz | 0 | - | 4.74 | 65,779 |
| Luxembourg Country Quiz | 0 | - | 4.77 | 33,494 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,259 |
| Netherlands Country Quiz | 0 | - | 4.50 | 79,998 |
| Nordic Cities Map Quiz | 0 | - | 4.74 | 89,779 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,713 |
| Portugal Country Quiz | 0 | - | 4.69 | 71,371 |
| Spain Country Quiz | 0 | - | 4.45 | 127,660 |
| Switzerland Country Quiz | 0 | - | 4.51 | 62,953 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,243 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,569 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,190 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,193 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,825 |
| Geography of the British Empire | 0 | - | 4.48 | 39,489 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,510 |
| Counties of Wales | 0 | - | 4.63 | 38,913 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,395 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,132 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,117 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,754 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,061 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,306 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,320 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,947 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,301 |
| Russia Country Quiz | 0 | - | 4.85 | 113,673 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,872 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,051 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,783 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,775 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,978 |
| History of The Netherlands | 0 | - | 4.46 | 17,320 |
| Canary Islands | 0 | - | 4.61 | 17,407 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,976 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,176 |
| British Spellings | 0 | - | 4.07 | 99,245 |
| British Groups of Things | 0 | - | 4.25 | 82,689 |
| UK Immigration by Country | 0 | - | 4.94 | 139,706 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,952 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,247 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.62 | 24,500 |
| British Monopoly Board | 0 | - | 4.52 | 41,041 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,355 |
| Geography of Scotland | 0 | - | 4.63 | 21,487 |
| Medieval English History | 0 | - | 4.53 | 43,330 |
| The Margaret Thatcher Premiership | 0 | - | 3.79 | 9,205 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,552 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,510 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,278 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,756 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,602 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,193 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,123 |
| U.S. States by Governor | 0 | - | 4.43 | 17,984 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,580 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,553 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,321 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,097 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,483 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,800 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,604 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,871 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,188 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,120 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,858 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,128 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,798 |
| Countries that Border Poland | 0 | - | 4.99 | 171,404 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,397 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,578 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,721 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,630 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,549 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,777 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,811 |
| Countries that Beat France | 0 | - | 4.49 | 75,192 |
| France True or False? | 0 | - | 4.43 | 39,789 |
| Tour de France Winners | 0 | - | 4.27 | 15,227 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,321 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,419 |
| History of Germany | 0 | - | 4.39 | 52,624 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,130 |
| Name that Greek Letter | 0 | - | 4.94 | 321,754 |
| Counties of Ireland | 0 | - | 4.92 | 193,155 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,473 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,372 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,368 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,451 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,925 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,700 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,460 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,692 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,076 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,310 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,968 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,841 |
