| Two Letter Roman Numerals | 0 | - | 4.97 | 55,551 |
| Olympian Gods Quiz | 0 | - | 4.96 | 494,835 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,130 |
| Byzantine History | 0 | - | 4.91 | 28,584 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,354 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,979 |
| Roman Emperors | 0 | - | 4.95 | 118,297 |
| Famous Ancient Romans | 0 | - | 4.69 | 84,988 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,590 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,694 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,440 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,780 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,301 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,246 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 69,994 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 55,915 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,267 |
| Ancient Greek Words | 0 | - | 4.92 | 110,552 |
| Regions of Italy | 0 | - | 4.92 | 74,601 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,512 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,642 |
| Roman Names for Places | 0 | - | 4.62 | 57,822 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,648,964 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,484 |
| Italy Country Quiz | 0 | - | 4.82 | 122,083 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,258 |
| History of Italy | 0 | - | 4.55 | 31,800 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,342 |
| Roman History by Picture | 0 | - | 4.46 | 26,329 |
| Name the English Monarchs | 0 | - | 4.92 | 497,412 |
| Europe Map Quiz | 0 | - | 5.00 | 4,727,633 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,221 |
| Name that Greek Letter | 0 | - | 4.94 | 321,442 |
| Mythology A-Z | 0 | - | 4.31 | 36,962 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,370 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,178 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,138 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,876 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,099 |
| The Trojan War | 0 | - | 4.83 | 39,398 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,358 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,910 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,807 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,935 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,108 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,184 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,747 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,078 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,347 |
| The Only European Country ... | 0 | - | 4.91 | 213,517 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,335 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,657 |
| Roman to Greek God | 0 | - | 4.52 | 122,130 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,308 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,616 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,061 |
| Name Every Beatles Song | 0 | - | 4.97 | 233,827 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,200 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,191 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,289 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,650 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,588 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,201 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,056 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,406 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,579 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,554 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,568 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,211 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,153 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,072 |
| Slavic Countries | 0 | - | 4.96 | 110,775 |
| History of Russia Quiz | 0 | - | 4.49 | 31,772 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,900 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,122 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,464 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,962 |
| Counties of England | 0 | - | 4.97 | 788,398 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,357 |
| Lord of the Rings Decoder | 0 | - | 4.58 | 42,249 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,539 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,208 |
| Champions League Winners | 0 | - | 4.92 | 995,141 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,820 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,720 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,789 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,645 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,268 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,174 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,036 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,967 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,229 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,662 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,657 |
| Monarchies of Europe | 0 | - | 4.90 | 97,217 |
| European Countries with One Border | 0 | - | 4.97 | 181,466 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,974 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,239 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 273,984 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,128 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,915 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,309 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,043 |
| Russia Country Quiz | 0 | - | 4.85 | 113,564 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,622 |
| Countries That Border Russia | 0 | - | 4.98 | 458,559 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,794 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,101 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 34,999 |
| History of Austria | 0 | - | 4.70 | 17,735 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,006 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,064 |
| Departments of France | 0 | - | 4.93 | 52,678 |
| Geography of the French Empire | 0 | - | 4.48 | 26,912 |
| The French Revolution | 0 | - | 4.46 | 23,749 |
| Countries Bordering France | 0 | - | 4.85 | 396,707 |
| History of France | 0 | - | 4.59 | 55,891 |
| Germany Country Quiz | 0 | - | 4.82 | 156,405 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,563 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,060 |
| States of Germany | 0 | - | 4.96 | 149,803 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,372 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,916 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,713 |
| Countries of the German Empire | 0 | - | 4.51 | 37,623 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,741 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,751 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 150,985 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,032 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,738 |
| The Vikings! | 0 | - | 4.45 | 28,234 |
| The Portuguese Empire | 0 | - | 4.54 | 11,980 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,875 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,145 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,525 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,059 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,844 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,115 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,154 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,701 |
| Geography of the British Empire | 0 | - | 4.48 | 39,462 |
| Medieval English History | 0 | - | 4.53 | 43,292 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,582 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,393 |
| England or Wales? | 0 | - | 4.94 | 45,282 |
| Name the Popes Quiz | 0 | - | 4.47 | 136,967 |
| Countries of the Popes | 0 | - | 4.79 | 127,084 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,299 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,078 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,894 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,132 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,754 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,780 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,749 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,858 |
| Countries that Border Poland | 0 | - | 4.99 | 171,218 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,335 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,781 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,165 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,610 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,652 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,491 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,657 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,465 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,756 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,546 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,262 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,058 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,395 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,800 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,407 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.53 | 56,103 |
| Counties of Ireland | 0 | - | 4.92 | 192,811 |
| Italy A-Z | 0 | - | 4.49 | 57,632 |
| Italian History A-Z | 0 | - | 4.21 | 17,348 |
| History of The Netherlands | 0 | - | 4.46 | 17,297 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,755 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,598 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,000 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,137 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,402 |
| Arthurian Legend | 0 | - | 4.33 | 25,045 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,754 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,438 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,183 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 377,170 |
| British History A-Z #1 | 0 | - | 4.45 | 45,751 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,254 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,284 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,934 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,815 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,040 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,004 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,808 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,610 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,703 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 396,731 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,285 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,741 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,845 |
