| Name the English Monarchs | 0 | - | 4.91 | 504,417 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,478 |
| The Trojan War | 0 | - | 4.83 | 39,837 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,543 |
| Name that Greek Letter | 0 | - | 4.93 | 324,316 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,372 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,895 |
| Roman Emperors | 0 | - | 4.95 | 120,509 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,125 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,245 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,688 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,458 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,318 |
| Monarchies of Europe | 0 | - | 4.90 | 98,435 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,846 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,862 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,209 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,417 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,219 |
| Countries Bordering France | 0 | - | 4.83 | 403,786 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,886 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,623 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,244 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,468 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,864 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,813 |
| Europe Map Quiz | 0 | - | 5.00 | 4,774,050 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,418 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,345 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,417 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,921 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,330 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,336 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,623 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,503 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,902 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,712 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,990 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,309 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,566 |
| Counties of Ireland | 0 | - | 4.92 | 196,254 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,057 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,450 |
| Spanish History A-Z | 0 | - | 4.37 | 19,329 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,437 |
| British History A-Z #1 | 0 | - | 4.45 | 46,609 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,844 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,054 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,452 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,421 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,045 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,825 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,266 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,701 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,793 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,578 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,554 |
| British Monopoly Board | 0 | - | 4.52 | 41,207 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,802 |
| English Royal Consorts | 0 | - | 4.38 | 37,435 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 403,114 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,790 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,278 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,876 |
| The Only European Country ... | 0 | - | 4.91 | 217,678 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,764 |
| German History A-Z | 0 | - | 4.49 | 24,678 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,199 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,017 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,539 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 142,229 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,250,136 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,645 |
| History of Russia Quiz | 0 | - | 4.47 | 31,968 |
| Ancient Greek Words | 0 | - | 4.93 | 112,021 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,977 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,741 |
| History of Italy | 0 | - | 4.55 | 32,081 |
| Italian History A-Z | 0 | - | 4.21 | 17,747 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 41,104 |
| Geography of the Roman Empire | 0 | - | 4.56 | 52,032 |
| Roman Names for Places | 0 | - | 4.62 | 58,471 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,743 |
| Counties of England | 0 | - | 4.97 | 799,712 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,987 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,874 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,806 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,901 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,706 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,034 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,540 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,645 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,447 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,076 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,615 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,789 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,677 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,488 |
| Slavic Countries | 0 | - | 4.96 | 111,979 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,184 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,326 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,313 |
| History of Spain | 0 | - | 4.23 | 21,130 |
| Geography of Spain | 0 | - | 4.59 | 22,117 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,363 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,371 |
| British Geography A-Z | 0 | - | 4.42 | 19,573 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,739 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,809 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,541 |
| Champions League Winners | 0 | - | 4.92 | 1,010,757 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,169 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,118 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,957 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,844 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,457 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,066 |
| European Countries with One Border | 0 | - | 4.97 | 183,235 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,011 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,429 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,244 |
| Countries That Border Russia | 0 | - | 4.98 | 463,045 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,180 |
| History of Austria | 0 | - | 4.70 | 17,922 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,956 |
| Geography of the French Empire | 0 | - | 4.45 | 27,167 |
| The French Revolution | 0 | - | 4.47 | 24,075 |
| Kings of France Quiz | 0 | - | 4.20 | 32,840 |
| History of France | 0 | - | 4.61 | 57,339 |
| French History A-Z | 0 | - | 4.27 | 24,797 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,308 |
| States of Germany | 0 | - | 4.95 | 153,497 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,355 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,418 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,529 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,864 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,927 |
| Regions of Italy | 0 | - | 4.92 | 76,399 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,212 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,507 |
| The Vikings! | 0 | - | 4.46 | 28,374 |
| The Portuguese Empire | 0 | - | 4.58 | 12,087 |
| Spain Country Quiz | 0 | - | 4.44 | 128,873 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,468 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,226 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,423 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,965 |
| Geography of the British Empire | 0 | - | 4.48 | 39,767 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,494 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,770 |
| Monarchies of Asia | 0 | - | 4.97 | 71,284 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,071 |
| Battle to Country | 0 | - | 4.91 | 53,607 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,595 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,456 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,964 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,711,351 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,703 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,217 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,554 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,104 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,944 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,684 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,998 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,655 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,708 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,221 |
| Countries that Border Poland | 0 | - | 4.99 | 172,687 |
| Russia Country Quiz | 0 | - | 4.83 | 114,775 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,018 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,730 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,526 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,480 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,440 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,724 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,808 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,275 |
| Departments of France | 0 | - | 4.93 | 54,595 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,889 |
| Germany Country Quiz | 0 | - | 4.83 | 158,301 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,730 |
| Famous Germans by Picture | 0 | - | 4.12 | 16,867 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,109 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,968 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,783 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,692 |
| Famous Italians by Picture | 0 | - | 4.06 | 21,975 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,634 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,130 |
| Byzantine History | 0 | - | 4.91 | 28,936 |
| Byzantine Emperors | 0 | - | 4.92 | 14,410 |
| History of The Netherlands | 0 | - | 4.46 | 17,498 |
| Denmark Country Quiz | 0 | - | 4.78 | 76,066 |
| Finland Country Quiz | 0 | - | 4.51 | 59,822 |
| Norway Country Quiz | 0 | - | 4.44 | 77,553 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,265 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,168 |
| Canary Islands | 0 | - | 4.62 | 17,499 |
| 2026 La Liga Clubs | 0 | - | 4.33 | 70,225 |
| La Liga - Trofeo Pichichi | 0 | - | 4,54 | 7.211 |
