| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,401 |
| Roman Emperors | 0 | - | 4.95 | 119,631 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,895 |
| Name the English Monarchs | 0 | - | 4.91 | 501,335 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,739 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,674 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,988 |
| The Trojan War | 0 | - | 4.83 | 39,639 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,946 |
| Name that Greek Letter | 0 | - | 4.93 | 323,043 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,505 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,294 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,865 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,450 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,471 |
| History of Italy | 0 | - | 4.55 | 31,933 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,854 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,097 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,252 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,683 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,574 |
| Countries Bordering France | 0 | - | 4.83 | 401,801 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,537 |
| Regions of Italy | 0 | - | 4.92 | 75,517 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,685 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,848 |
| Roman Names for Places | 0 | - | 4.62 | 58,166 |
| Europe Map Quiz | 0 | - | 5.00 | 4,754,608 |
| Italy Country Quiz | 0 | - | 4.82 | 123,160 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,073 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,512 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,019 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,381 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,738 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,704 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,171 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,779 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,081 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,022 |
| Counties of Ireland | 0 | - | 4.92 | 194,574 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,566 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,084 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,216 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,665 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,421 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,035 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,076 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,892 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,376 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,167 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,353 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,128 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,772 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,347 |
| Prime Ministers of the UK | 0 | - | 4.95 | 437,676 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 400,155 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,473 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,887 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,778 |
| The Only European Country ... | 0 | - | 4.91 | 215,912 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,722 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,053 |
| Byzantine History | 0 | - | 4.91 | 28,750 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,645 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 140,515 |
| The Vietnam War | 0 | - | 4.44 | 35,476 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,472 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,879 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,220 |
| History of Russia Quiz | 0 | - | 4.49 | 31,878 |
| Ancient Greek Words | 0 | - | 4.93 | 111,315 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,441 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,600 |
| Italy A-Z | 0 | - | 4.49 | 58,142 |
| Italian History A-Z | 0 | - | 4.21 | 17,663 |
| Famous Italians by Picture | 0 | - | 4.05 | 21,917 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,608 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,156 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,115 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,101 |
| Arthurian Legend | 0 | - | 4.33 | 25,094 |
| Counties of England | 0 | - | 4.97 | 794,553 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,783 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,734 |
| British History A-Z #1 | 0 | - | 4.45 | 46,390 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,563 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,574 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,458 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,068 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,396 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,943 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,101 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,958 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,911 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,477 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,970 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,695 |
| Slavic Countries | 0 | - | 4.96 | 111,463 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,501 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,113 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,380 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,476 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,003 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,594 |
| Champions League Winners | 0 | - | 4.92 | 1,003,508 |
| The American Revolution | 0 | - | 4.52 | 54,209 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,647 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,214 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,878 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,472 |
| Monarchies of Europe | 0 | - | 4.90 | 97,926 |
| European Countries with One Border | 0 | - | 4.97 | 182,474 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,284 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,890 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,000 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,214 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,258 |
| Countries That Border Russia | 0 | - | 4.98 | 461,023 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,703 |
| History of Austria | 0 | - | 4.70 | 17,831 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,094 |
| Geography of the French Empire | 0 | - | 4.45 | 27,019 |
| The French Revolution | 0 | - | 4.46 | 23,897 |
| History of France | 0 | - | 4.59 | 56,808 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,518 |
| States of Germany | 0 | - | 4.96 | 151,794 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,460 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,859 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,215 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,475 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,086 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,791 |
| The Vikings! | 0 | - | 4.46 | 28,318 |
| The Portuguese Empire | 0 | - | 4.58 | 12,045 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,600 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,976 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,522 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,303 |
| English Royal Consorts | 0 | - | 4.37 | 37,312 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,283 |
| Geography of the British Empire | 0 | - | 4.48 | 39,627 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,593 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,656 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,150 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,584 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,404 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,993 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,269 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,845 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,687,148 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,478 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,413 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,850 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,757 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,031 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,268 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,339 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,838 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,333 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,656 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,516 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,236 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,611 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,824 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,299 |
| Countries that Border Poland | 0 | - | 4.99 | 172,027 |
| Russia Country Quiz | 0 | - | 4.85 | 114,246 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,704 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,137 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,220 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,079 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,281 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,232 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,402 |
| Departments of France | 0 | - | 4.93 | 53,730 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,755 |
| Germany Country Quiz | 0 | - | 4.82 | 157,532 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,847 |
| Famous Germans by Picture | 0 | - | 4.12 | 16,818 |
| German History A-Z | 0 | - | 4.49 | 24,567 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,931 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,874 |
| Roman to Greek God | 0 | - | 4.52 | 122,641 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,792 |
| Serie A Champions | 0 | - | 4.29 | 58,132 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,564 |
| Roman History by Picture | 0 | - | 4.46 | 26,434 |
| History of The Netherlands | 0 | - | 4.46 | 17,403 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,775 |
| Finland Country Quiz | 0 | - | 4.50 | 59,511 |
| Norway Country Quiz | 0 | - | 4.44 | 77,153 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,072 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,643 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,338 |
| Spanish History A-Z | 0 | - | 4.37 | 19,260 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,326 |
| British Monopoly Board | 0 | - | 4.52 | 41,137 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,188 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,879 |
| Medieval English History | 0 | - | 4.53 | 43,453 |
