| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,419 |
| Roman Emperors | 0 | - | 4.95 | 119,655 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,126 |
| Name that Greek Letter | 0 | - | 4.93 | 323,094 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,695 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,860 |
| Roman Names for Places | 0 | - | 4.62 | 58,183 |
| The Trojan War | 0 | - | 4.83 | 39,650 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,538 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,535 |
| Name the English Monarchs | 0 | - | 4.91 | 501,489 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,058 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,752 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,706 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,315 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,003 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,471 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,606 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,314 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,875 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,582 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,251 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,888 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,126 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,285 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,705 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,612 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,480 |
| Regions of Italy | 0 | - | 4.92 | 75,554 |
| History of Italy | 0 | - | 4.55 | 31,936 |
| Byzantine History | 0 | - | 4.91 | 28,755 |
| Countries Bordering France | 0 | - | 4.83 | 401,896 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,613 |
| Italy Country Quiz | 0 | - | 4.82 | 123,196 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,125 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,516 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,743 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,575 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,545 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,391 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,716 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,186 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,791 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,090 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,904 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,098 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,388 |
| Counties of Ireland | 0 | - | 4.92 | 194,656 |
| Roman History by Picture | 0 | - | 4.46 | 26,437 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 60,922 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,630 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,100 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,174 |
| British History A-Z #1 | 0 | - | 4.45 | 46,400 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,586 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,469 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,260 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,693 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,502 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,066 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,111 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,912 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,330 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,448 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,377 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,146 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,785 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,375 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,180 |
| English Royal Consorts | 0 | - | 4.37 | 37,322 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 400,290 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,952 |
| German History A-Z | 0 | - | 4.49 | 24,574 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,937 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,875 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,660 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,124 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,104 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,925 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 140,582 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,542 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,997 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,228 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,835 |
| The Only European Country ... | 0 | - | 4.91 | 215,994 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,773 |
| History of Russia Quiz | 0 | - | 4.49 | 31,880 |
| Ancient Greek Words | 0 | - | 4.93 | 111,354 |
| Italian History A-Z | 0 | - | 4.21 | 17,671 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,572 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,613 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,166 |
| Counties of England | 0 | - | 4.97 | 794,803 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,794 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,808 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,240 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,427 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,974 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,172 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,985 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,989 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,615 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,003 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,725 |
| Slavic Countries | 0 | - | 4.96 | 111,494 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,664 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,118 |
| Geography of Rome | 0 | - | 4.51 | 16,650 |
| Rome City Trivia | 0 | - | 4.49 | 20,650 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,531 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,720 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,488 |
| Champions League Winners | 0 | - | 4.92 | 1,003,775 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,611 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,890 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,784 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,668 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,252 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,908 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,503 |
| Monarchies of Europe | 0 | - | 4.90 | 97,953 |
| European Countries with One Border | 0 | - | 4.97 | 182,513 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,319 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,626 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,288 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 77,949 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,682 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,966 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,344 |
| Russia Country Quiz | 0 | - | 4.85 | 114,281 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,404 |
| Countries That Border Russia | 0 | - | 4.98 | 461,115 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,238 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,727 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,293 |
| History of Austria | 0 | - | 4.70 | 17,835 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,156 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,460 |
| Departments of France | 0 | - | 4.93 | 53,789 |
| Geography of the French Empire | 0 | - | 4.45 | 27,025 |
| The French Revolution | 0 | - | 4.46 | 23,901 |
| History of France | 0 | - | 4.59 | 56,831 |
| French History A-Z | 0 | - | 4.23 | 24,556 |
| Germany Country Quiz | 0 | - | 4.82 | 157,580 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,542 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,869 |
| States of Germany | 0 | - | 4.96 | 151,915 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,464 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,891 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,816 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,087 |
| Serie A Champions | 0 | - | 4.29 | 58,145 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,882 |
| The Vikings! | 0 | - | 4.46 | 28,319 |
| The Portuguese Empire | 0 | - | 4.58 | 12,047 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,659 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,643 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,370 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,020 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,575 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,237 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,307 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,300 |
| Geography of the British Empire | 0 | - | 4.48 | 39,631 |
| Animals in British History | 0 | - | 4.44 | 25,976 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,421 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,660 |
| England or Wales? | 0 | - | 4.94 | 45,603 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,747 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,688,158 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,512 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,042 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,275 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,346 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,783 |
| Countries that Border Poland | 0 | - | 4.99 | 172,055 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,721 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,250 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,092 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,248 |
| Countries that Beat France | 0 | - | 4.49 | 75,613 |
| France True or False? | 0 | - | 4.43 | 39,905 |
| French History Multiple Choice | 0 | - | 4.55 | 33,002 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,759 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,866 |
| Roman to Greek God | 0 | - | 4.52 | 122,655 |
| Famous Italians by Picture | 0 | - | 4.05 | 21,922 |
| History of The Netherlands | 0 | - | 4.46 | 17,407 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,299 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,795 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,314 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,054 |
| Finland Country Quiz | 0 | - | 4.50 | 59,535 |
| Norway Country Quiz | 0 | - | 4.44 | 77,179 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,083 |
| Spanish History A-Z | 0 | - | 4.37 | 19,268 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,339 |
| Arthurian Legend | 0 | - | 4.33 | 25,095 |
| British Monopoly Board | 0 | - | 4.52 | 41,139 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,907 |
