| Two Letter Roman Numerals | 0 | - | 4.97 | 56,272 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,804 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,916 |
| Byzantine History | 0 | - | 4.91 | 28,913 |
| Byzantine Emperors | 0 | - | 4.92 | 14,353 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 103,210 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,643 |
| Roman Emperors | 0 | - | 4.95 | 120,370 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,556 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,198 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,838 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,676 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,187 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,642 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,722 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,300 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,069 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,301 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,123 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,683 |
| Ancient Greek Words | 0 | - | 4.93 | 111,892 |
| Regions of Italy | 0 | - | 4.92 | 76,217 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,785 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,987 |
| Roman Names for Places | 0 | - | 4.62 | 58,394 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,707,496 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,637 |
| History of Italy | 0 | - | 4.55 | 32,052 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,612 |
| Roman History by Picture | 0 | - | 4.46 | 26,496 |
| Name the English Monarchs | 0 | - | 4.91 | 503,847 |
| Europe Map Quiz | 0 | - | 5.00 | 4,770,362 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,767 |
| Name that Greek Letter | 0 | - | 4.93 | 324,144 |
| Mythology A-Z | 0 | - | 4.31 | 37,280 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,015 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,320 |
| Prime Ministers of the UK | 0 | - | 4.95 | 439,994 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,981 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,573 |
| The Trojan War | 0 | - | 4.83 | 39,795 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,222 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,478 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,408 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,643 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,121 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,202 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 493,791 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,527 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,998 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,649 |
| The Only European Country ... | 0 | - | 4.91 | 217,347 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,550 |
| Roman to Greek God | 0 | - | 4.52 | 123,010 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,999 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,408 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 37,969 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,953 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,063 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,272 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,248,224 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,572 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,900 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,416 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,331 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,344 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,194 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,881 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,695 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,835 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,542 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,384 |
| Slavic Countries | 0 | - | 4.96 | 111,873 |
| History of Russia Quiz | 0 | - | 4.47 | 31,947 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,374 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,872 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,718 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,294 |
| Counties of England | 0 | - | 4.97 | 798,721 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,952 |
| Lord of the Rings Decoder | 0 | - | 4.61 | 42,690 |
| 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 | 358,071 |
| Champions League Winners | 0 | - | 4.92 | 1,009,681 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,363 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,071 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,758 |
| Prime Ministers of Australia | 0 | - | 4.50 | 32,000 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,310 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,240 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,030 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,827 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,675 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,972 |
| Monarchies of Europe | 0 | - | 4.90 | 98,339 |
| European Countries with One Border | 0 | - | 4.97 | 183,100 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,880 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,871 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,335 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 85,768 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,593 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,947 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,009 |
| Russia Country Quiz | 0 | - | 4.83 | 114,684 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,956 |
| Countries That Border Russia | 0 | - | 4.98 | 462,775 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,462 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,081 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,411 |
| History of Austria | 0 | - | 4.70 | 17,901 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,764 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,785 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,115 |
| Departments of France | 0 | - | 4.93 | 54,442 |
| Geography of the French Empire | 0 | - | 4.45 | 27,154 |
| The French Revolution | 0 | - | 4.47 | 24,057 |
| Countries Bordering France | 0 | - | 4.83 | 403,497 |
| History of France | 0 | - | 4.59 | 57,265 |
| Germany Country Quiz | 0 | - | 4.83 | 158,156 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,134 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,604 |
| States of Germany | 0 | - | 4.95 | 153,143 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,273 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,616 |
| Countries of the German Empire | 0 | - | 4.51 | 38,011 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,071 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,947 |
| Italy Country Quiz | 0 | - | 4.77 | 123,584 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,384 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,124 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,407 |
| The Vikings! | 0 | - | 4.46 | 28,368 |
| The Portuguese Empire | 0 | - | 4.58 | 12,082 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,105 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,356 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,190 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,387 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,143 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,966 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,402 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,655 |
| Geography of the British Empire | 0 | - | 4.48 | 39,733 |
| Medieval English History | 0 | - | 4.53 | 43,569 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,777 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,746 |
| England or Wales? | 0 | - | 4.94 | 45,793 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,418 |
| Countries of the Popes | 0 | - | 4.79 | 128,326 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,966 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,453 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,700 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,051 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,178 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,505 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,623 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,351 |
| Countries that Border Poland | 0 | - | 4.99 | 172,588 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,973 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,049 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,460 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,411 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,653 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,850 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,650 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,959 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,279 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,354 |
| French History Multiple Choice | 0 | - | 4.55 | 33,117 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,712 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,319 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,187 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,875 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,707 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,746 |
| Counties of Ireland | 0 | - | 4.92 | 196,021 |
| Italy A-Z | 0 | - | 4.49 | 58,428 |
| Italian History A-Z | 0 | - | 4.21 | 17,736 |
| History of The Netherlands | 0 | - | 4.46 | 17,481 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,729 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,504 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,216 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,334 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,058 |
| Arthurian Legend | 0 | - | 4.33 | 25,131 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,721 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,238 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,410 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 379,099 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,840 |
| British History A-Z #1 | 0 | - | 4.45 | 46,576 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,760 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,795 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,202 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,998 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,743 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,334 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,851 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,788 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,992 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 402,674 |
