| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,282 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,702 |
| Byzantine History | 0 | - | 4.91 | 28,660 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,251 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,354 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,146 |
| Roman Emperors | 0 | - | 4.95 | 118,730 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,718 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,085 |
| Roman to Greek God | 0 | - | 4.52 | 122,334 |
| Ancient Greek Words | 0 | - | 4.92 | 110,877 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,176 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,624 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,644 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,300 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,184 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,238 |
| Regions of Italy | 0 | - | 4.92 | 74,926 |
| History of Italy | 0 | - | 4.55 | 31,858 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,577 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,733 |
| Roman Names for Places | 0 | - | 4.62 | 57,946 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,662,992 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,630 |
| Italy Country Quiz | 0 | - | 4.82 | 122,425 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,588 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,402 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,487 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,928 |
| Name the English Monarchs | 0 | - | 4.92 | 498,887 |
| Europe Map Quiz | 0 | - | 5.00 | 4,737,434 |
| The Trojan War | 0 | - | 4.83 | 39,484 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,063 |
| Name that Greek Letter | 0 | - | 4.94 | 322,014 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,817 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,543 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,993 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,582 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,120 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,490 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,646 |
| Prime Ministers of the UK | 0 | - | 4.96 | 435,431 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,770 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,216 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,645 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,048 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,988 |
| Roman History by Picture | 0 | - | 4.46 | 26,364 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,769 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,413 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,230,002 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,705 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,417 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,894 |
| The Only European Country ... | 0 | - | 4.91 | 214,394 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,892 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,959 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,573 |
| History of Russia Quiz | 0 | - | 4.49 | 31,811 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,816 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,515 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,020 |
| Counties of England | 0 | - | 4.97 | 790,536 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,629 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 280,364 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,235 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,029 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,923 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,491 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,890 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,470 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,165 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,789 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,603 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,610 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,134 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,284 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,664 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,975 |
| Monarchies of Europe | 0 | - | 4.90 | 97,484 |
| European Countries with One Border | 0 | - | 4.97 | 181,830 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,729 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,476 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,449 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,349 |
| Slavic Countries | 0 | - | 4.96 | 111,013 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,563 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,326 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,435 |
| History of France | 0 | - | 4.59 | 56,326 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,945 |
| States of Germany | 0 | - | 4.96 | 150,527 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,166 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,450 |
| Countries of the German Empire | 0 | - | 4.51 | 37,718 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,054 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,338 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,955 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,616 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,488 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,163 |
| Shakespeare Quotes | 0 | - | 4.43 | 71,189 |
| Lord of the Rings Decoder | 0 | - | 4.59 | 42,306 |
| Lord of the Rings Characters | 0 | - | 4.54 | 112,765 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,227 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,956 |
| Geography of the British Empire | 0 | - | 4.48 | 39,529 |
| Champions League Winners | 0 | - | 4.92 | 998,130 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,084 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,974 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,736 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,475 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,391 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,265 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,844 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,948 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,954 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,982 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,601 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,511 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,162 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,536 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,493 |
| Countries that Border Poland | 0 | - | 4.99 | 171,550 |
| Russia Country Quiz | 0 | - | 4.85 | 113,804 |
| Countries That Border Russia | 0 | - | 4.98 | 459,644 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,462 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,938 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,961 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,803 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,107 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,886 |
| History of Austria | 0 | - | 4.70 | 17,775 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,563 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,894 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,414 |
| Departments of France | 0 | - | 4.93 | 53,024 |
| Geography of the French Empire | 0 | - | 4.45 | 26,963 |
| The French Revolution | 0 | - | 4.46 | 23,819 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,603 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,882 |
| Countries Bordering France | 0 | - | 4.83 | 400,365 |
| French History Multiple Choice | 0 | - | 4.55 | 32,904 |
| Germany Country Quiz | 0 | - | 4.82 | 156,823 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,353 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,403 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,473 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,790 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,820 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,802 |
| Mythology A-Z | 0 | - | 4.31 | 37,047 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,040 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,485 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,238 |
| Counties of Ireland | 0 | - | 4.92 | 193,472 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,275 |
| Italian History A-Z | 0 | - | 4.21 | 17,584 |
| The Vikings! | 0 | - | 4.46 | 28,261 |
| The Portuguese Empire | 0 | - | 4.54 | 12,005 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,218 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,822 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,057 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,885 |
| Arthurian Legend | 0 | - | 4.33 | 25,060 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,554 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,019 |
| Shakespeare's Plays Quiz | 0 | - | 4.38 | 386,216 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 377,511 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,644 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,374 |
| Medieval English History | 0 | - | 4.53 | 43,350 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,992 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,861 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,893 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,876 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,578 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,984 |
| England or Wales? | 0 | - | 4.94 | 45,403 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,792 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,444 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,048 |
| U.S. Vice Presidents | 0 | - | 4.41 | 135,286 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,092 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,685 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,133 |
| Presidential Middle Names | 0 | - | 4.41 | 59,795 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,841 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 93,948 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,216 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,115 |
| Countries that Beat Russia | 0 | - | 4.84 | 82,051 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,002 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,672 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,596 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,460 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,701 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,759 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,895 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,576 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,581 |
