| Olympian Gods Quiz | 0 | - | 4.96 | 500,156 |
| Ancient Greek Words | 0 | - | 4.93 | 111,442 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,418 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,615 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,791 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,048 |
| Byzantine History | 0 | - | 4.91 | 28,771 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,669 |
| Roman to Greek God | 0 | - | 4.52 | 122,709 |
| Roman History by Picture | 0 | - | 4.46 | 26,444 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,586 |
| Name that Greek Letter | 0 | - | 4.93 | 323,241 |
| Mythology A-Z | 0 | - | 4.31 | 37,191 |
| The Trojan War | 0 | - | 4.83 | 39,672 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,650 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,919 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,692 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,694 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,583 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,009 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 79,598 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,424 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,812 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,717 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,581 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,683 |
| Italy Country Quiz | 0 | - | 4.82 | 123,284 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,194 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,878 |
| Name the English Monarchs | 0 | - | 4.91 | 501,919 |
| Europe Map Quiz | 0 | - | 5.00 | 4,758,169 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,764 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,561 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,794 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,854 |
| Prime Ministers of the UK | 0 | - | 4.95 | 438,265 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,789 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,438 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,957 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,887 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,366 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,458 |
| Roman Emperors | 0 | - | 4.95 | 119,771 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,174 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,549 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,626 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,177 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,878 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,542 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,314 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,718 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,241,560 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,044 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,978 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,521 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,064 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,362 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,047 |
| The Only European Country ... | 0 | - | 4.91 | 216,234 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,138 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,005 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,903 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,111 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,914 |
| Slavic Countries | 0 | - | 4.96 | 111,547 |
| History of Russia Quiz | 0 | - | 4.49 | 31,898 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,563 |
| History of Italy | 0 | - | 4.55 | 31,954 |
| Italy A-Z | 0 | - | 4.49 | 58,214 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,634 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,191 |
| Counties of England | 0 | - | 4.97 | 795,487 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,817 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,627 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,243 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,603 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,076 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,738 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,353 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,069 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,604 |
| Monarchies of Europe | 0 | - | 4.90 | 98,017 |
| European Countries with One Border | 0 | - | 4.97 | 182,602 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,422 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,090 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,672 |
| Countries That Border Russia | 0 | - | 4.98 | 461,348 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,790 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,251 |
| Countries Bordering France | 0 | - | 4.83 | 402,128 |
| History of France | 0 | - | 4.59 | 56,903 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,657 |
| States of Germany | 0 | - | 4.96 | 152,145 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,942 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,255 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,793 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,485 |
| Regions of Italy | 0 | - | 4.92 | 75,691 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,007 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,758 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,097 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,911 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,318 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,374 |
| Geography of the British Empire | 0 | - | 4.48 | 39,640 |
| Champions League Winners | 0 | - | 4.92 | 1,005,190 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,705 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,691,822 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,623 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,009 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,866 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,071 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,319 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,384 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,859 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,486 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,869 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,905 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,389 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,483 |
| Countries that Border Poland | 0 | - | 4.99 | 172,142 |
| Russia Country Quiz | 0 | - | 4.85 | 114,359 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,769 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,462 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,281 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,135 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,314 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,312 |
| History of Austria | 0 | - | 4.70 | 17,849 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,739 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,643 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,229 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,561 |
| Departments of France | 0 | - | 4.93 | 53,943 |
| Geography of the French Empire | 0 | - | 4.45 | 27,039 |
| The French Revolution | 0 | - | 4.46 | 23,918 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,818 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,122 |
| French History Multiple Choice | 0 | - | 4.55 | 33,011 |
| Germany Country Quiz | 0 | - | 4.82 | 157,693 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,980 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 23,466 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,328 |
| Counties of Ireland | 0 | - | 4.92 | 194,915 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,280 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,529 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,710 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,876 |
| Roman Names for Places | 0 | - | 4.62 | 58,223 |
| History of The Netherlands | 0 | - | 4.46 | 17,422 |
| The Vikings! | 0 | - | 4.46 | 28,333 |
| The Portuguese Empire | 0 | - | 4.58 | 12,054 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,791 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,480 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,138 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,778 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,371 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,388 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,759 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,614 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,997 |
| Medieval English History | 0 | - | 4.53 | 43,484 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,115 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,931 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,581 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,752 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,675 |
| England or Wales? | 0 | - | 4.94 | 45,633 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,066 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,195 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,523 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,332 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,824 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,759 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,105 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,923 |
| Germany A-Z | 0 | - | 4.56 | 62,562 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,385 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,195 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,959 |
| History of Germany | 0 | - | 4.39 | 52,793 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,780 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,334 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,408 |
| Iceland... or Ireland? | 0 | - | 4.74 | 57,001 |
| Which City in Italy? | 0 | - | 4.68 | 90,061 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,459 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,701 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,202 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,754 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,831 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,445 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,243 |
| Roald Dahl Books | 0 | - | 4.44 | 34,045 |
| Shakespearean Phrases | 0 | - | 4.57 | 36,717 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,353 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 493,093 |
| Middle Earth Geography | 0 | - | 4.56 | 39,780 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,411 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,799 |
