| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,048 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,551 |
| Byzantine History | 0 | - | 4.91 | 29,033 |
| Byzantine Emperors | 0 | - | 4.93 | 14,626 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,041 |
| Figures from Greek Mythology | 0 | - | 4.91 | 189,014 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,638 |
| Roman Emperors | 0 | - | 4.95 | 121,318 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 104,056 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,806 |
| Roman to Greek God | 0 | - | 4.52 | 123,389 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,733 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,486 |
| Ancient Greek Words | 0 | - | 4.93 | 112,568 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,459 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,729 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,898 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 71,932 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,649 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 88,105 |
| Regions of Italy | 0 | - | 4.92 | 77,169 |
| History of Italy | 0 | - | 4.55 | 32,164 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,336 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,235 |
| Roman Names for Places | 0 | - | 4.62 | 58,745 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,728,153 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,310 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,755 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,938 |
| Name the English Monarchs | 0 | - | 4.91 | 506,959 |
| Europe Map Quiz | 0 | - | 5.00 | 4,790,492 |
| The Trojan War | 0 | - | 4.83 | 40,020 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,365 |
| Name that Greek Letter | 0 | - | 4.93 | 325,112 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,064 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,302 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,231 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,497 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,270 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,726 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,449 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,938 |
| Prime Ministers of the UK | 0 | - | 4.95 | 442,723 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,129 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,778 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,701 |
| Countries Italy Declared War On | 0 | - | 4.74 | 46,879 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,188 |
| Roman History by Picture | 0 | - | 4.46 | 26,602 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 494,811 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,003 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,663 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,395 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,439 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,318 |
| The Only European Country ... | 0 | - | 4.91 | 219,298 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,671 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,539 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,590 |
| History of Russia Quiz | 0 | - | 4.47 | 32,010 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 75,481 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,182 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,834 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,443 |
| Counties of England | 0 | - | 4.97 | 803,522 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,117 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 38,245 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,114 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,649 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 69,123 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,046 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,664 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,223 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,908 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,025 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,631 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,851 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,703 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,965 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,156 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,543 |
| Monarchies of Europe | 0 | - | 4.90 | 98,956 |
| European Countries with One Border | 0 | - | 4.97 | 183,911 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,627 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,982 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,272 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,830 |
| Slavic Countries | 0 | - | 4.96 | 112,440 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,716 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,518 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,729 |
| History of France | 0 | - | 4.61 | 57,668 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,892 |
| States of Germany | 0 | - | 4.95 | 154,706 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,741 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 145,934 |
| Countries of the German Empire | 0 | - | 4.51 | 38,275 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,988 |
| Italy Country Quiz | 0 | - | 4.77 | 124,118 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,168 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,580 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,846 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,443 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,822 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,570 |
| Shakespeare Quotes | 0 | - | 4.43 | 71,595 |
| Lord of the Rings Decoder | 0 | - | 4.61 | 42,803 |
| Lord of the Rings Characters | 0 | - | 4.54 | 113,687 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,478 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,313 |
| Geography of the British Empire | 0 | - | 4.48 | 39,857 |
| Champions League Winners | 0 | - | 4.92 | 1,016,970 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,213 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,871 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,986 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,872 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,380 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,770 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,994 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,069 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,083 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,070 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,167 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,949 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,995 |
| Countries that Border Poland | 0 | - | 4.99 | 173,249 |
| Russia Country Quiz | 0 | - | 4.83 | 115,376 |
| Countries That Border Russia | 0 | - | 4.98 | 464,675 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,313 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 103,030 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,788 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,044 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 35,609 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,141 |
| History of Austria | 0 | - | 4.70 | 17,982 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,109 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,968 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,982 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,893 |
| Departments of France | 0 | - | 4.93 | 55,260 |
| Geography of the French Empire | 0 | - | 4.45 | 27,222 |
| The French Revolution | 0 | - | 4.47 | 24,153 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,185 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,521 |
| Countries Bordering France | 0 | - | 4.83 | 405,102 |
| French History Multiple Choice | 0 | - | 4.55 | 33,251 |
| Germany Country Quiz | 0 | - | 4.82 | 158,938 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,143 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,565 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,021 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,855 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,255 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,056 |
| Mythology A-Z | 0 | - | 4.31 | 37,421 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,372 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,872 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 57,031 |
| Counties of Ireland | 0 | - | 4.92 | 197,453 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,128 |
| Italian History A-Z | 0 | - | 4.16 | 17,942 |
| The Vikings! | 0 | - | 4.46 | 28,417 |
| The Portuguese Empire | 0 | - | 4.58 | 12,114 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,545 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,949 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,323 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,234 |
| Arthurian Legend | 0 | - | 4.33 | 25,181 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,906 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,509 |
| Shakespeare's Plays Quiz | 0 | - | 4.37 | 390,317 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 379,756 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,990 |
| Houses of British Monarchs | 0 | - | 4.54 | 65,983 |
| Medieval English History | 0 | - | 4.53 | 43,671 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,339 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,099 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.42 | 52,002 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,102 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,347 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,847 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 407,450 |
| England or Wales? | 0 | - | 4.94 | 45,991 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,293 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,060 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,616 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,150 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 62,054 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 109,602 |
| U.S. Presidents by Event | 0 | - | 4.58 | 35,396 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.62 | 94,694 |
| Presidential Middle Names | 0 | - | 4.42 | 60,766 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,716 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,917 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,642 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.75 | 12,352 |
| Russian History A-Z | 0 | - | 4.35 | 32,259 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,670 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,850 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,068 |
| Moldova Country Quiz | 0 | - | 4.82 | 31,045 |
