| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,162 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,987 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,876 |
| Byzantine History | 0 | - | 4.91 | 28,868 |
| Byzantine Emperors | 0 | - | 4.92 | 14,144 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,640 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,012 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,160 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,138 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,872 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,699,023 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,380 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 81,934 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,687 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,025 |
| Roman to Greek God | 0 | - | 4.52 | 122,833 |
| Italy Country Quiz | 0 | - | 4.80 | 123,413 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,394 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,069 |
| Name the English Monarchs | 0 | - | 4.91 | 502,717 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,239 |
| Europe Map Quiz | 0 | - | 5.00 | 4,763,366 |
| The Trojan War | 0 | - | 4.83 | 39,729 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,513 |
| Name that Greek Letter | 0 | - | 4.93 | 323,467 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,478 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,861 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,868 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,495 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,056 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,537 |
| Roman Emperors | 0 | - | 4.95 | 120,061 |
| Prime Ministers of the UK | 0 | - | 4.95 | 439,048 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,248 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,497 |
| Ancient Greek Words | 0 | - | 4.93 | 111,618 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,775 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,885 |
| Roman History by Picture | 0 | - | 4.46 | 26,467 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,291 |
| Asia Map Quiz | 0 | - | 4.99 | 916,903 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,173 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,050 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,499 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,270 |
| The Only European Country ... | 0 | - | 4.91 | 216,659 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,152 |
| History of Russia Quiz | 0 | - | 4.47 | 31,919 |
| History of Italy | 0 | - | 4.55 | 31,978 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,907 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,661 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,237 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,867 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,983 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,033 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,258 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,326 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,798 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,677 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,216 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,867 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,740 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,543 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,160 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,336 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,716 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,539 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,907 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,770 |
| Monarchies of Europe | 0 | - | 4.90 | 98,156 |
| European Countries with One Border | 0 | - | 4.97 | 182,789 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,585 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 78,605 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,298 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,196 |
| Slavic Countries | 0 | - | 4.96 | 111,669 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,257 |
| Countries That Border Russia | 0 | - | 4.98 | 461,763 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,911 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,449 |
| Countries Bordering France | 0 | - | 4.83 | 402,571 |
| History of France | 0 | - | 4.59 | 56,985 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,830 |
| States of Germany | 0 | - | 4.96 | 152,621 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,048 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,438 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 144,636 |
| Regions of Italy | 0 | - | 4.92 | 75,891 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,178 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,955 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 67,463 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,214 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,005 |
| Counties of England | 0 | - | 4.97 | 796,893 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,353 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,486 |
| Geography of the British Empire | 0 | - | 4.48 | 39,674 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,218 |
| Countries of the Popes | 0 | - | 4.79 | 128,117 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 356,040 |
| Champions League Winners | 0 | - | 4.92 | 1,006,859 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,660 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,245 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,746 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,161 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,003 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,012 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,905 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,519 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,298 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,838 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,213 |
| Monarchies of Asia | 0 | - | 4.97 | 71,093 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,895 |
| Countries of the Middle East | 0 | - | 4.96 | 201,188 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,823 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,850 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,275 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,332 |
| States of India Map Quiz | 0 | - | 4.83 | 26,518 |
| Countries Bordering India | 0 | - | 4.98 | 163,435 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,449 |
| Countries Closest to India | 0 | - | 4.97 | 102,785 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,235 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,730 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,612 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,943 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,803 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,125 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,021 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,113 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,391 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,457 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,290 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,844 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,148 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,066 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,050 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,726 |
| Countries that Border Poland | 0 | - | 4.99 | 172,284 |
| Russia Country Quiz | 0 | - | 4.85 | 114,499 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,853 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,883 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,347 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,234 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,344 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,405 |
| History of Austria | 0 | - | 4.70 | 17,863 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,774 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,692 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,325 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,773 |
| Departments of France | 0 | - | 4.93 | 54,120 |
| Geography of the French Empire | 0 | - | 4.45 | 27,060 |
| The French Revolution | 0 | - | 4.47 | 23,937 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,873 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,181 |
| Germany Country Quiz | 0 | - | 4.83 | 157,869 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,353 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,733 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,999 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,913 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,678 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,663 |
| Counties of Ireland | 0 | - | 4.92 | 195,308 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,334 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,549 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,749 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,937 |
| Roman Names for Places | 0 | - | 4.62 | 58,292 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,895 |
| History of The Netherlands | 0 | - | 4.46 | 17,436 |
| The Vikings! | 0 | - | 4.46 | 28,343 |
| The Portuguese Empire | 0 | - | 4.58 | 12,066 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,941 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,653 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,165 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,999 |
| Arthurian Legend | 0 | - | 4.33 | 25,110 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,629 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,764 |
| Lord of the Rings Characters by Screen Time | 0 | - | 4.55 | 77,344 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,795 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,677 |
| Medieval English History | 0 | - | 4.53 | 43,510 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,149 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,964 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,659 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,845 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,701 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 401,460 |
| England or Wales? | 0 | - | 4.94 | 45,696 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,372 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,970 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,456 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 134,507 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,016 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,390 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,287 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,354 |
