| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,503 |
| Roman Emperors | 0 | - | 4.95 | 119,959 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,052 |
| Name that Greek Letter | 0 | - | 4.93 | 323,351 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,729 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,909 |
| Roman Names for Places | 0 | - | 4.62 | 58,262 |
| The Trojan War | 0 | - | 4.83 | 39,706 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,765 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,858 |
| Name the English Monarchs | 0 | - | 4.91 | 502,355 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,178 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,080 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,842 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,967 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,907 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,107 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,620 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,646 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,453 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,974 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,556 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,309 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,139 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 81,186 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,573 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,923 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,802 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,495 |
| Regions of Italy | 0 | - | 4.92 | 75,822 |
| History of Italy | 0 | - | 4.55 | 31,968 |
| Byzantine History | 0 | - | 4.91 | 28,841 |
| Byzantine Emperors | 0 | - | 4.94 | 13,847 |
| Countries Bordering France | 0 | - | 4.83 | 402,407 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,272 |
| Italy Country Quiz | 0 | - | 4.82 | 123,358 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,307 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,538 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,783 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,644 |
| Europe Map Quiz | 0 | - | 5.00 | 4,760,996 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,476 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,759 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,286 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,853 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,157 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,942 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,535 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,450 |
| Counties of Ireland | 0 | - | 4.92 | 195,119 |
| Roman History by Picture | 0 | - | 4.46 | 26,458 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,885 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,239 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,592 |
| British History A-Z #1 | 0 | - | 4.45 | 46,474 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,646 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,564 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,617 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,804 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,015 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,160 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,342 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,008 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,339 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,829 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,546 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,298 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,909 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,505 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,344 |
| English Royal Consorts | 0 | - | 4.37 | 37,343 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 401,096 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,330 |
| German History A-Z | 0 | - | 4.49 | 24,601 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,979 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,906 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,815 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,151 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,133 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,950 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 140,965 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,907 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,243,115 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,091 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,140 |
| The Only European Country ... | 0 | - | 4.91 | 216,465 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,035 |
| History of Russia Quiz | 0 | - | 4.47 | 31,913 |
| Ancient Greek Words | 0 | - | 4.93 | 111,541 |
| Italian History A-Z | 0 | - | 4.21 | 17,698 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,595 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,648 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,215 |
| Counties of England | 0 | - | 4.97 | 796,238 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,846 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,831 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,620 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,617 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,153 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,565 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,107 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,342 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,495 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,210 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,141 |
| Slavic Countries | 0 | - | 4.96 | 111,611 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 74,079 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,133 |
| Geography of Rome | 0 | - | 4.51 | 16,664 |
| Rome City Trivia | 0 | - | 4.49 | 20,666 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,811 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,744 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,498 |
| Champions League Winners | 0 | - | 4.92 | 1,006,094 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,803 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,065 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,945 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,799 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,450 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,208 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,696 |
| Monarchies of Europe | 0 | - | 4.90 | 98,094 |
| European Countries with One Border | 0 | - | 4.97 | 182,714 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,513 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,099 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,692 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 78,323 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,011 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,755 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,623 |
| Russia Country Quiz | 0 | - | 4.85 | 114,432 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,001 |
| Countries That Border Russia | 0 | - | 4.98 | 461,583 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,317 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,855 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,329 |
| History of Austria | 0 | - | 4.70 | 17,859 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,670 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,358 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,687 |
| Departments of France | 0 | - | 4.93 | 54,043 |
| Geography of the French Empire | 0 | - | 4.45 | 27,051 |
| The French Revolution | 0 | - | 4.46 | 23,926 |
| History of France | 0 | - | 4.59 | 56,940 |
| French History A-Z | 0 | - | 4.27 | 24,617 |
| Germany Country Quiz | 0 | - | 4.82 | 157,783 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,751 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,218 |
| States of Germany | 0 | - | 4.96 | 152,401 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,992 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,981 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,100 |
| Serie A Champions | 0 | - | 4.29 | 58,244 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,100 |
| The Vikings! | 0 | - | 4.46 | 28,341 |
| The Portuguese Empire | 0 | - | 4.58 | 12,062 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,890 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,883 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,599 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,171 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,961 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,517 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,343 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,429 |
| Geography of the British Empire | 0 | - | 4.48 | 39,662 |
| Animals in British History | 0 | - | 4.43 | 25,997 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,437 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,691 |
| England or Wales? | 0 | - | 4.94 | 45,667 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,248 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,695,841 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,724 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,092 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,357 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,417 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,993 |
| Countries that Border Poland | 0 | - | 4.99 | 172,229 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,822 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,687 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,190 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,361 |
| Countries that Beat France | 0 | - | 4.49 | 75,783 |
| France True or False? | 0 | - | 4.44 | 39,928 |
| French History Multiple Choice | 0 | - | 4.55 | 33,028 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,786 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,943 |
| Roman to Greek God | 0 | - | 4.52 | 122,780 |
| Famous Italians by Picture | 0 | - | 4.06 | 21,935 |
| History of The Netherlands | 0 | - | 4.46 | 17,428 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,343 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,886 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,364 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,075 |
| Finland Country Quiz | 0 | - | 4.50 | 59,644 |
| Norway Country Quiz | 0 | - | 4.44 | 77,298 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,146 |
| Spanish History A-Z | 0 | - | 4.37 | 19,286 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,411 |
| Arthurian Legend | 0 | - | 4.33 | 25,108 |
| British Monopoly Board | 0 | - | 4.52 | 41,163 |
