| English Monarchs Quiz | 0 | - | 4.91 | 442,932 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 579,594 |
| Countries Italy Declared War On | 0 | - | 4.79 | 39,653 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 71,275 |
| Roman Emperors | 0 | - | 4.95 | 94,737 |
| The Trojan War | 0 | - | 4.81 | 35,637 |
| Name that Greek Letter | 0 | - | 4.94 | 294,121 |
| Countries Bordering France | 0 | - | 4.87 | 354,883 |
| Countries that Visit France the Most | 0 | - | 4.84 | 39,525 |
| Countries Closest to Metropolitan France | 0 | - | 4.87 | 65,902 |
| Country Quiz on a Map - France | 0 | - | 4.97 | 37,979 |
| French Geography Quiz #1 | 0 | - | 4.86 | 30,763 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 35,200 |
| Geography of the Roman Empire | 0 | - | 4.58 | 48,113 |
| Roman Names for Places | 0 | - | 4.66 | 41,070 |
| Houses of British Monarchs | 0 | - | 4.50 | 51,712 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 132,470 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 61,646 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.93 | 48,036 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 57,734 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 45,739 |
| Regions of France Map Quiz | 0 | - | 4.96 | 126,314 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.80 | 83,999 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.58 | 54,991 |
| Ancient Greece - Multiple Choice | 0 | - | 4.53 | 38,395 |
| The Life of Julius Caesar | 0 | - | 4.46 | 31,975 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 48,025 |
| British History Quiz for Dummies | 0 | - | 4.54 | 61,122 |
| French History A-Z | 0 | - | 4.14 | 12,440 |
| Countries Bordering Germany | 0 | - | 4.99 | 338,657 |
| States of the German Confederation in 1848 | 0 | - | 4.84 | 26,072 |
| Countries Closest to Spain | 0 | - | 4.95 | 204,376 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 102,097 |
| Prime Ministers of the UK | 0 | - | 4.95 | 377,571 |
| World Capitals Closest to London | 0 | - | 4.90 | 92,917 |
| 50 Busiest Air Routes from London | 0 | - | 4.88 | 84,812 |
| 2025 Football League Teams | 0 | - | 4.93 | 340,975 |
| Europe Map Quiz | 0 | - | 5.00 | 4,254,211 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 75,731 |
| Countries Bordering Austria | 0 | - | 4.97 | 109,471 |
| History of France Quiz | 0 | - | 4.55 | 39,477 |
| Countries With the Most German Speakers | 0 | - | 4.88 | 51,259 |
| Countries Bordering Italy | 0 | - | 4.92 | 78,525 |
| Countries Closest to Italy | 0 | - | 4.97 | 177,571 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.82 | 9,623 |
| Seven Hills of Rome | 0 | - | 4.68 | 8,491 |
| Greenland Country Quiz | 0 | - | 4.82 | 32,046 |
| Countries Closest to Iceland | 0 | - | 4.87 | 62,070 |
| Countries that Beat Portugal | 0 | - | 4.82 | 35,211 |
| Countries that Beat Spain | 0 | - | 4.96 | 55,393 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 89,500 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 220,886 |
| English Royal Consorts | 0 | - | 4.27 | 34,361 |
| The Reign of Queen Elizabeth I | 0 | - | 4.50 | 29,498 |
| The Vietnam War | 0 | - | 4.41 | 32,553 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 381,909 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,448 |
| Geography of the French Empire | 0 | - | 4.49 | 25,103 |
| The French Revolution | 0 | - | 4.44 | 21,803 |
| Countries that Beat Germany | 0 | - | 4.87 | 69,498 |
| The Life of Alexander the Great | 0 | - | 4.51 | 17,391 |
| Countries that Beat Italy | 0 | - | 4.87 | 44,749 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 206,390 |
| Countries in World War I | 0 | - | 4.89 | 208,150 |
| Geography of the Spanish Empire | 0 | - | 4.47 | 34,935 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 98,860 |
| British History A-Z | 0 | - | 4.48 | 30,979 |
| English First Names of the Middle Ages | 0 | - | 4.40 | 45,093 |
| British History Multiple Choice #1 | 0 | - | 4.47 | 51,258 |
| The Reign of Queen Elizabeth II | 0 | - | 4.38 | 33,598 |
| Top 4 in English Football, 1888–2024 | 0 | - | 4.95 | 105,475 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 333,810 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 130,035 |
| Countries that Beat France | 0 | - | 4.58 | 65,064 |
| Country Quiz on a Map - Germany | 0 | - | 4.93 | 25,816 |
| Olympian Gods Quiz | 0 | - | 4.96 | 455,022 |
| Ancient Greek Words | 0 | - | 4.90 | 96,229 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 396,268 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,060 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 64,937 |
| Arthurian Legend | 0 | - | 4.34 | 24,219 |
| Counties of England | 0 | - | 4.96 | 682,920 |
| Invasions of Great Britain | 0 | - | 4.48 | 55,140 |
| Members of the British Royal Family | 0 | - | 4.11 | 108,923 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.87 | 26,319 |
| The Reign of Henry VIII | 0 | - | 4.24 | 26,166 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.29 | 23,257 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.55 | 13,746 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 97,702 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,489 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,032,246 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,170,764 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 90,831 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 159,537 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 137,388 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 183,404 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.82 | 38,905 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 76,220 |
