| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,391 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,183 |
| Byzantine History | 0 | - | 4.91 | 28,882 |
| Byzantine Emperors | 0 | - | 4.92 | 14,238 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,176 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,142 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,570 |
| Roman Emperors | 0 | - | 4.95 | 120,167 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 102,979 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,495 |
| Roman to Greek God | 0 | - | 4.52 | 122,906 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,616 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,081 |
| Ancient Greek Words | 0 | - | 4.93 | 111,706 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,498 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 82,438 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,796 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,112 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,971 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,808 |
| Regions of Italy | 0 | - | 4.92 | 76,001 |
| History of Italy | 0 | - | 4.55 | 32,000 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,761 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,953 |
| Roman Names for Places | 0 | - | 4.62 | 58,324 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,701,745 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,475 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,562 |
| Roman History by Picture | 0 | - | 4.46 | 26,473 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,005 |
| Name the English Monarchs | 0 | - | 4.91 | 503,139 |
| Europe Map Quiz | 0 | - | 5.00 | 4,765,466 |
| The Trojan War | 0 | - | 4.83 | 39,752 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,941 |
| Name that Greek Letter | 0 | - | 4.93 | 323,889 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,965 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,901 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,541 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,140 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,187 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,174 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,928 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,339 |
| Prime Ministers of the UK | 0 | - | 4.95 | 439,373 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,419 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,517 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,150 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,359 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,927 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,095 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 493,500 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,200 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,245,431 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,633 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,327 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,376 |
| The Only European Country ... | 0 | - | 4.91 | 216,879 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,283 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,507 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,669 |
| History of Russia Quiz | 0 | - | 4.47 | 31,931 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.98 | 74,339 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,678 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,255 |
| Counties of England | 0 | - | 4.97 | 797,568 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,898 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 37,886 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 356,499 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,286 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,003 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,374 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,741 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,266 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,920 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,913 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,641 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,222 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,448 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,739 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,165 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,829 |
| Monarchies of Europe | 0 | - | 4.90 | 98,203 |
| European Countries with One Border | 0 | - | 4.97 | 182,885 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,678 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,706 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,376 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,268 |
| Slavic Countries | 0 | - | 4.96 | 111,731 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,523 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,951 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,541 |
| History of France | 0 | - | 4.59 | 57,084 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,916 |
| States of Germany | 0 | - | 4.95 | 152,779 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,121 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 144,737 |
| Countries of the German Empire | 0 | - | 4.51 | 37,966 |
| Italy Country Quiz | 0 | - | 4.80 | 123,463 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,114 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,473 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,253 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,085 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,258 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,046 |
| Shakespeare Quotes | 0 | - | 4.43 | 71,425 |
| Lord of the Rings Decoder | 0 | - | 4.59 | 42,643 |
| Lord of the Rings Characters | 0 | - | 4.54 | 113,360 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,365 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,551 |
| Geography of the British Empire | 0 | - | 4.48 | 39,702 |
| Champions League Winners | 0 | - | 4.92 | 1,007,569 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,932 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,655 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,959 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,878 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,193 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,092 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,130 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,424 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,511 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,467 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,027 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,258 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,154 |
| Random Point on Land to European Country | 0 | - | 4.94 | 77,249 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,350 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,813 |
| Countries that Border Poland | 0 | - | 4.99 | 172,347 |
| Russia Country Quiz | 0 | - | 4.83 | 114,555 |
| Countries That Border Russia | 0 | - | 4.98 | 461,963 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,888 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,083 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,389 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,272 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,364 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,469 |
| History of Austria | 0 | - | 4.70 | 17,871 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,798 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,710 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,363 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,859 |
| Departments of France | 0 | - | 4.93 | 54,229 |
| Geography of the French Empire | 0 | - | 4.45 | 27,104 |
| The French Revolution | 0 | - | 4.47 | 23,999 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,897 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,211 |
| Countries Bordering France | 0 | - | 4.83 | 402,744 |
| French History Multiple Choice | 0 | - | 4.55 | 33,075 |
| Germany Country Quiz | 0 | - | 4.83 | 157,957 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,422 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,595 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,928 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,026 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,930 |
| Mythology A-Z | 0 | - | 4.31 | 37,237 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,737 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,679 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,667 |
| Counties of Ireland | 0 | - | 4.92 | 195,511 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,132 |
| Italian History A-Z | 0 | - | 4.21 | 17,722 |
| The Vikings! | 0 | - | 4.46 | 28,353 |
| The Portuguese Empire | 0 | - | 4.58 | 12,071 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,987 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,741 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,188 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,107 |
| Arthurian Legend | 0 | - | 4.33 | 25,122 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,735 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,959 |
| Shakespeare's Plays Quiz | 0 | - | 4.37 | 388,342 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 378,903 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,812 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,701 |
| Medieval English History | 0 | - | 4.53 | 43,535 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,173 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,979 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.41 | 51,773 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,704 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,887 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,714 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 401,735 |
| England or Wales? | 0 | - | 4.94 | 45,728 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,515 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,309 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,611 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,789 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,562 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.62 | 93,859 |
| Presidential Middle Names | 0 | - | 4.41 | 60,318 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,385 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,625 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,451 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,233 |
| Russian History A-Z | 0 | - | 4.38 | 31,767 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,896 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,446 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,886 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,835 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,256 |
