| Regions of France Map Quiz | 0 | - | 4.96 | 135,008 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 29,034 |
| Geography of the French Empire | 0 | - | 4.51 | 26,095 |
| The French Revolution | 0 | - | 4.45 | 22,706 |
| Counties of England | 0 | - | 4.97 | 741,598 |
| History of France Quiz | 0 | - | 4.56 | 41,465 |
| Geography of the Dutch Empire | 0 | - | 4.68 | 33,416 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 76,029 |
| Invasions of Great Britain | 0 | - | 4.51 | 57,586 |
| Europe Map Quiz | 0 | - | 5.00 | 4,518,054 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 141,442 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 69,231 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.94 | 56,388 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 64,608 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 51,281 |
| States of Germany Map Quiz | 0 | - | 4.91 | 126,128 |
| States of Germany | 0 | - | 4.94 | 136,188 |
| Germany Immigration by Country | 0 | - | 4.86 | 74,925 |
| Counties of Ireland | 0 | - | 4.88 | 173,667 |
| Regions of Italy | 0 | - | 4.90 | 66,908 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 34,619 |
| Regions of Spain Quiz | 0 | - | 4.89 | 103,550 |
| Cantons of Switzerland | 0 | - | 4.97 | 44,710 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 88,658 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 16,400 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 56,035 |
| Regions of France | 0 | - | 4.70 | 109,554 |
| France Immigration by Country | 0 | - | 4.78 | 72,779 |
| Departments of France | 0 | - | 4.88 | 43,244 |
| Countries Bordering France | 0 | - | 4.87 | 372,060 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 406,650 |
| History of Austria | 0 | - | 4.69 | 17,054 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 22,712 |
| History of Ireland Quiz | 0 | - | 4.44 | 20,126 |
| History of Italy | 0 | - | 4.50 | 30,907 |
| The Vikings! | 0 | - | 4.46 | 27,722 |
| The Portuguese Empire | 0 | - | 4.54 | 11,655 |
| English Monarchs Quiz | 0 | - | 4.90 | 472,361 |
| French Geography Quiz #1 | 0 | - | 4.87 | 32,853 |
| French Inventions | 0 | - | 4.08 | 13,584 |
| Countries that Visit France the Most | 0 | - | 4.83 | 42,475 |
| Countries Closest to Metropolitan France | 0 | - | 4.87 | 69,134 |
| History of Paris | 0 | - | 4.24 | 13,265 |
| Wives of King Henry VIII | 0 | - | 4.54 | 52,347 |
| Countries the UK Declared War On | 0 | - | 4.56 | 117,111 |
| Geography of the British Empire | 0 | - | 4.51 | 38,288 |
| Countries That Use the Euro | 0 | - | 4.92 | 73,969 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 349,088 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 102,818 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 40,421 |
| The Only European Country ... | 0 | - | 4.92 | 195,246 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 611,289 |
| History of The Netherlands | 0 | - | 4.44 | 16,462 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 43,087 |
| French History Multiple Choice | 0 | - | 4.55 | 31,534 |
| The Trojan War | 0 | - | 4.81 | 37,487 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.86 | 101,560 |
| Ancient Roman Trivia #1 | 0 | - | 4.83 | 74,563 |
| Roman Emperors | 0 | - | 4.96 | 108,361 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.70 | 11,242 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,121,352 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,257,352 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 184,847 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 144,478 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 201,162 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 82,209 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 297,062 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 141,514 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 81,460 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 120,938 |
| Slavic Countries | 0 | - | 4.96 | 105,573 |
| Germany Multiple Choice | 0 | - | 4.83 | 51,703 |
| History of Germany | 0 | - | 4.38 | 51,242 |
| Name that Greek Letter | 0 | - | 4.94 | 309,296 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 112,950 |
| History of Spain Quiz | 0 | - | 4.29 | 20,363 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,162 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 19,565 |
| Largest Islands of Greece | 0 | - | 4.58 | 43,890 |
| Olympian Gods Quiz | 0 | - | 4.96 | 469,789 |
| Ancient Greek Words | 0 | - | 4.92 | 104,482 |
| Provinces of the Netherlands | 0 | - | 4.74 | 36,678 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 47,019 |
| Foods in a Full English Breakfast | 0 | - | 4.45 | 96,884 |
| The UK for Americans - True or False | 0 | - | 4.46 | 56,750 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 89,188 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 128,853 |
| Three Band Flags of Europe | 0 | - | 4.97 | 181,812 |
| Pixelated Europe Map | 0 | - | 4.88 | 115,200 |
| Monarchies of Europe | 0 | - | 4.89 | 92,435 |
| European Countries with One Border | 0 | - | 4.97 | 174,052 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 151,843 |
| History of Russia Quiz | 0 | - | 4.48 | 30,970 |
| Federal Subjects of Russia | 0 | - | 4.93 | 127,691 |
| Countries Formerly in Yugoslavia | 0 | - | 4.96 | 118,943 |
| France Country Quiz | 0 | - | 4.71 | 128,026 |
| Movies Set in France | 0 | - | 4.24 | 12,815 |
| The Reign of Napoleon | 0 | - | 4.54 | 37,358 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 65,467 |
| Embarrassing Chapters in Italian History | 0 | - | 4.21 | 11,612 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 52,260 |
