| Regions of France Map Quiz | 0 | - | 4.97 | 143,061 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,504 |
| Geography of the French Empire | 0 | - | 4.48 | 26,920 |
| Counties of England | 0 | - | 4.97 | 788,815 |
| History of France | 0 | - | 4.59 | 55,960 |
| History of Italy | 0 | - | 4.55 | 31,806 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,473 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,974 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,374 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,611 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,862 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,360 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,323 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,053 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 55,968 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,637 |
| States of Germany | 0 | - | 4.96 | 149,931 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,983 |
| Regions of Italy | 0 | - | 4.92 | 74,651 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,775 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,220 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,090 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,876 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,399 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,123 |
| Regions of France | 0 | - | 4.78 | 119,133 |
| France Immigration by Country | 0 | - | 4.72 | 75,938 |
| Departments of France | 0 | - | 4.93 | 52,745 |
| Countries Bordering France | 0 | - | 4.85 | 398,386 |
| French History Multiple Choice | 0 | - | 4.55 | 32,864 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,033 |
| History of Austria | 0 | - | 4.70 | 17,742 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,379 |
| The Vikings! | 0 | - | 4.45 | 28,237 |
| The Portuguese Empire | 0 | - | 4.54 | 11,984 |
| Name the English Monarchs | 0 | - | 4.92 | 497,681 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,506 |
| French Inventions | 0 | - | 4.08 | 13,863 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,497 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,779 |
| History of Paris | 0 | - | 4.24 | 13,612 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,163 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,738 |
| Geography of the British Empire | 0 | - | 4.48 | 39,466 |
| Malta Country Quiz | 0 | - | 4.81 | 30,814 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,867 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,207 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,450 |
| The Only European Country ... | 0 | - | 4.91 | 213,672 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,438 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,559 |
| Name that Greek Letter | 0 | - | 4.94 | 321,528 |
| History of The Netherlands | 0 | - | 4.46 | 17,305 |
| History of Russia Quiz | 0 | - | 4.49 | 31,784 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,569 |
| The Trojan War | 0 | - | 4.83 | 39,416 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,476 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,021 |
| Roman Emperors | 0 | - | 4.95 | 118,391 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,087 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,546 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,312 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,657 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,252 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,199 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,435 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,694 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,734 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,204 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,149 |
| Slavic Countries | 0 | - | 4.96 | 110,812 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,031 |
| History of Germany | 0 | - | 4.39 | 52,608 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,178 |
| History of Spain | 0 | - | 4.29 | 20,996 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,685 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,071 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,595 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,431 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,588 |
| Ancient Greek Words | 0 | - | 4.92 | 110,630 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,756 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,034 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,913 |
| The UK for Americans - True or False | 0 | - | 4.46 | 58,380 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,295 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,003 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,303 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,783 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,744 |
| Monarchies of Europe | 0 | - | 4.90 | 97,268 |
| European Countries with One Border | 0 | - | 4.97 | 181,547 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,364 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,175 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,852 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,143 |
| France Country Quiz | 0 | - | 4.70 | 133,784 |
| Movies Set in France | 0 | - | 4.26 | 13,068 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,662 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,035 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,593 |
| American to British Word Translation | 0 | - | 4.06 | 117,036 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,694 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,020 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,164 |
| Champions League Winners | 0 | - | 4.92 | 995,788 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,805 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,202 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,081 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,394 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,088 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,067 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,550 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,149 |
| Russia Country Quiz | 0 | - | 4.85 | 113,599 |
| Countries That Border Russia | 0 | - | 4.98 | 458,761 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,823 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,017 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,129 |
| Kings of France Quiz | 0 | - | 4.20 | 32,546 |
| Germany Country Quiz | 0 | - | 4.82 | 156,474 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,099 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,904 |
| Italy Country Quiz | 0 | - | 4.82 | 122,139 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,318 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,026 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,354 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,340 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,920 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,586 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,189 |
| Former Dominions of the British Empire | 0 | - | 4.30 | 24,076 |
| England or Wales? | 0 | - | 4.94 | 45,298 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,405 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,201 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,597 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,932 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,754 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,759 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,764 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,829 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,927 |
| Canary Islands | 0 | - | 4.61 | 17,394 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,121 |
| British Spellings | 0 | - | 4.07 | 99,197 |
| British Groups of Things | 0 | - | 4.25 | 82,663 |
| British Acronyms | 0 | - | 4.39 | 45,612 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,942 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.62 | 24,417 |
| Geography of Scotland | 0 | - | 4.63 | 21,472 |
| Medieval English History | 0 | - | 4.53 | 43,305 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,651,850 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,193 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,775 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,816 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,771 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,925 |
| Countries that Border Poland | 0 | - | 4.99 | 171,289 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,352 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,324 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,662 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,595 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,526 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,700 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,370 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,738 |
| 20 Questions About France | 0 | - | 4.11 | 32,332 |
| Countries that Beat France | 0 | - | 4.49 | 75,142 |
| France True or False? | 0 | - | 4.43 | 39,771 |
| Embarrassing Chapters in French History | 0 | - | 3.67 | 20,039 |
| Geography of Germany | 0 | - | 4.35 | 17,079 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,180 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,855 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,420 |
| Counties of Ireland | 0 | - | 4.92 | 192,955 |
| Italian Inventions | 0 | - | 3.81 | 18,408 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,420 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,240 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,524 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,655 |
| Roman Names for Places | 0 | - | 4.62 | 57,855 |
| Byzantine History | 0 | - | 4.91 | 28,602 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,013 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,213 |
| British to American Word Translation | 0 | - | 3.74 | 253,288 |
| British Foods by Description | 0 | - | 3.94 | 48,226 |
| British and American Word Differences | 0 | - | 2.67 | 45,909 |
| English Inventions #1 | 0 | - | 3.15 | 23,511 |
| English Inventions #2 | 0 | - | 3.98 | 8,653 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,499 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,528 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,287 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,948 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,823 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,422 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,672 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,738 |
| Bridges of London | 0 | - | 4.17 | 10,061 |
| British Sport Trivia | 0 | - | 4.37 | 20,357 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 396,942 |
