| Olympian Gods Quiz | 0 | - | 4.96 | 501,756 |
| Ancient Greek Words | 0 | - | 4.93 | 111,875 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,551 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,652 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,993 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,265 |
| Byzantine History | 0 | - | 4.91 | 28,911 |
| Byzantine Emperors | 0 | - | 4.92 | 14,349 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,186 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,836 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.98 | 74,559 |
| Roman to Greek God | 0 | - | 4.52 | 122,998 |
| Roman History by Picture | 0 | - | 4.46 | 26,493 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,691 |
| Name that Greek Letter | 0 | - | 4.93 | 324,121 |
| Mythology A-Z | 0 | - | 4.31 | 37,278 |
| The Trojan War | 0 | - | 4.83 | 39,793 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,200 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,173 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,869 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,458 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,641 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,699 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,216 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,048 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,288 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,110 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,879 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 103,200 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,628 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,281 |
| Name the English Monarchs | 0 | - | 4.91 | 503,785 |
| Europe Map Quiz | 0 | - | 5.00 | 4,769,873 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,737 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,011 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,306 |
| Prime Ministers of the UK | 0 | - | 4.95 | 439,938 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,931 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,566 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,067 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,945 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,629 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,640 |
| Roman Emperors | 0 | - | 4.95 | 120,365 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,972 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,865 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,703 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,404 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,924 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,044 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,466 |
| Premier League Relegated Teams | 0 | - | 4.81 | 126,855 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,503 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,248,008 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,490 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,634 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,892 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,406 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,301 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,337 |
| The Only European Country ... | 0 | - | 4.91 | 217,319 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,146 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,797 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,525 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,531 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,371 |
| Slavic Countries | 0 | - | 4.96 | 111,863 |
| History of Russia Quiz | 0 | - | 4.47 | 31,946 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,682 |
| History of Italy | 0 | - | 4.55 | 32,048 |
| Italy A-Z | 0 | - | 4.49 | 58,420 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,716 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,292 |
| Counties of England | 0 | - | 4.97 | 798,625 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,947 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,711 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,272 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,621 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 357,959 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,026 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,813 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,658 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,965 |
| Monarchies of Europe | 0 | - | 4.90 | 98,326 |
| European Countries with One Border | 0 | - | 4.97 | 183,090 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,866 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 85,265 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,934 |
| Countries That Border Russia | 0 | - | 4.98 | 462,743 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,075 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,768 |
| Countries Bordering France | 0 | - | 4.83 | 403,456 |
| History of France | 0 | - | 4.59 | 57,251 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,120 |
| States of Germany | 0 | - | 4.95 | 153,098 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,256 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,373 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,571 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,518 |
| Regions of Italy | 0 | - | 4.92 | 76,202 |
| Italy Country Quiz | 0 | - | 4.77 | 123,577 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,399 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,335 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,382 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,132 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,398 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,643 |
| Geography of the British Empire | 0 | - | 4.48 | 39,733 |
| Champions League Winners | 0 | - | 4.92 | 1,009,522 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,063 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,707,080 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,043 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,285 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,222 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,176 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,499 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,605 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,840 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,317 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,568 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,334 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,900 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,998 |
| Countries that Border Poland | 0 | - | 4.99 | 172,573 |
| Russia Country Quiz | 0 | - | 4.83 | 114,676 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,965 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,422 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,455 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,398 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,408 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,641 |
| History of Austria | 0 | - | 4.70 | 17,900 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,845 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,757 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,642 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,093 |
| Departments of France | 0 | - | 4.93 | 54,413 |
| Geography of the French Empire | 0 | - | 4.45 | 27,152 |
| The French Revolution | 0 | - | 4.47 | 24,054 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,955 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,275 |
| French History Multiple Choice | 0 | - | 4.55 | 33,116 |
| Germany Country Quiz | 0 | - | 4.83 | 158,142 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,586 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,276 |
| Counties of Ireland | 0 | - | 4.92 | 195,943 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,404 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,609 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,785 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,986 |
| Roman Names for Places | 0 | - | 4.62 | 58,389 |
| History of The Netherlands | 0 | - | 4.46 | 17,476 |
| The Vikings! | 0 | - | 4.46 | 28,368 |
| The Portuguese Empire | 0 | - | 4.58 | 12,081 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,093 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,162 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,215 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,321 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,946 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,211 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,838 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,755 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 62,239 |
| Medieval English History | 0 | - | 4.53 | 43,565 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,200 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,997 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,782 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,981 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,741 |
| England or Wales? | 0 | - | 4.94 | 45,787 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,942 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,266 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,039 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,524 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,920 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,876 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,348 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,018 |
| Germany A-Z | 0 | - | 4.56 | 62,690 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,654 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,704 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,175 |
| History of Germany | 0 | - | 4.39 | 52,889 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,832 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,369 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,500 |
| Iceland... or Ireland? | 0 | - | 4.74 | 57,094 |
| Which City in Italy? | 0 | - | 4.68 | 90,282 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,722 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,975 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,494 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,838 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,050 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,711 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,517 |
| Roald Dahl Books | 0 | - | 4.44 | 34,078 |
| Shakespearean Phrases | 0 | - | 4.57 | 36,770 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,409 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 493,729 |
| Middle Earth Geography | 0 | - | 4.56 | 39,870 |
