| Olympian Gods Quiz | 0 | - | 4.96 | 498,587 |
| Ancient Greek Words | 0 | - | 4.93 | 111,141 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,927 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,625 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,851 |
| Byzantine History | 0 | - | 4.91 | 28,715 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,302 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,226 |
| Roman to Greek God | 0 | - | 4.52 | 122,515 |
| Roman History by Picture | 0 | - | 4.46 | 26,400 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,853 |
| Name that Greek Letter | 0 | - | 4.93 | 322,630 |
| Mythology A-Z | 0 | - | 4.31 | 37,113 |
| The Trojan War | 0 | - | 4.83 | 39,581 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,219 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,774 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,586 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,153 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,528 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,592 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 75,901 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,019 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,521 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,413 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,283 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,083 |
| Italy Country Quiz | 0 | - | 4.82 | 122,735 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,869 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,522 |
| Name the English Monarchs | 0 | - | 4.92 | 500,289 |
| Europe Map Quiz | 0 | - | 5.00 | 4,747,403 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,728 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,433 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,655 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,958 |
| Prime Ministers of the UK | 0 | - | 4.96 | 436,796 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,670 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,304 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,877 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,845 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,158 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,307 |
| Roman Emperors | 0 | - | 4.95 | 119,356 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,322 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,281 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,547 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 107,971 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,135 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,185 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,168 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,029 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,235,429 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,782 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,381 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,193 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,741 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,544 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,797 |
| The Only European Country ... | 0 | - | 4.91 | 215,279 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,426 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,613 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,398 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,788 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,555 |
| Slavic Countries | 0 | - | 4.96 | 111,290 |
| History of Russia Quiz | 0 | - | 4.49 | 31,851 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,457 |
| History of Italy | 0 | - | 4.55 | 31,908 |
| Italy A-Z | 0 | - | 4.49 | 58,036 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,572 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,103 |
| Counties of England | 0 | - | 4.97 | 792,891 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,733 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,468 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,222 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,581 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,749 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,638 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,464 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,980 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,557 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,275 |
| Monarchies of Europe | 0 | - | 4.90 | 97,731 |
| European Countries with One Border | 0 | - | 4.97 | 182,178 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,041 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,721 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,443 |
| Countries That Border Russia | 0 | - | 4.98 | 460,450 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,562 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,852 |
| Countries Bordering France | 0 | - | 4.83 | 401,250 |
| History of France | 0 | - | 4.59 | 56,650 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,205 |
| States of Germany | 0 | - | 4.96 | 151,186 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,608 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,116 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,087 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,457 |
| Regions of Italy | 0 | - | 4.92 | 75,260 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 50,039 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,242 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,767 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,379 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,271 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,127 |
| Geography of the British Empire | 0 | - | 4.48 | 39,589 |
| Champions League Winners | 0 | - | 4.92 | 1,001,107 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,369 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,676,353 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,845 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,672 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,548 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,944 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,126 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,161 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,912 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,797 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,167 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,536 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,918 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,982 |
| Countries that Border Poland | 0 | - | 4.99 | 171,826 |
| Russia Country Quiz | 0 | - | 4.85 | 114,076 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,581 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,637 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,123 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,954 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,207 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,096 |
| History of Austria | 0 | - | 4.70 | 17,808 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,644 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,050 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,040 |
| Departments of France | 0 | - | 4.93 | 53,409 |
| Geography of the French Empire | 0 | - | 4.45 | 27,001 |
| The French Revolution | 0 | - | 4.46 | 23,872 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,711 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,987 |
| French History Multiple Choice | 0 | - | 4.55 | 32,958 |
| Germany Country Quiz | 0 | - | 4.82 | 157,239 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,616 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,432 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,510 |
| Counties of Ireland | 0 | - | 4.92 | 194,110 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,161 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,454 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,640 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,802 |
| Roman Names for Places | 0 | - | 4.62 | 58,072 |
| History of The Netherlands | 0 | - | 4.46 | 17,371 |
| The Vikings! | 0 | - | 4.46 | 28,290 |
| The Portuguese Empire | 0 | - | 4.58 | 12,032 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,468 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,083 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,086 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,279 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,927 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,560 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,695 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,486 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,822 |
| Medieval English History | 0 | - | 4.53 | 43,412 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,056 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,902 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,077 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,026 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,624 |
| England or Wales? | 0 | - | 4.94 | 45,506 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,321 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,155 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,279 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,161 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,735 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,680 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,543 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,901 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,841 |
| Germany A-Z | 0 | - | 4.56 | 62,475 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,107 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,858 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,779 |
| History of Germany | 0 | - | 4.39 | 52,731 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,730 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,315 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,322 |
| Iceland... or Ireland? | 0 | - | 4.74 | 56,906 |
| Which City in Italy? | 0 | - | 4.64 | 89,764 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,183 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,557 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,970 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,644 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,679 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,162 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 79,921 |
| Roald Dahl Books | 0 | - | 4.44 | 33,982 |
| Shakespearean Phrases | 0 | - | 4.57 | 36,622 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,272 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 492,292 |
| Middle Earth Geography | 0 | - | 4.56 | 39,633 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,034 |
