| Two Letter Roman Numerals | 0 | - | 4.97 | 56,491 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,605 |
| Byzantine History | 0 | - | 4.91 | 29,015 |
| Byzantine Emperors | 0 | - | 4.93 | 14,579 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,641 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,715 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,571 |
| Roman Emperors | 0 | - | 4.95 | 121,140 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 103,771 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,767 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,684 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,956 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,743 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,425 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,315 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,265 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,705 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,799 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,529 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 75,276 |
| Ancient Greek Words | 0 | - | 4.93 | 112,417 |
| Regions of Italy | 0 | - | 4.92 | 77,004 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,272 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,198 |
| Roman Names for Places | 0 | - | 4.62 | 58,681 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,177 |
| History of Italy | 0 | - | 4.55 | 32,141 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,731 |
| Roman History by Picture | 0 | - | 4.46 | 26,578 |
| Name the English Monarchs | 0 | - | 4.91 | 506,192 |
| Europe Map Quiz | 0 | - | 5.00 | 4,786,573 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,651 |
| Name that Greek Letter | 0 | - | 4.93 | 324,908 |
| Mythology A-Z | 0 | - | 4.31 | 37,390 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,233 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,329 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,630 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,357 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,843 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,733 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,738 |
| The Trojan War | 0 | - | 4.83 | 39,971 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,898 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,459 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,636 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,144 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,172 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,258 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 494,641 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,693 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,147 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,025 |
| The Only European Country ... | 0 | - | 4.91 | 218,868 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,443 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,845 |
| Roman to Greek God | 0 | - | 4.52 | 123,322 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,296 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,759 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,237 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,755 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,327 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,989 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,257,121 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,260 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,464 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,007 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,646 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,737 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,635 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,589 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,140 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,746 |
| Slavic Countries | 0 | - | 4.96 | 112,330 |
| History of Russia Quiz | 0 | - | 4.47 | 32,000 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,588 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 88,031 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,813 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,416 |
| Counties of England | 0 | - | 4.97 | 802,544 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,085 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 41,025 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,650 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,397 |
| Champions League Winners | 0 | - | 4.92 | 1,015,620 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,743 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,840 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,754 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,448 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,438 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,508 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,442 |
| Monarchies of Europe | 0 | - | 4.90 | 98,822 |
| European Countries with One Border | 0 | - | 4.97 | 183,737 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,479 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,704 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,817 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,592 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,820 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,456 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,834 |
| Russia Country Quiz | 0 | - | 4.83 | 115,283 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,371 |
| Countries That Border Russia | 0 | - | 4.98 | 464,398 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,721 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,440 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,567 |
| History of Austria | 0 | - | 4.70 | 17,971 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,922 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,585 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,753 |
| Departments of France | 0 | - | 4.93 | 55,107 |
| Geography of the French Empire | 0 | - | 4.45 | 27,214 |
| The French Revolution | 0 | - | 4.47 | 24,142 |
| Countries Bordering France | 0 | - | 4.83 | 404,779 |
| History of France | 0 | - | 4.61 | 57,583 |
| Germany Country Quiz | 0 | - | 4.82 | 158,786 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,761 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,047 |
| States of Germany | 0 | - | 4.95 | 154,377 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,558 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,665 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,732 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,222 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,037 |
| Italy Country Quiz | 0 | - | 4.77 | 124,005 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,001 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,160 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,776 |
| The Vikings! | 0 | - | 4.46 | 28,400 |
| The Portuguese Empire | 0 | - | 4.58 | 12,102 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,459 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,265 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,822 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,725 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,495 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,694 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,455 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,218 |
| Geography of the British Empire | 0 | - | 4.48 | 39,843 |
| Medieval English History | 0 | - | 4.53 | 43,647 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,834 |
| England or Wales? | 0 | - | 4.94 | 45,952 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,036 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,479 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,724,325 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,733 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,335 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,704 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,911 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,024 |
| Countries that Border Poland | 0 | - | 4.99 | 173,134 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,235 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,560 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,729 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,986 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,052 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,071 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,920 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,138 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,453 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,682 |
| French History Multiple Choice | 0 | - | 4.55 | 33,218 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,270 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,528 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,534 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,271 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,835 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,974 |
| Counties of Ireland | 0 | - | 4.92 | 197,220 |
| Italy A-Z | 0 | - | 4.49 | 58,729 |
| Italian History A-Z | 0 | - | 4.16 | 17,921 |
| History of The Netherlands | 0 | - | 4.46 | 17,547 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,115 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,853 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,308 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,059 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,326 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,051 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,311 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 379,624 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,949 |
| British History A-Z #1 | 0 | - | 4.45 | 47,229 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,938 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,059 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,308 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,086 |
| British History Quiz for Dummies | 0 | - | 4.70 | 79,031 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,872 |
| Prime Ministers of the UK | 0 | - | 4.95 | 442,144 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,045 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,280 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 406,296 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,404 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,330 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,718 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 121,251 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,656 |
| Russian History A-Z | 0 | - | 4.35 | 32,195 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,798 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,033 |
