| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,672 |
| Counties of England | 0 | - | 4.97 | 788,522 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,279 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,705 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,692 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,024 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,582 |
| States of Germany | 0 | - | 4.96 | 149,843 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,933 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,489 |
| Regions of Italy | 0 | - | 4.92 | 74,611 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,749 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,173 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,068 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,855 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,393 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,921 |
| History of Austria | 0 | - | 4.70 | 17,738 |
| Malta Country Quiz | 0 | - | 4.81 | 30,797 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,782 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,113 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,379 |
| The Only European Country ... | 0 | - | 4.91 | 213,559 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,361 |
| History of Italy | 0 | - | 4.55 | 31,801 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,467 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,964 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,360 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,463 |
| Flags of North and South America | 0 | - | 4.99 | 365,992 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,779 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,613 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,217 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,095 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,416 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,603 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,594 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,179 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,087 |
| Slavic Countries | 0 | - | 4.96 | 110,786 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,018 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,304 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,714 |
| Cross Flags of Europe | 0 | - | 4.42 | 296,631 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,624 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,910 |
| Regions of France | 0 | - | 4.78 | 119,075 |
| France Immigration by Country | 0 | - | 4.72 | 75,925 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,406 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,740 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,028 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,879 |
| The UK for Americans - True or False | 0 | - | 4.46 | 58,370 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,985 |
| Flags of Oceania | 0 | - | 5.00 | 254,759 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,274 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,975 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,244 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,104 |
| Monarchies of Europe | 0 | - | 4.90 | 97,233 |
| European Countries with One Border | 0 | - | 4.97 | 181,498 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,003 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,139 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,810 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,316 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,271 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,009 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 55,930 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,662 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,116 |
| Geography of the French Empire | 0 | - | 4.48 | 26,916 |
| The French Revolution | 0 | - | 4.46 | 23,754 |
| History of France | 0 | - | 4.59 | 55,914 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,373 |
| The Vikings! | 0 | - | 4.45 | 28,236 |
| The Portuguese Empire | 0 | - | 4.54 | 11,982 |
| American to British Word Translation | 0 | - | 4.06 | 117,016 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,689 |
| Counties of England Map Quiz | 0 | - | 4.97 | 305,982 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,157 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,156 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,716 |
| Geography of the British Empire | 0 | - | 4.48 | 39,464 |
| Champions League Winners | 0 | - | 4.92 | 995,315 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,317 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,411 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,183 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,049 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,283 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,014 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,953 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,388 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,069 |
| Russia Country Quiz | 0 | - | 4.85 | 113,576 |
| Countries That Border Russia | 0 | - | 4.98 | 458,623 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,800 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,004 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,085 |
| Departments of France | 0 | - | 4.93 | 52,697 |
| Countries Bordering France | 0 | - | 4.85 | 397,381 |
| Germany Country Quiz | 0 | - | 4.82 | 156,425 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,073 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,774 |
| Italy Country Quiz | 0 | - | 4.82 | 122,096 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,270 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,000 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,346 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,884 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,538 |
| England or Wales? | 0 | - | 4.94 | 45,285 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,325 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,091 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,596 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,848 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,735 |
| History of The Netherlands | 0 | - | 4.46 | 17,299 |
| Canary Islands | 0 | - | 4.61 | 17,390 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,099 |
| British Spellings | 0 | - | 4.07 | 99,192 |
| British Groups of Things | 0 | - | 4.25 | 82,659 |
| British Acronyms | 0 | - | 4.39 | 45,603 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,942 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.62 | 24,388 |
| Geography of Scotland | 0 | - | 4.63 | 21,468 |
| Name the English Monarchs | 0 | - | 4.92 | 497,501 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,079 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,759 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,788 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,753 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,886 |
| Countries that Border Poland | 0 | - | 4.99 | 171,244 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,338 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,212 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,629 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,588 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,520 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,665 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,495 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,361 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,681 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,480 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,763 |
| Geography of Germany | 0 | - | 4.35 | 17,079 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,089 |
| History of Germany | 0 | - | 4.39 | 52,594 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,339 |
| Name that Greek Letter | 0 | - | 4.94 | 321,469 |
| Counties of Ireland | 0 | - | 4.92 | 192,856 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,388 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,192 |
| History of Spain | 0 | - | 4.29 | 20,992 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,158 |
| British to American Word Translation | 0 | - | 3.74 | 253,278 |
| British Foods by Description | 0 | - | 3.94 | 48,224 |
| British and American Word Differences | 0 | - | 2.67 | 45,905 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,495 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,469 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,685 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,067 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,628 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,714 |
| Bridges of London | 0 | - | 4.17 | 10,061 |
| British Sport Trivia | 0 | - | 4.37 | 20,351 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 396,788 |
| Famous Welsh People | 0 | - | 4.21 | 9,768 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 26,844 |
| San Marino Country Quiz | 0 | - | 4.70 | 28,738 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,373 |
| European Cities Beginning with B - Click Map | 0 | - | 4.75 | 77,271 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,029 |
| European Cities by Picture #1 | 0 | - | 4.29 | 26,851 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,127 |
| History of Russia Quiz | 0 | - | 4.49 | 31,774 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,803 |
| Movies Set in France | 0 | - | 4.26 | 13,067 |
| French Inventions | 0 | - | 4.08 | 13,859 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,555 |
| History of Paris | 0 | - | 4.24 | 13,612 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,273 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,409 |
| The Trojan War | 0 | - | 4.83 | 39,400 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,390 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,105 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,032 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,818 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,989 |
| Roman Emperors | 0 | - | 4.95 | 118,336 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,769 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,609 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,411 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,233 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,454 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,773 |
| People on Money - England | 0 | - | 4.29 | 16,559 |
| Name a Valid English City | 0 | - | 4.19 | 16,623 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,292 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,971 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,349 |
| Empires by Maps | 0 | - | 4.98 | 118,227 |
| Australian Capitals | 0 | - | 4.92 | 62,586 |
