| Name the English Monarchs | 0 | - | 4.91 | 505,942 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,983 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,811 |
| The Trojan War | 0 | - | 4.83 | 39,951 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,311 |
| Name that Greek Letter | 0 | - | 4.93 | 324,830 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,824 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,548 |
| Roman Emperors | 0 | - | 4.95 | 121,074 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,293 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,395 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,344 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,609 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,227 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,099 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,645 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,736 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,485 |
| Countries Bordering France | 0 | - | 4.83 | 404,666 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,629 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,299 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,716 |
| Europe Map Quiz | 0 | - | 5.00 | 4,784,423 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,470 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,405 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,760 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,881 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,035 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,723 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,955 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,045 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,897 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,113 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,433 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,404 |
| Counties of Ireland | 0 | - | 4.92 | 197,108 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,208 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,246 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,205 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,018 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,250 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 101,194 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,566 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,649 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,115 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,224 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,509 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,105 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,071 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,804 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,666 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,014 |
| Prime Ministers of the UK | 0 | - | 4.95 | 441,921 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 405,537 |
| Hindu Countries | 0 | - | 4.87 | 50,536 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,562 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,016 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,943 |
| The Only European Country ... | 0 | - | 4.91 | 218,696 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,364 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,405 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,186 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,959 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 143,111 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,509 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,256,030 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,763 |
| History of Russia Quiz | 0 | - | 4.47 | 31,996 |
| Ancient Greek Words | 0 | - | 4.93 | 112,357 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,235 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,820 |
| History of Italy | 0 | - | 4.55 | 32,132 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,229 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,184 |
| Roman Names for Places | 0 | - | 4.62 | 58,660 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,803 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,412 |
| Arthurian Legend | 0 | - | 4.33 | 25,166 |
| Counties of England | 0 | - | 4.97 | 802,155 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,068 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,937 |
| British History A-Z #1 | 0 | - | 4.45 | 47,193 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,915 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,041 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,996 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,981 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,400 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,957 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,517 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,702 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,497 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,391 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,067 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,710 |
| Slavic Countries | 0 | - | 4.96 | 112,286 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 75,182 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,228 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,476 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,466 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,786 |
| Champions League Winners | 0 | - | 4.92 | 1,014,897 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,636 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,413 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,372 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,431 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,383 |
| Monarchies of Europe | 0 | - | 4.90 | 98,769 |
| European Countries with One Border | 0 | - | 4.97 | 183,655 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,409 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,431 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,272 |
| Countries That Border Russia | 0 | - | 4.98 | 464,259 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,413 |
| History of Austria | 0 | - | 4.70 | 17,966 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,520 |
| Geography of the French Empire | 0 | - | 4.45 | 27,204 |
| The French Revolution | 0 | - | 4.47 | 24,132 |
| History of France | 0 | - | 4.61 | 57,545 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,689 |
| States of Germany | 0 | - | 4.95 | 154,277 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,553 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,626 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,563 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,568 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,943 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,633 |
| Regions of Italy | 0 | - | 4.92 | 76,930 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,252 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,744 |
| The Vikings! | 0 | - | 4.46 | 28,398 |
| The Portuguese Empire | 0 | - | 4.58 | 12,098 |
| Spain Country Quiz | 0 | - | 4.44 | 129,162 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,179 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,698 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,462 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,446 |
| English Royal Consorts | 0 | - | 4.38 | 37,504 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,189 |
| Geography of the British Empire | 0 | - | 4.48 | 39,832 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,828 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 67,543 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,110 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,177 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,722,544 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,671 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,877 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,784 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,704 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,319 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,684 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,046 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,551 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,876 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,244 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,516 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,717 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,690 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,243 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,770 |
| Countries that Border Poland | 0 | - | 4.99 | 173,072 |
| Russia Country Quiz | 0 | - | 4.83 | 115,244 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,215 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,580 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,692 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,963 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,552 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,008 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,906 |
| France Cities Map Quiz | 0 | - | 4.95 | 167,687 |
| Departments of France | 0 | - | 4.93 | 54,981 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,972 |
| Germany Country Quiz | 0 | - | 4.82 | 158,732 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,995 |
| Famous Germans by Picture | 0 | - | 4.12 | 16,895 |
| German History A-Z | 0 | - | 4.49 | 24,888 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,206 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,025 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,134 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,956 |
| Italian History A-Z | 0 | - | 4.16 | 17,911 |
| Famous Italians by Picture | 0 | - | 4.06 | 22,008 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,723 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,162 |
| Byzantine History | 0 | - | 4.91 | 29,011 |
| Byzantine Emperors | 0 | - | 4.93 | 14,549 |
| History of The Netherlands | 0 | - | 4.46 | 17,539 |
| Denmark Country Quiz | 0 | - | 4.78 | 76,224 |
| Finland Country Quiz | 0 | - | 4.51 | 59,964 |
| Norway Country Quiz | 0 | - | 4.45 | 77,763 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,363 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,736 |
| Spanish History A-Z | 0 | - | 4.37 | 19,492 |
| Real Madrid 2010s Starting XI | 0 | - | 4.90 | 68,705 |
| British Monopoly Board | 0 | - | 4.52 | 41,253 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,626 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,758 |
| Medieval English History | 0 | - | 4.53 | 43,637 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,972 |
| England or Wales? | 0 | - | 4.94 | 45,931 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,899 |
