| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,678 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,639 |
| Byzantine History | 0 | - | 4.91 | 28,629 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,454 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,030 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,068 |
| Roman Emperors | 0 | - | 4.95 | 118,531 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,527 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,039 |
| Roman to Greek God | 0 | - | 4.52 | 122,241 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,467 |
| Ancient Greek Words | 0 | - | 4.92 | 110,729 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,000 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,460 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,464 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,153 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,049 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,177 |
| Regions of Italy | 0 | - | 4.92 | 74,768 |
| History of Italy | 0 | - | 4.55 | 31,826 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,544 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,683 |
| Roman Names for Places | 0 | - | 4.62 | 57,891 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,656,296 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,541 |
| Italy Country Quiz | 0 | - | 4.82 | 122,262 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,439 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,378 |
| Roman History by Picture | 0 | - | 4.46 | 26,346 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,784 |
| Name the English Monarchs | 0 | - | 4.92 | 498,115 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,512 |
| The Trojan War | 0 | - | 4.83 | 39,447 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,118 |
| Name that Greek Letter | 0 | - | 4.94 | 321,749 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,600 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,472 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,896 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,371 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,117 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,399 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,155 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,543 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,814 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,331 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,162 |
| 101 Figures from Greek Mythology | 0 | - | 5.00 | 124,364 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,977 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,401 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,961 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,490 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,077 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,380 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,396 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,143 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,639 |
| The Only European Country ... | 0 | - | 4.91 | 213,951 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,617 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,792 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,404 |
| History of Russia Quiz | 0 | - | 4.49 | 31,797 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,511 |
| 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 | 789,493 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,486 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 280,158 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,143 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,150 |
| 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 | 191,734 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,326 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,063 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,427 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,433 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,496 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,921 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,912 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,023 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,853 |
| Monarchies of Europe | 0 | - | 4.90 | 97,353 |
| European Countries with One Border | 0 | - | 4.97 | 181,674 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,574 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,294 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,299 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,228 |
| Slavic Countries | 0 | - | 4.96 | 110,888 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,084 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,234 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,231 |
| History of France | 0 | - | 4.59 | 56,103 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,754 |
| States of Germany | 0 | - | 4.96 | 150,163 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,056 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,234 |
| Countries of the German Empire | 0 | - | 4.51 | 37,672 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,045 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,322 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,851 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,411 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,225 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,014 |
| 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 | 112,713 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,193 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,825 |
| Geography of the British Empire | 0 | - | 4.48 | 39,485 |
| Champions League Winners | 0 | - | 4.92 | 996,782 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,944 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,884 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,689 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,318 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,277 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,144 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,800 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,871 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,857 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,638 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,314 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,243 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,005 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,938 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,301 |
| Countries that Border Poland | 0 | - | 4.99 | 171,400 |
| Russia Country Quiz | 0 | - | 4.85 | 113,672 |
| Countries That Border Russia | 0 | - | 4.98 | 459,005 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,396 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,573 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,872 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,718 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,050 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,777 |
| History of Austria | 0 | - | 4.70 | 17,758 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,527 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,808 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,259 |
| Departments of France | 0 | - | 4.93 | 52,864 |
| 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 | 45,552 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,823 |
| Countries Bordering France | 0 | - | 4.83 | 399,475 |
| French History Multiple Choice | 0 | - | 4.55 | 32,882 |
| Germany Country Quiz | 0 | - | 4.82 | 156,612 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,191 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,388 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,144 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,411 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,782 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,774 |
| Mythology A-Z | 0 | - | 4.31 | 37,011 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,936 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,445 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.53 | 56,182 |
| Counties of Ireland | 0 | - | 4.92 | 193,149 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,119 |
| Italian History A-Z | 0 | - | 4.21 | 17,436 |
| The Vikings! | 0 | - | 4.46 | 28,248 |
| The Portuguese Empire | 0 | - | 4.54 | 11,995 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,112 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,698 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,034 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,364 |
| Arthurian Legend | 0 | - | 4.33 | 25,050 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,348 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,696 |
| Shakespeare's Plays Quiz | 0 | - | 4.38 | 385,850 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 377,342 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,309 |
| Medieval English History | 0 | - | 4.53 | 43,328 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,967 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,841 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,776 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,791 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,504 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,365 |
| England or Wales? | 0 | - | 4.94 | 45,339 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,552 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,312 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,972 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,985 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,988 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,544 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,032 |
| Presidential Middle Names | 0 | - | 4.41 | 59,724 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,760 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 93,849 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,181 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,097 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,931 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 95,921 |
| 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 | 46,621 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,707 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,808 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,419 |
