| Olympian Gods Quiz | 0 | - | 4.96 | 503,787 |
| Ancient Greek Words | 0 | - | 4.93 | 112,473 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,867 |
| The Trojan War | 0 | - | 4.83 | 39,992 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,965 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,567 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,969 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,963 |
| Name that Greek Letter | 0 | - | 4.93 | 324,990 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,504 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,780 |
| Mythology A-Z | 0 | - | 4.31 | 37,398 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 75,382 |
| Roman to Greek God | 0 | - | 4.52 | 123,351 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,315 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,451 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 88,051 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,721 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,389 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,460 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,785 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,858 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,593 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,344 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,850 |
| Name the English Monarchs | 0 | - | 4.91 | 506,424 |
| Europe Map Quiz | 0 | - | 5.00 | 4,788,536 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 103,989 |
| Prime Ministers of the UK | 0 | - | 4.95 | 442,358 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,915 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,754 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,242 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,048 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,594 |
| Roman Emperors | 0 | - | 4.95 | 121,212 |
| Byzantine History | 0 | - | 4.91 | 29,024 |
| Byzantine Emperors | 0 | - | 4.93 | 14,600 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,255 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,843 |
| Roman History by Picture | 0 | - | 4.46 | 26,589 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,824 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,342 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,811 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,782 |
| Premier League Relegated Teams | 0 | - | 4.81 | 127,873 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,826 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,258,284 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,731 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,147 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,518 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,067 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,822 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,778 |
| The Only European Country ... | 0 | - | 4.91 | 219,046 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,768 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,847 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,537 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,192 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,798 |
| Slavic Countries | 0 | - | 4.96 | 112,378 |
| History of Russia Quiz | 0 | - | 4.47 | 32,006 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,240 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 111,564 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,413 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 57,003 |
| History of Italy | 0 | - | 4.55 | 32,148 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,822 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,824 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,426 |
| Counties of England | 0 | - | 4.97 | 803,004 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,099 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,815 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,333 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,652 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,766 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,941 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,784 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,519 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,608 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,479 |
| Monarchies of Europe | 0 | - | 4.90 | 98,883 |
| European Countries with One Border | 0 | - | 4.97 | 183,812 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,552 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,839 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,507 |
| Countries That Border Russia | 0 | - | 4.98 | 464,525 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,478 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,655 |
| Countries Bordering France | 0 | - | 4.83 | 404,937 |
| History of France | 0 | - | 4.61 | 57,624 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,810 |
| States of Germany | 0 | - | 4.95 | 154,521 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,698 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,617 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,879 |
| Greece Country Quiz | 0 | - | 4.74 | 66,645 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,580 |
| Regions of Italy | 0 | - | 4.92 | 77,088 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,809 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,326 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,769 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,530 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,464 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,259 |
| Geography of the British Empire | 0 | - | 4.48 | 39,848 |
| Champions League Winners | 0 | - | 4.92 | 1,016,260 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,726,319 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,795 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,894 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,802 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,359 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,733 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,948 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,882 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,938 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,941 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,087 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,685 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,899 |
| Countries that Border Poland | 0 | - | 4.99 | 173,179 |
| Russia Country Quiz | 0 | - | 4.83 | 115,320 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,274 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,875 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,746 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,011 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,593 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,100 |
| History of Austria | 0 | - | 4.70 | 17,974 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,089 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,940 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,953 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,812 |
| Departments of France | 0 | - | 4.93 | 55,171 |
| Geography of the French Empire | 0 | - | 4.45 | 27,218 |
| The French Revolution | 0 | - | 4.47 | 24,148 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,151 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,482 |
| French History Multiple Choice | 0 | - | 4.55 | 33,234 |
| Germany Country Quiz | 0 | - | 4.82 | 158,848 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,079 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,560 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,669 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,499 |
| Counties of Ireland | 0 | - | 4.92 | 197,334 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,245 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,058 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,260 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,656 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,391 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,746 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,296 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,208 |
| Roman Names for Places | 0 | - | 4.62 | 58,713 |
| History of The Netherlands | 0 | - | 4.46 | 17,556 |
| The Vikings! | 0 | - | 4.46 | 28,407 |
| The Portuguese Empire | 0 | - | 4.58 | 12,106 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,504 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,874 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,314 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,136 |
| Arthurian Legend | 0 | - | 4.33 | 25,178 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,786 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,394 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,968 |
| Houses of British Monarchs | 0 | - | 4.54 | 65,953 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.32 | 62,587 |
| Medieval English History | 0 | - | 4.53 | 43,655 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,318 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,089 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,075 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,308 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,843 |
| England or Wales? | 0 | - | 4.94 | 45,970 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,164 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,544 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,340 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,611 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,820 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,049 |
| Moldova Country Quiz | 0 | - | 4.82 | 31,028 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,704 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,144 |
| Germany A-Z | 0 | - | 4.56 | 62,868 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 72,021 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,326 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,561 |
| History of Germany | 0 | - | 4.39 | 52,973 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,915 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.54 | 49,640 |
| Iceland... or Ireland? | 0 | - | 4.74 | 57,237 |
| Italy A-Z | 0 | - | 4.49 | 58,760 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,177 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,160 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,232 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,884 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 54,002 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,355 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,094 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,988 |
| Roald Dahl Books | 0 | - | 4.45 | 34,129 |
