| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,541 |
| Ancient Greek Words | 0 | - | 4.92 | 110,827 |
| The Trojan War | 0 | - | 4.83 | 39,475 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,739 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,007 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,798 |
| Name that Greek Letter | 0 | - | 4.94 | 321,909 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,676 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,070 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,994 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,711 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,241 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,097 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,554 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,590 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,233 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,139 |
| Mythology A-Z | 0 | - | 4.31 | 37,027 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,684 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,442 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,602 |
| Name the English Monarchs | 0 | - | 4.92 | 498,659 |
| Europe Map Quiz | 0 | - | 5.00 | 4,735,600 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,475 |
| Roman History by Picture | 0 | - | 4.46 | 26,355 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,643 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,609 |
| Prime Ministers of the UK | 0 | - | 4.96 | 435,205 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,615 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,195 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,807 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,297 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,796 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,122 |
| Roman Emperors | 0 | - | 4.95 | 118,655 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,614 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,474 |
| Roman to Greek God | 0 | - | 4.52 | 122,307 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,761 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,374 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,471 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,030 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,294 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,229,093 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,038 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,784 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,837 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,420 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,650 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,572 |
| The Only European Country ... | 0 | - | 4.91 | 214,224 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,152 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,476 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,798 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,399 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,316 |
| Slavic Countries | 0 | - | 4.96 | 110,975 |
| History of Russia Quiz | 0 | - | 4.49 | 31,804 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,012 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,333 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,218 |
| History of Italy | 0 | - | 4.55 | 31,850 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,883 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,065 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,503 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,011 |
| Counties of England | 0 | - | 4.97 | 790,194 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,607 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,225 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,413 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,205 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,558 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,681 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,454 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,125 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,545 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,053 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,929 |
| Monarchies of Europe | 0 | - | 4.90 | 97,438 |
| European Countries with One Border | 0 | - | 4.97 | 181,773 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,668 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,412 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,444 |
| Countries That Border Russia | 0 | - | 4.98 | 459,491 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,294 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,368 |
| Countries Bordering France | 0 | - | 4.83 | 400,135 |
| History of France | 0 | - | 4.59 | 56,248 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,877 |
| States of Germany | 0 | - | 4.96 | 150,409 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,129 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,985 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,356 |
| Greece Country Quiz | 0 | - | 4.74 | 65,829 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,432 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,217 |
| Regions of Italy | 0 | - | 4.92 | 74,879 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,923 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,547 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,447 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,142 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,219 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,912 |
| Geography of the British Empire | 0 | - | 4.48 | 39,521 |
| Champions League Winners | 0 | - | 4.92 | 997,655 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,038 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,660,531 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,418 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,344 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,220 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,830 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,926 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,919 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,848 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,478 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,412 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,107 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,312 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,422 |
| Countries that Border Poland | 0 | - | 4.99 | 171,487 |
| Russia Country Quiz | 0 | - | 4.85 | 113,766 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,437 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,828 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,935 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,773 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,091 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,852 |
| History of Austria | 0 | - | 4.70 | 17,769 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,549 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,858 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,373 |
| Departments of France | 0 | - | 4.93 | 52,976 |
| Geography of the French Empire | 0 | - | 4.45 | 26,955 |
| The French Revolution | 0 | - | 4.46 | 23,810 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,588 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,865 |
| French History Multiple Choice | 0 | - | 4.55 | 32,898 |
| Germany Country Quiz | 0 | - | 4.82 | 156,757 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,298 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,399 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,649 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,642 |
| Counties of Ireland | 0 | - | 4.92 | 193,342 |
| Italy Country Quiz | 0 | - | 4.82 | 122,364 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,544 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,219 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,515 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,030 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,485 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,395 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,567 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,722 |
| Roman Names for Places | 0 | - | 4.62 | 57,927 |
| Byzantine History | 0 | - | 4.91 | 28,653 |
| History of The Netherlands | 0 | - | 4.46 | 17,335 |
| The Vikings! | 0 | - | 4.46 | 28,259 |
| The Portuguese Empire | 0 | - | 4.54 | 12,003 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,186 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,774 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,051 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,645 |
| Arthurian Legend | 0 | - | 4.33 | 25,056 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,507 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,913 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,635 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,358 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,610 |
| Medieval English History | 0 | - | 4.53 | 43,343 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,983 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,855 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,845 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,851 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,565 |
| England or Wales? | 0 | - | 4.94 | 45,383 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,712 |
| Egyptian Gods and Goddesses | 0 | - | 4.43 | 27,411 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,109 |
| Countries that Beat Russia | 0 | - | 4.84 | 82,004 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 95,969 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,665 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,581 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,448 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,679 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,749 |
| Germany A-Z | 0 | - | 4.56 | 62,357 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,866 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,517 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,551 |
| History of Germany | 0 | - | 4.39 | 52,654 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,696 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,251 |
| Iceland... or Ireland? | 0 | - | 4.74 | 56,815 |
| Italy A-Z | 0 | - | 4.49 | 57,816 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,961 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,938 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,400 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,762 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,540 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,531 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,927 |
