| Two Letter Roman Numerals | 0 | - | 4.97 | 56,013 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,623 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,351 |
| Byzantine History | 0 | - | 4.91 | 28,756 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,540 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,421 |
| Roman Emperors | 0 | - | 4.95 | 119,663 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,390 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,578 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,478 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,877 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,572 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,900 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,136 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,304 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,712 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,622 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,689 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,538 |
| Ancient Greek Words | 0 | - | 4.93 | 111,361 |
| Regions of Italy | 0 | - | 4.92 | 75,570 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,698 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,863 |
| Roman Names for Places | 0 | - | 4.62 | 58,187 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,688,466 |
| Italy Country Quiz | 0 | - | 4.82 | 123,217 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,145 |
| History of Italy | 0 | - | 4.55 | 31,936 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,517 |
| Roman History by Picture | 0 | - | 4.46 | 26,439 |
| Name the English Monarchs | 0 | - | 4.91 | 501,552 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,878 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,156 |
| Name that Greek Letter | 0 | - | 4.93 | 323,104 |
| Mythology A-Z | 0 | - | 4.31 | 37,169 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,759 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,727 |
| Prime Ministers of the UK | 0 | - | 4.95 | 437,901 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,547 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,404 |
| The Trojan War | 0 | - | 4.83 | 39,654 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,549 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,556 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,256 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,321 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,058 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,167 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 492,958 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,563 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,990 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,851 |
| The Only European Country ... | 0 | - | 4.91 | 216,020 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,790 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,756 |
| Roman to Greek God | 0 | - | 4.52 | 122,659 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,757 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,129 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 37,704 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,684 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,467 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,241 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,180 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,389 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,439 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,986 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,194 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,992 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,000 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,696 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,064 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,254 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,012 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,736 |
| Slavic Countries | 0 | - | 4.96 | 111,499 |
| History of Russia Quiz | 0 | - | 4.49 | 31,882 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,229 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,667 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,615 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,168 |
| Counties of England | 0 | - | 4.97 | 794,903 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,797 |
| Lord of the Rings Decoder | 0 | - | 4.59 | 42,556 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,595 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,397 |
| Champions League Winners | 0 | - | 4.92 | 1,003,975 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,175 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,626 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,462 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,853 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,914 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,800 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,673 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,265 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,930 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,515 |
| Monarchies of Europe | 0 | - | 4.90 | 97,969 |
| European Countries with One Border | 0 | - | 4.97 | 182,528 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,328 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,651 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,316 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 77,985 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,705 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,021 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,370 |
| Russia Country Quiz | 0 | - | 4.85 | 114,289 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,428 |
| Countries That Border Russia | 0 | - | 4.98 | 461,141 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,243 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,737 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,297 |
| History of Austria | 0 | - | 4.70 | 17,835 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,170 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,471 |
| Departments of France | 0 | - | 4.93 | 53,815 |
| Geography of the French Empire | 0 | - | 4.45 | 27,026 |
| The French Revolution | 0 | - | 4.46 | 23,903 |
| Countries Bordering France | 0 | - | 4.83 | 401,922 |
| History of France | 0 | - | 4.59 | 56,844 |
| Germany Country Quiz | 0 | - | 4.82 | 157,598 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,559 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,893 |
| States of Germany | 0 | - | 4.96 | 151,960 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,464 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,900 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,648 |
| Countries of the German Empire | 0 | - | 4.51 | 37,871 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,942 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,876 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,827 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,088 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,909 |
| The Vikings! | 0 | - | 4.46 | 28,319 |
| The Portuguese Empire | 0 | - | 4.58 | 12,048 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,663 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,659 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,391 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,025 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,662 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,245 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,307 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,312 |
| Geography of the British Empire | 0 | - | 4.48 | 39,631 |
| Medieval English History | 0 | - | 4.53 | 43,464 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,711 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,661 |
| England or Wales? | 0 | - | 4.94 | 45,609 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,918 |
| Countries of the Popes | 0 | - | 4.79 | 127,880 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,812 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,024 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,436 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,525 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,047 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,281 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,349 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,794 |
| Countries that Border Poland | 0 | - | 4.99 | 172,062 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,725 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,476 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,282 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,098 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,258 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,720 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,191 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,794 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,091 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,070 |
| French History Multiple Choice | 0 | - | 4.55 | 33,002 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,121 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,135 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,919 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,481 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,608 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,526 |
| Counties of Ireland | 0 | - | 4.92 | 194,687 |
| Italy A-Z | 0 | - | 4.49 | 58,165 |
| Italian History A-Z | 0 | - | 4.21 | 17,675 |
| History of The Netherlands | 0 | - | 4.46 | 17,407 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,390 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,152 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,126 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,651 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,790 |
| Arthurian Legend | 0 | - | 4.33 | 25,096 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,381 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,195 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,337 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 378,504 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,745 |
| British History A-Z #1 | 0 | - | 4.45 | 46,404 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,581 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,591 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,106 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,925 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,475 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,222 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,838 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,323 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,700 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 400,372 |
