| Olympian Gods Quiz | 0 | - | 4.96 | 504,777 |
| Ancient Greek Words | 0 | - | 4.93 | 112,747 |
| The Trojan War | 0 | - | 4.83 | 40,127 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,376 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 128,144 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 653,456 |
| Name that Greek Letter | 0 | - | 4.93 | 325,431 |
| Figures from Greek Mythology | 0 | - | 4.92 | 194,742 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 21,100 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,664 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,872 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,558 |
| Mythology A-Z | 0 | - | 4.31 | 37,470 |
| Roman to Greek God | 0 | - | 4.52 | 123,577 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,539 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,753 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,666 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 86,293 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 66,118 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,096 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,799 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,474 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,722 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 88,435 |
| Name the English Monarchs | 0 | - | 4.91 | 507,754 |
| Europe Map Quiz | 0 | - | 5.00 | 4,795,688 |
| Roman History by Picture | 0 | - | 4.46 | 26,621 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 104,232 |
| Prime Ministers of the UK | 0 | - | 4.95 | 443,482 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,619 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.74 | 58,847 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,306 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,430 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,081 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,739 |
| Roman Emperors | 0 | - | 4.95 | 121,539 |
| Byzantine History | 0 | - | 4.91 | 29,067 |
| Byzantine Emperors | 0 | - | 4.93 | 14,677 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,742 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,910 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 108,988 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,975 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 293,075 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,896 |
| Premier League Relegated Teams | 0 | - | 4.81 | 128,169 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,414 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,787 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,861 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,636 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,864 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,604 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,486 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,967 |
| The Only European Country ... | 0 | - | 4.91 | 219,819 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,373 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,830 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,952 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,456 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,972 |
| Slavic Countries | 0 | - | 4.96 | 112,577 |
| History of Russia Quiz | 0 | - | 4.47 | 32,033 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,264 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 114,664 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 57,198 |
| History of Italy | 0 | - | 4.55 | 32,201 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 127,156 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,868 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,485 |
| Counties of England | 0 | - | 4.97 | 804,869 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,159 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,864 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,346 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,661 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 363,143 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,300 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,044 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,817 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,988 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,737 |
| Monarchies of Europe | 0 | - | 4.90 | 99,106 |
| European Countries with One Border | 0 | - | 4.97 | 184,127 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,841 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,381 |
| Federal Subjects of Russia | 0 | - | 4.95 | 150,071 |
| Countries That Border Russia | 0 | - | 4.98 | 465,130 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,636 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,886 |
| Countries Bordering France | 0 | - | 4.83 | 405,545 |
| History of France | 0 | - | 4.61 | 57,778 |
| States of Germany Map Quiz | 0 | - | 4.92 | 134,077 |
| States of Germany | 0 | - | 4.95 | 155,076 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,872 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,682 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,403 |
| Greece Country Quiz | 0 | - | 4.74 | 66,753 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,598 |
| Regions of Italy | 0 | - | 4.92 | 77,342 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,979 |
| Regions of Spain Quiz | 0 | - | 4.91 | 115,697 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,973 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,705 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,500 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,421 |
| Geography of the British Empire | 0 | - | 4.48 | 39,895 |
| Champions League Winners | 0 | - | 4.92 | 1,018,857 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,733,568 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,105 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,149 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 128,048 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,424 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,857 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,098 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,539 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,493 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,424 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,347 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,688 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,219 |
| Countries that Border Poland | 0 | - | 4.99 | 173,417 |
| Russia Country Quiz | 0 | - | 4.83 | 115,531 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,385 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 103,495 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,880 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,138 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.85 | 35,678 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,264 |
| History of Austria | 0 | - | 4.70 | 17,995 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,326 |
| Andorra Country Quiz | 0 | - | 4.91 | 32,034 |
| Countries Bordering Austria | 0 | - | 4.97 | 119,093 |
| France Cities Map Quiz | 0 | - | 4.96 | 168,189 |
| Departments of France | 0 | - | 4.93 | 55,495 |
| Geography of the French Empire | 0 | - | 4.45 | 27,243 |
| The French Revolution | 0 | - | 4.47 | 24,176 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,255 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,612 |
| French History Multiple Choice | 0 | - | 4.55 | 33,289 |
| Germany Country Quiz | 0 | - | 4.82 | 159,182 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,325 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,582 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,330 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,592 |
| Counties of Ireland | 0 | - | 4.92 | 197,812 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,515 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,306 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,416 |
| Countries Italy Declared War On | 0 | - | 4.77 | 50,727 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,820 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,801 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,418 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,284 |
| Roman Names for Places | 0 | - | 4.62 | 58,822 |
| History of The Netherlands | 0 | - | 4.46 | 17,582 |
| The Vikings! | 0 | - | 4.46 | 28,434 |
| The Portuguese Empire | 0 | - | 4.58 | 12,120 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,664 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 187,109 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,341 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,495 |
| Real Madrid 2010s Starting XI | 0 | - | 4.90 | 69,201 |
| Arthurian Legend | 0 | - | 4.33 | 25,201 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,146 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,772 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 32,014 |
| Houses of British Monarchs | 0 | - | 4.54 | 66,051 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.32 | 62,711 |
| Medieval English History | 0 | - | 4.53 | 43,700 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,367 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,116 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,468 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,466 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,879 |
| England or Wales? | 0 | - | 4.94 | 46,108 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,635 |
| Egyptian Gods and Goddesses | 0 | - | 4.43 | 27,701 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,769 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,822 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,939 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,104 |
| Moldova Country Quiz | 0 | - | 4.82 | 31,088 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,854 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,251 |
| Germany A-Z | 0 | - | 4.56 | 62,930 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 72,174 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,580 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,703 |
| History of Germany | 0 | - | 4.39 | 53,012 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,947 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.54 | 49,705 |
| Iceland... or Ireland? | 0 | - | 4.74 | 57,284 |
| Italy A-Z | 0 | - | 4.49 | 58,901 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,344 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,362 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,325 |
| Countries that Beat Portugal | 0 | - | 4.86 | 60,052 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 54,047 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,470 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,237 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 81,143 |
| Roald Dahl Books | 0 | - | 4.45 | 34,160 |
