| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,690 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,642 |
| Byzantine History | 0 | - | 4.91 | 28,631 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,501 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,050 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,072 |
| Roman Emperors | 0 | - | 4.95 | 118,539 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,530 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,042 |
| Roman to Greek God | 0 | - | 4.52 | 122,244 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,467 |
| Ancient Greek Words | 0 | - | 4.92 | 110,734 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,004 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,465 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,470 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,161 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,057 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,179 |
| Regions of Italy | 0 | - | 4.92 | 74,776 |
| History of Italy | 0 | - | 4.55 | 31,828 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,545 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,686 |
| Roman Names for Places | 0 | - | 4.62 | 57,894 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,656,574 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,542 |
| Italy Country Quiz | 0 | - | 4.82 | 122,268 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,447 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,380 |
| Roman History by Picture | 0 | - | 4.46 | 26,347 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,790 |
| Name the English Monarchs | 0 | - | 4.92 | 498,146 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,654 |
| The Trojan War | 0 | - | 4.83 | 39,447 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,148 |
| Name that Greek Letter | 0 | - | 4.94 | 321,761 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,610 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,473 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,900 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,374 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,117 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,402 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,158 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,546 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,832 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,347 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,163 |
| 101 Figures from Greek Mythology | 0 | - | 5.00 | 124,374 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,978 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,406 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,963 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,496 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,090 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,466 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,403 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,207 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,649 |
| The Only European Country ... | 0 | - | 4.91 | 213,963 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,626 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,798 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,410 |
| History of Russia Quiz | 0 | - | 4.49 | 31,798 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,520 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,491 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,989 |
| Counties of England | 0 | - | 4.97 | 789,535 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,505 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 280,165 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,146 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,182 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,870 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,354 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,739 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,332 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,066 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,438 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,443 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,499 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,929 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,918 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,037 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,855 |
| Monarchies of Europe | 0 | - | 4.90 | 97,359 |
| European Countries with One Border | 0 | - | 4.97 | 181,676 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,578 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,294 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,304 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,230 |
| Slavic Countries | 0 | - | 4.96 | 110,892 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,102 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,237 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,241 |
| History of France | 0 | - | 4.59 | 56,113 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,760 |
| States of Germany | 0 | - | 4.96 | 150,179 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,061 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,243 |
| Countries of the German Empire | 0 | - | 4.51 | 37,674 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,045 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,323 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,854 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,424 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,234 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,029 |
| Shakespeare Quotes | 0 | - | 4.43 | 71,135 |
| Lord of the Rings Decoder | 0 | - | 4.58 | 42,282 |
| Lord of the Rings Characters | 0 | - | 4.54 | 112,715 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,197 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,828 |
| Geography of the British Empire | 0 | - | 4.48 | 39,489 |
| Champions League Winners | 0 | - | 4.92 | 996,831 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,948 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,890 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,689 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,322 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,283 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,145 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,801 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,872 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,862 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,644 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,325 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,253 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,009 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,960 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,304 |
| Countries that Border Poland | 0 | - | 4.99 | 171,407 |
| Russia Country Quiz | 0 | - | 4.85 | 113,676 |
| Countries That Border Russia | 0 | - | 4.98 | 459,019 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,397 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,586 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,873 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,721 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,051 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,778 |
| History of Austria | 0 | - | 4.70 | 17,759 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,528 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,812 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,266 |
| Departments of France | 0 | - | 4.93 | 52,867 |
| Geography of the French Empire | 0 | - | 4.48 | 26,941 |
| The French Revolution | 0 | - | 4.46 | 23,790 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,554 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,825 |
| Countries Bordering France | 0 | - | 4.83 | 399,522 |
| French History Multiple Choice | 0 | - | 4.55 | 32,882 |
| Germany Country Quiz | 0 | - | 4.82 | 156,622 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,195 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,389 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,155 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,421 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,785 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,775 |
| Mythology A-Z | 0 | - | 4.31 | 37,011 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,940 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,445 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.53 | 56,184 |
| Counties of Ireland | 0 | - | 4.92 | 193,158 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,124 |
| Italian History A-Z | 0 | - | 4.21 | 17,444 |
| The Vikings! | 0 | - | 4.46 | 28,249 |
| The Portuguese Empire | 0 | - | 4.54 | 11,995 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,114 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,703 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,037 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,370 |
| Arthurian Legend | 0 | - | 4.33 | 25,050 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,356 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,705 |
| Shakespeare's Plays Quiz | 0 | - | 4.38 | 385,860 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 377,347 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,311 |
| Medieval English History | 0 | - | 4.53 | 43,330 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,968 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,841 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,779 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,795 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,518 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,390 |
| England or Wales? | 0 | - | 4.94 | 45,342 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,556 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,316 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,973 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,992 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,996 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,552 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,036 |
| Presidential Middle Names | 0 | - | 4.41 | 59,727 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,764 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 93,852 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,183 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,097 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,933 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 95,923 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,630 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,549 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,415 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,623 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,712 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,810 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,423 |