| The Only European Country ... | 0 | - | 4.94 | 175,966 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 283,113 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 113,427 |
| Countries of Europe After World War II | 0 | - | 4.98 | 169,116 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 137,851 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 73,737 |
| Eastern Europe Map Quiz | 0 | - | 4.88 | 114,707 |
| Slavic Countries | 0 | - | 4.96 | 99,780 |
| French Geography Quiz #2 | 0 | - | 4.64 | 21,167 |
| Countries Two Borders Away From France | 0 | - | 4.46 | 25,016 |
| Ancient Greece A-Z | 0 | - | 4.63 | 20,524 |
| Ancient Greek Inventions | 0 | - | 4.17 | 15,479 |
| Regions of Spain Quiz | 0 | - | 4.85 | 93,511 |
| Cantons of Switzerland | 0 | - | 4.96 | 39,756 |
| Parts of the United Kingdom | 0 | - | 4.88 | 82,955 |
| Wives of King Henry VIII | 0 | - | 4.53 | 44,496 |
| Countries the UK Declared War On | 0 | - | 4.57 | 110,945 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 22,135 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 263,641 |
| Champions League Winners | 0 | - | 4.90 | 838,316 |
| The American Revolution | 0 | - | 4.55 | 51,461 |
| European Diaspora - Top 11 Countries | 0 | - | 4.91 | 82,760 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 119,474 |
| Three Band Flags of Europe | 0 | - | 4.97 | 159,498 |
| Pixelated Europe Map | 0 | - | 4.89 | 108,480 |
| Monarchies of Europe | 0 | - | 4.88 | 86,228 |
| European Countries with One Border | 0 | - | 4.96 | 149,106 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 143,345 |
| Federal Subjects of Russia | 0 | - | 4.95 | 110,175 |
| Countries That Border Russia | 0 | - | 4.98 | 423,278 |
| Countries Formerly in Yugoslavia | 0 | - | 4.94 | 100,941 |
| France Country Quiz | 0 | - | 4.75 | 119,899 |
| French Inventions | 0 | - | 4.08 | 13,312 |
| Regions of France | 0 | - | 4.64 | 98,989 |
| France Immigration by Country | 0 | - | 4.80 | 68,291 |
| France True or False? | 0 | - | 4.40 | 36,782 |
| History of Paris | 0 | - | 4.20 | 12,616 |
| States of Germany Map Quiz | 0 | - | 4.91 | 119,450 |
| States of Germany | 0 | - | 4.94 | 121,590 |
| Germany Immigration by Country | 0 | - | 4.90 | 68,891 |
| Countries Closest to Germany A-Z | 0 | - | 4.96 | 8,078 |
| German History A-Z | 0 | - | 4.16 | 13,297 |
| Figures from Greek Mythology | 0 | - | 4.92 | 168,401 |
| Counties of Ireland | 0 | - | 4.89 | 157,268 |
| Regions of Italy | 0 | - | 4.88 | 59,529 |
| Countries in World War II | 0 | - | 4.67 | 801,273 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,384 |
| Byzantine History | 0 | - | 4.87 | 26,077 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 31,320 |
| History of The Netherlands | 0 | - | 4.42 | 15,637 |
| Countries that Beat the Netherlands | 0 | - | 4.57 | 33,184 |
| The Vikings! | 0 | - | 4.44 | 27,013 |
| Denmark Country Quiz | 0 | - | 4.79 | 69,106 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 50,034 |
| Finland Country Quiz | 0 | - | 4.48 | 52,483 |
| Norway Country Quiz | 0 | - | 4.42 | 56,170 |
| Iceland Country Quiz | 0 | - | 4.72 | 38,464 |
| The Portuguese Empire | 0 | - | 4.54 | 11,288 |
| Spain Cities Map Quiz | 0 | - | 4.86 | 85,307 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 168,018 |
| Spanish History A-Z | 0 | - | 4.29 | 11,219 |
| Countries Bordering Spain | 0 | - | 4.50 | 63,963 |
| Switzerland Immigration by Country | 0 | - | 4.81 | 19,790 |
| British Monopoly Board | 0 | - | 4.50 | 38,688 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 98,330 |
| Countries that Visit the UK the Most | 0 | - | 4.84 | 61,636 |
| British Geography Quiz #1 | 0 | - | 4.52 | 45,504 |
| Best-Selling British Musical Acts | 0 | - | 4.47 | 43,282 |
| Medieval English History | 0 | - | 4.52 | 40,566 |
| England or Wales? | 0 | - | 4.93 | 39,829 |
| All Champions League Teams Ever | 0 | - | 4.89 | 102,419 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 83,564 |
| Top 10 Richest Countries in Asia | 0 | - | 4.86 | 72,384 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 100,633 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 92,367 |
| African Countries with the Most Christians | 0 | - | 4.92 | 66,644 |
| Top 10 Richest Countries in Africa | 0 | - | 4.87 | 66,875 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 108,617 |
| Deadliest U.S. Wars | 0 | - | 4.82 | 156,817 |
| Canadian Prime Ministers Quiz | 0 | - | 4.56 | 45,719 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 179,965 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 114,790 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 65,753 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 127,472 |
| Top 10 Richest Countries in Europe | 0 | - | 4.88 | 133,570 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 176,588 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.93 | 55,532 |
| Biggest Trading Partners - European Union | 0 | - | 4.90 | 64,119 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 198,181 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 243,660 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 141,054 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 186,544 |
| Name a Valid European Country #2 | 0 | - | 4.93 | 83,358 |
| Countries that Border Poland | 0 | - | 4.99 | 157,644 |
| Russia Country Quiz | 0 | - | 4.84 | 102,323 |
| History of Russia Quiz | 0 | - | 4.48 | 29,735 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.94 | 75,461 |
| Countries With the Most Russian Speakers | 0 | - | 4.94 | 55,359 |
| Russian Inventions | 0 | - | 4.41 | 11,928 |
| Countries that Border Hungary | 0 | - | 4.98 | 95,768 |
| Countries Bordering Serbia | 0 | - | 4.95 | 82,363 |
| History of Austria | 0 | - | 4.68 | 16,281 |
