| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,572 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,322 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,796 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,389 |
| Counties of England | 0 | - | 4.97 | 802,019 |
| All Modern-Day Countries Ever Controlled by French People | 0 | - | 4.99 | 58,446 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,199 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,053 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,628 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,722 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,475 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,493 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,674 |
| States of Germany | 0 | - | 4.95 | 154,232 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,617 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,202 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,023 |
| Regions of Italy | 0 | - | 4.92 | 76,908 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,732 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,160 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,676 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,454 |
| Europe Map Quiz | 0 | - | 5.00 | 4,783,715 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,400 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,718 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,901 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,675 |
| Departments of France | 0 | - | 4.93 | 54,970 |
| Germany Country Quiz | 0 | - | 4.82 | 158,707 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,984 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,126 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,949 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,721 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,399 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,746 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,602 |
| Name the English Monarchs | 0 | - | 4.91 | 505,867 |
| England or Wales? | 0 | - | 4.94 | 45,926 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,507 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,446 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,171 |
| Geography of the British Empire | 0 | - | 4.48 | 39,829 |
| The Trojan War | 0 | - | 4.83 | 39,949 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,204 |
| Name that Greek Letter | 0 | - | 4.93 | 324,814 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,803 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,540 |
| Roman Emperors | 0 | - | 4.95 | 121,057 |
| Medieval English History | 0 | - | 4.53 | 43,633 |
| Malta Country Quiz | 0 | - | 4.81 | 31,216 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,186 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,513 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,970 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,898 |
| The Only European Country ... | 0 | - | 4.91 | 218,643 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,337 |
| History of Russia Quiz | 0 | - | 4.47 | 31,994 |
| French History Multiple Choice | 0 | - | 4.55 | 33,201 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,812 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,306 |
| History of Italy | 0 | - | 4.55 | 32,126 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,799 |
| History of The Netherlands | 0 | - | 4.46 | 17,539 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,406 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,065 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,288 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,064 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,319 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,920 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,255,631 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,532 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,385 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,931 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,472 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,686 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,439 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,328 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,054 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,697 |
| Slavic Countries | 0 | - | 4.96 | 112,274 |
| History of Germany | 0 | - | 4.39 | 52,964 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,343 |
| Ancient Greek Words | 0 | - | 4.93 | 112,338 |
| Ancient Rome - True or False? | 0 | - | 4.85 | 43,257 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,815 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,233 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,835 |
| Regions of France | 0 | - | 4.70 | 121,896 |
| France Immigration by Country | 0 | - | 4.70 | 76,875 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 75,152 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,423 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,467 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,688 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,392 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,173 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,722 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,792 |
| Embarrassing Chapters in British History | 0 | - | 4.30 | 32,357 |
| History of Scotland | 0 | - | 4.51 | 21,162 |
| Champions League Winners | 0 | - | 4.92 | 1,014,667 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,621 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,399 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,356 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,399 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,367 |
| Monarchies of Europe | 0 | - | 4.90 | 98,754 |
| European Countries with One Border | 0 | - | 4.97 | 183,623 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,385 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,402 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,221 |
| Countries That Border Russia | 0 | - | 4.98 | 464,213 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,401 |
| History of Austria | 0 | - | 4.70 | 17,965 |
| Austria Country Quiz | 0 | - | 4.57 | 60,011 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,192 |
| France Country Quiz | 0 | - | 4.70 | 135,547 |
| French Inventions | 0 | - | 4.10 | 13,923 |
| Geography of the French Empire | 0 | - | 4.45 | 27,202 |
| The French Revolution | 0 | - | 4.47 | 24,130 |
| Countries Bordering France | 0 | - | 4.83 | 404,619 |
| History of Paris | 0 | - | 4.24 | 13,675 |
| Kings of France Quiz | 0 | - | 4.20 | 32,900 |
| History of France | 0 | - | 4.61 | 57,536 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,550 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,579 |
| Greece Country Quiz | 0 | - | 4.74 | 66,589 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,563 |
| Italy Country Quiz | 0 | - | 4.77 | 123,960 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,158 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,922 |
| Monaco Country Quiz | 0 | - | 4.48 | 41,668 |
| Netherlands Country Quiz | 0 | - | 4.52 | 80,882 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,687 |
| The Vikings! | 0 | - | 4.46 | 28,397 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,350 |
| Portugal Country Quiz | 0 | - | 4.69 | 72,259 |
| The Portuguese Empire | 0 | - | 4.58 | 12,097 |
| Spain Country Quiz | 0 | - | 4.44 | 129,148 |
| Switzerland Country Quiz | 0 | - | 4.51 | 63,608 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,825 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,314 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,836 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,432 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,821 |
| Counties of Wales | 0 | - | 4.63 | 39,570 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,769 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,688 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,455 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,675 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,647 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,174 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,740 |
| Russia Country Quiz | 0 | - | 4.83 | 115,225 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,685 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,548 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,941 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,594 |
| History of Ireland | 0 | - | 4.39 | 31,402 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,606 |
| Byzantine History | 0 | - | 4.91 | 29,007 |
| Byzantine Emperors | 0 | - | 4.93 | 14,546 |
| Canary Islands | 0 | - | 4.62 | 17,515 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,713 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,014 |
| British Spellings | 0 | - | 4.06 | 99,583 |
| British Groups of Things | 0 | - | 4.25 | 82,987 |
| British Acronyms | 0 | - | 4.40 | 45,918 |
| UK Immigration by Country | 0 | - | 4.94 | 141,574 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,095 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,817 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 25,663 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,077 |
| Geography of Scotland | 0 | - | 4.63 | 21,721 |
| Former Dominions of the British Empire | 0 | - | 4.27 | 24,257 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,846 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,412 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,721,967 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,659 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,315 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,712 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,678 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 118,303 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,858 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,931 |
| Random Point on Land to European Country | 0 | - | 4.94 | 77,913 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,612 |
| Countries that Border Poland | 0 | - | 4.99 | 173,057 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,201 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,491 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,543 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,952 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,016 |
| Moldova Country Quiz | 0 | - | 4.82 | 31,002 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,989 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,036 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,888 |
| 20 Questions About France | 0 | - | 4.11 | 32,460 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,109 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,427 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,641 |
