| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,642 |
| Roman Emperors | 0 | - | 4.95 | 120,368 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,746 |
| Name that Greek Letter | 0 | - | 4.93 | 324,138 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,785 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,987 |
| Roman Names for Places | 0 | - | 4.62 | 58,394 |
| The Trojan War | 0 | - | 4.83 | 39,795 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,216 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,475 |
| Name the English Monarchs | 0 | - | 4.91 | 503,835 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,202 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,121 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,015 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,315 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,899 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,269 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,871 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,706 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,640 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,187 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,790 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,407 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,718 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,285 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,064 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,299 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,120 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,518 |
| Regions of Italy | 0 | - | 4.92 | 76,217 |
| History of Italy | 0 | - | 4.55 | 32,050 |
| Byzantine History | 0 | - | 4.91 | 28,913 |
| Byzantine Emperors | 0 | - | 4.92 | 14,353 |
| Countries Bordering France | 0 | - | 4.83 | 403,485 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,608 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,636 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,612 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,840 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,759 |
| Europe Map Quiz | 0 | - | 5.00 | 4,770,278 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,569 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,850 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,649 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,959 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,279 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,019 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,313 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,555 |
| Counties of Ireland | 0 | - | 4.92 | 196,007 |
| Roman History by Picture | 0 | - | 4.46 | 26,496 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,331 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,489 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,228 |
| British History A-Z #1 | 0 | - | 4.45 | 46,574 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,794 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,742 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,787 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,987 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,973 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,352 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,711 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,185 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,369 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,671 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,728 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,501 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,056 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,720 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,664 |
| English Royal Consorts | 0 | - | 4.38 | 37,406 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 402,657 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,992 |
| German History A-Z | 0 | - | 4.49 | 24,656 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,070 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,945 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,980 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,215 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,202 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,998 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 141,946 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,518 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,248,167 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,556 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,647 |
| The Only European Country ... | 0 | - | 4.91 | 217,342 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,549 |
| History of Russia Quiz | 0 | - | 4.47 | 31,947 |
| Ancient Greek Words | 0 | - | 4.93 | 111,892 |
| Italian History A-Z | 0 | - | 4.21 | 17,736 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,642 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,718 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,294 |
| Counties of England | 0 | - | 4.97 | 798,699 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,950 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,875 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,041 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,898 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,413 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,325 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,343 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,191 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,874 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,541 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,383 |
| Slavic Countries | 0 | - | 4.96 | 111,870 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.98 | 74,573 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,173 |
| Geography of Rome | 0 | - | 4.51 | 16,682 |
| Rome City Trivia | 0 | - | 4.49 | 20,686 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 103,210 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,795 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,529 |
| Champions League Winners | 0 | - | 4.92 | 1,009,643 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,070 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,305 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,234 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,030 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,825 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,669 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,969 |
| Monarchies of Europe | 0 | - | 4.90 | 98,335 |
| European Countries with One Border | 0 | - | 4.97 | 183,098 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,879 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,863 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,332 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 85,654 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,590 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,942 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,009 |
| Russia Country Quiz | 0 | - | 4.83 | 114,682 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,950 |
| Countries That Border Russia | 0 | - | 4.98 | 462,764 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,459 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,079 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,411 |
| History of Austria | 0 | - | 4.70 | 17,901 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,761 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,783 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,108 |
| Departments of France | 0 | - | 4.93 | 54,431 |
| Geography of the French Empire | 0 | - | 4.45 | 27,154 |
| The French Revolution | 0 | - | 4.47 | 24,057 |
| History of France | 0 | - | 4.59 | 57,260 |
| French History A-Z | 0 | - | 4.27 | 24,752 |
| Germany Country Quiz | 0 | - | 4.83 | 158,154 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,131 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,603 |
| States of Germany | 0 | - | 4.95 | 153,139 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,271 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,837 |
| Italy Country Quiz | 0 | - | 4.77 | 123,584 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,358 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,123 |
| Serie A Champions | 0 | - | 4.29 | 58,462 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,406 |
| The Vikings! | 0 | - | 4.46 | 28,368 |
| The Portuguese Empire | 0 | - | 4.58 | 12,082 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,098 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,355 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,183 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,387 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,143 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,962 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,402 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,650 |
| Geography of the British Empire | 0 | - | 4.48 | 39,733 |
| Animals in British History | 0 | - | 4.43 | 26,040 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,479 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,744 |
| England or Wales? | 0 | - | 4.94 | 45,793 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,960 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,707,399 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,049 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,177 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,505 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,619 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,346 |
| Countries that Border Poland | 0 | - | 4.99 | 172,585 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,970 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,447 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,408 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,649 |
| Countries that Beat France | 0 | - | 4.49 | 76,014 |
| France True or False? | 0 | - | 4.44 | 39,980 |
| French History Multiple Choice | 0 | - | 4.55 | 33,117 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,856 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,054 |
| Roman to Greek God | 0 | - | 4.52 | 123,008 |
| Famous Italians by Picture | 0 | - | 4.06 | 21,968 |
| History of The Netherlands | 0 | - | 4.46 | 17,481 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,399 |
| Denmark Country Quiz | 0 | - | 4.78 | 76,018 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,410 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,122 |
| Finland Country Quiz | 0 | - | 4.50 | 59,775 |
| Norway Country Quiz | 0 | - | 4.44 | 77,487 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,234 |
| Spanish History A-Z | 0 | - | 4.37 | 19,322 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,520 |
| Arthurian Legend | 0 | - | 4.33 | 25,131 |
