| Byzantine History | 0 | - | 4.91 | 28,670 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,558 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,491 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,541 |
| Roman to Greek God | 0 | - | 4.52 | 122,389 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,021 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,267 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,668 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,279 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,350 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,140 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,105 |
| Italy Country Quiz | 0 | - | 4.82 | 122,491 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,649 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,320 |
| Name the English Monarchs | 0 | - | 4.92 | 499,214 |
| Europe Map Quiz | 0 | - | 5.00 | 4,739,919 |
| The Trojan War | 0 | - | 4.83 | 39,507 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,500 |
| Name that Greek Letter | 0 | - | 4.94 | 322,158 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,924 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,290 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,574 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,035 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,687 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,183 |
| Roman Emperors | 0 | - | 4.95 | 118,855 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,917 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,387 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,976 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,161 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,970 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,237 |
| Ancient Greek Words | 0 | - | 4.93 | 110,950 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,502 |
| Roman History by Picture | 0 | - | 4.46 | 26,372 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,876 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,752 |
| Asia Map Quiz | 0 | - | 4.99 | 909,146 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,697 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,557 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,231,352 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,854 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,934 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,014 |
| The Only European Country ... | 0 | - | 4.91 | 214,627 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,012 |
| History of Russia Quiz | 0 | - | 4.49 | 31,823 |
| History of Italy | 0 | - | 4.55 | 31,867 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,739 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,526 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,045 |
| Counties of England | 0 | - | 4.97 | 791,244 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,656 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 280,455 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,494 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,520 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,952 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,377,940 |
| Biggest Trading Partners - Turkey | 0 | - | 4.80 | 50,299 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,959 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,528 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,969 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,549 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,214 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,966 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,693 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,643 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,234 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,503 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,847 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,891 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,058 |
| Monarchies of Europe | 0 | - | 4.90 | 97,549 |
| European Countries with One Border | 0 | - | 4.97 | 181,909 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,813 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,532 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,538 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,383 |
| Slavic Countries | 0 | - | 4.96 | 111,075 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,796 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,373 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,527 |
| History of France | 0 | - | 4.59 | 56,420 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,002 |
| States of Germany | 0 | - | 4.96 | 150,707 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,226 |
| Regions of Italy | 0 | - | 4.92 | 75,000 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,608 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,001 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,837 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,554 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,204 |
| Shakespeare Quotes | 0 | - | 4.43 | 71,210 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,239 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,985 |
| Geography of the British Empire | 0 | - | 4.48 | 39,547 |
| Champions League Winners | 0 | - | 4.92 | 998,925 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,552 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,031 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,607 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,459 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,321 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,053 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,758 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,596 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,311 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,636 |
| Monarchies of Asia | 0 | - | 4.97 | 70,732 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,542 |
| Countries of the Middle East | 0 | - | 4.96 | 199,484 |
| Flags of the Middle East | 0 | - | 4.69 | 62,427 |
| Iran Country Quiz | 0 | - | 4.53 | 60,027 |
| Iraq Country Quiz | 0 | - | 4.43 | 40,755 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,399 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,847 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,921 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 35,302 |
| Countries Bordering India | 0 | - | 4.98 | 163,101 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,251 |
| Countries Closest to India | 0 | - | 4.97 | 102,364 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,895 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,456 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,666,190 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,558 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,456 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,331 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,865 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,004 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,014 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,209 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,755 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,669 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,248 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,851 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,601 |
| Countries that Border Poland | 0 | - | 4.99 | 171,613 |
| Russia Country Quiz | 0 | - | 4.85 | 113,865 |
| Countries That Border Russia | 0 | - | 4.98 | 459,854 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,481 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,117 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,988 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,845 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,124 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,942 |
| History of Austria | 0 | - | 4.70 | 17,780 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,580 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,937 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,486 |
| Departments of France | 0 | - | 4.93 | 53,084 |
| Geography of the French Empire | 0 | - | 4.45 | 26,970 |
| The French Revolution | 0 | - | 4.46 | 23,835 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,639 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,908 |
| Countries Bordering France | 0 | - | 4.83 | 400,611 |
| Germany Country Quiz | 0 | - | 4.82 | 156,901 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,406 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,411 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,618 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,969 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,829 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,809 |
| Mythology A-Z | 0 | - | 4.31 | 37,062 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,110 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,499 |
| Counties of Ireland | 0 | - | 4.92 | 193,660 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,076 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,409 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,590 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,743 |
| Roman Names for Places | 0 | - | 4.62 | 57,979 |
| The Vikings! | 0 | - | 4.46 | 28,269 |
| The Portuguese Empire | 0 | - | 4.58 | 12,008 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,279 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,872 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,062 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,986 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,611 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,138 |
| Shakespeare's Plays Quiz | 0 | - | 4.38 | 386,404 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 377,576 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,655 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,394 |
| Medieval English History | 0 | - | 4.53 | 43,355 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,006 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,873 |
| Prime Ministers of the UK | 0 | - | 4.96 | 435,775 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,947 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,921 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,584 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 398,315 |
| England or Wales? | 0 | - | 4.94 | 45,426 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,914 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,597 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,522 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,239 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 116,632 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,276 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,082 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,569 |