| Languages of the United Kingdom | 0 | - | 4.13 | 39,600 |
| Counties of England Map Quiz | 0 | - | 4.97 | 296,524 |
| British Geography Multiple Choice | 0 | - | 4.43 | 42,192 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 305,153 |
| Champions League Winners | 0 | - | 4.91 | 938,807 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 99,685 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 186,847 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 120,964 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 215,187 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 261,173 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 153,919 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 206,529 |
| Name a Valid European Country #2 | 0 | - | 4.92 | 90,542 |
| Russia Country Quiz | 0 | - | 4.83 | 108,731 |
| Countries That Border Russia | 0 | - | 4.98 | 443,213 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 33,082 |
| France Cities Map Quiz | 0 | - | 4.95 | 156,686 |
| Germany Country Quiz | 0 | - | 4.82 | 148,799 |
| Germany Cities Map Quiz | 0 | - | 4.83 | 112,196 |
| Countries Bordering Germany | 0 | - | 4.99 | 353,983 |
| Italy Country Quiz | 0 | - | 4.80 | 115,999 |
| Regions of Italy Map Quiz | 0 | - | 4.95 | 141,254 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 144,596 |
| Countries Surrounding Rome | 0 | - | 4.96 | 48,001 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 415,898 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 91,116 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 177,195 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 108,505 |
| Former Dominions of the British Empire | 0 | - | 4.34 | 23,404 |
| England or Wales? | 0 | - | 4.94 | 42,941 |
| All UEFA Champions League Teams Ever | 0 | - | 4.83 | 119,349 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 506,687 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 101,303 |
| European Countries NOT in NATO | 0 | - | 4.78 | 38,651 |
| Ancient Greek Trivia | 0 | - | 4.55 | 65,065 |
| Figures from Greek Mythology | 0 | - | 4.90 | 174,987 |
| Countries Italy Declared War On | 0 | - | 4.75 | 41,578 |
| Canary Islands | 0 | - | 4.61 | 16,956 |
| Switzerland Immigration by Country | 0 | - | 4.78 | 25,665 |
| British Spellings Quiz | 0 | - | 4.07 | 97,061 |
| British Groups of Things | 0 | - | 4.25 | 81,793 |
| British Acronyms | 0 | - | 4.39 | 44,583 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,320 |
| English Monarchs in Order by First Letter | 0 | - | 4.41 | 28,067 |
| Geography of Scotland | 0 | - | 4.62 | 20,536 |
| Medieval English History | 0 | - | 4.53 | 42,129 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,407,516 |
| Deadliest U.S. Wars | 0 | - | 4.84 | 165,666 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 68,702 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 133,588 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 60,692 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 82,187 |
| Countries that Border Poland | 0 | - | 4.99 | 165,274 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 79,404 |
| Countries With the Most Russian Speakers | 0 | - | 4.96 | 61,716 |
| Countries that Border Hungary | 0 | - | 4.98 | 100,256 |
| Moldova Country Quiz | 0 | - | 4.86 | 29,024 |
| Countries Bordering Serbia | 0 | - | 4.96 | 87,537 |
| Andorra Country Quiz | 0 | - | 4.88 | 29,687 |
| Countries Bordering Austria | 0 | - | 4.97 | 113,888 |
| 20 Questions About France | 0 | - | 4.16 | 31,807 |
| Countries that Beat France | 0 | - | 4.53 | 71,657 |
| France True or False? | 0 | - | 4.42 | 38,664 |
| Embarrassing Chapters in French History | 0 | - | 3.65 | 19,614 |
| Geography of Germany | 0 | - | 4.37 | 16,379 |
| Countries With the Most German Speakers | 0 | - | 4.85 | 57,876 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.57 | 61,157 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 40,142 |
| Italian Inventions | 0 | - | 3.86 | 18,187 |
| Countries Bordering Italy | 0 | - | 4.94 | 97,491 |
| Countries Closest to Italy | 0 | - | 4.97 | 188,156 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 36,688 |
| Geography of the Roman Empire | 0 | - | 4.56 | 50,064 |
| Roman Names for Places | 0 | - | 4.65 | 44,236 |
| Byzantine History | 0 | - | 4.87 | 27,402 |
| Geography of the Spanish Empire | 0 | - | 4.48 | 36,121 |
| Countries Closest to Spain | 0 | - | 4.95 | 215,872 |
| British to American Word Translation | 0 | - | 3.73 | 238,459 |
| American to British Word Translation | 0 | - | 3.99 | 111,615 |
| British Foods | 0 | - | 3.88 | 47,669 |
| British and American Word Differences | 0 | - | 2.68 | 44,997 |
| English Inventions #1 | 0 | - | 3.22 | 23,243 |
| English Inventions #2 | 0 | - | 3.95 | 8,393 |
| British Geography Quiz #2 | 0 | - | 4.29 | 26,911 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 117,048 |
| Houses of British Monarchs | 0 | - | 4.54 | 63,054 |
| British History Multiple Choice #1 | 0 | - | 4.47 | 53,310 |
| Prime Ministers of the UK | 0 | - | 4.95 | 408,392 |
| World Capitals Closest to London | 0 | - | 4.89 | 97,446 |
| 50 Busiest Air Routes from London | 0 | - | 4.88 | 91,579 |
| Bridges of London | 0 | - | 4.17 | 9,727 |
| British Sport Trivia | 0 | - | 4.33 | 19,814 |
| 2025–2026 Football League Teams | 0 | - | 4.92 | 374,246 |
| Famous Welsh People | 0 | - | 4.21 | 9,509 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 25,728 |
| Malta Country Quiz | 0 | - | 4.80 | 29,485 |
| San Marino Country Quiz | 0 | - | 4.69 | 27,438 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 256,514 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 51,089 |
