| Ancient Roman Trivia #1 | 0 | - | 4.84 | 72,140 |
| Roman Emperors | 0 | - | 4.95 | 96,972 |
| Roman Names for Places | 0 | - | 4.66 | 41,986 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 589,472 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 35,599 |
| Geography of the Roman Empire | 0 | - | 4.57 | 48,783 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 86,611 |
| The Life of Julius Caesar | 0 | - | 4.46 | 32,272 |
| Name that Greek Letter | 0 | - | 4.94 | 297,616 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 103,661 |
| English Monarchs Quiz | 0 | - | 4.91 | 451,548 |
| Seven Hills of Rome | 0 | - | 4.68 | 8,591 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 402,683 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 49,296 |
| Countries Bordering Italy | 0 | - | 4.95 | 95,312 |
| Countries Closest to Italy | 0 | - | 4.97 | 180,994 |
| The Trojan War | 0 | - | 4.80 | 36,213 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.55 | 56,580 |
| Ancient Greece - Multiple Choice | 0 | - | 4.53 | 38,935 |
| Countries that Beat Italy | 0 | - | 4.88 | 46,102 |
| Olympian Gods Quiz | 0 | - | 4.96 | 459,809 |
| Countries Italy Declared War On | 0 | - | 4.76 | 40,271 |
| Byzantine History | 0 | - | 4.87 | 26,424 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 135,139 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 63,968 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.94 | 50,512 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 59,735 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 47,172 |
| The Life of Alexander the Great | 0 | - | 4.51 | 17,533 |
| Regions of Italy | 0 | - | 4.89 | 61,436 |
| Houses of British Monarchs | 0 | - | 4.50 | 52,587 |
| Countries Bordering France | 0 | - | 4.87 | 360,114 |
| Countries Bordering Germany | 0 | - | 4.99 | 343,098 |
| States of the German Confederation in 1848 | 0 | - | 4.84 | 26,896 |
| Italy Country Quiz | 0 | - | 4.81 | 110,423 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 135,256 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,860 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.89 | 51,820 |
| Countries Closest to Spain | 0 | - | 4.95 | 207,638 |
| Countries of Iberia in History with a Map | 0 | - | 4.82 | 34,672 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.96 | 76,599 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 106,532 |
| British History A-Z | 0 | - | 4.47 | 39,889 |
| English First Names of the Middle Ages | 0 | - | 4.41 | 45,778 |
| British History Quiz for Dummies | 0 | - | 4.54 | 62,178 |
| World Capitals Closest to London | 0 | - | 4.91 | 94,195 |
| 50 Busiest Air Routes from London | 0 | - | 4.88 | 87,134 |
| Europe Map Quiz | 0 | - | 5.00 | 4,331,681 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.72 | 54,238 |
| Countries Bordering Austria | 0 | - | 4.97 | 110,798 |
| Countries that Visit France the Most | 0 | - | 4.81 | 40,311 |
| Countries Closest to Metropolitan France | 0 | - | 4.87 | 66,737 |
| The Reign of Napoleon | 0 | - | 4.53 | 36,318 |
| Countries With the Most German Speakers | 0 | - | 4.88 | 53,047 |
| Famous Ancient Romans | 0 | - | 4.72 | 74,710 |
| Roman History Vocabulary | 0 | - | 4.43 | 55,341 |
| Roman History by Picture | 0 | - | 4.44 | 24,703 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.81 | 10,164 |
| Greenland Country Quiz | 0 | - | 4.81 | 32,716 |
| Countries Closest to Iceland | 0 | - | 4.87 | 63,605 |
| Countries that Beat Portugal | 0 | - | 4.84 | 36,141 |
| Countries that Beat Spain | 0 | - | 4.95 | 56,332 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 90,973 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 223,564 |
| English Royal Consorts | 0 | - | 4.28 | 34,740 |
| The Reign of Queen Elizabeth I | 0 | - | 4.50 | 29,831 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 352,730 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 390,264 |
| Country Quiz on a Map - France | 0 | - | 4.97 | 39,749 |
| Countries that Beat Germany | 0 | - | 4.87 | 70,987 |
| Ancient Greek Inventions | 0 | - | 4.17 | 15,570 |
| Figures from Greek Mythology | 0 | - | 4.92 | 170,382 |
| History of Italy | 0 | - | 4.49 | 29,954 |
| Geography of the Spanish Empire | 0 | - | 4.48 | 35,382 |
| British History Multiple Choice #1 | 0 | - | 4.47 | 51,875 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.95 | 110,320 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 338,418 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,343 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,697 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,596 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 75,075 |
| Counties of England | 0 | - | 4.97 | 699,158 |
| Invasions of Great Britain | 0 | - | 4.49 | 55,919 |
| The Reign of Queen Elizabeth II | 0 | - | 4.38 | 33,900 |
| Countries That Use the Euro | 0 | - | 4.93 | 65,017 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,058,571 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,200,275 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 94,369 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,225 |
| The Only European Country ... | 0 | - | 4.93 | 181,530 |
| Country Quiz on a Map - Germany | 0 | - | 4.93 | 27,628 |
| Ancient Greek Words | 0 | - | 4.90 | 98,648 |
| Italian History A-Z | 0 | - | 4.13 | 8,914 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 73,084 |
| The Reign of Henry VIII | 0 | - | 4.24 | 26,398 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.29 | 23,449 |
| Champions League Winners | 0 | - | 4.91 | 877,527 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 179,336 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 139,647 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 189,053 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 77,816 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 287,717 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 118,202 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 75,850 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 116,526 |
| Slavic Countries | 0 | - | 4.96 | 101,252 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 58,542 |
| Ancient Greece A-Z | 0 | - | 4.63 | 20,947 |
| Geography of Ancient Greece | 0 | - | 4.76 | 30,172 |
| Geography of Rome | 0 | - | 4.50 | 15,924 |
| Rome City Trivia | 0 | - | 4.47 | 19,516 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,359 |
| The Vikings! | 0 | - | 4.45 | 27,235 |
| The Portuguese Empire | 0 | - | 4.54 | 11,380 |
| Spain Cities Map Quiz | 0 | - | 4.86 | 87,194 |
| Regions of Spain Quiz | 0 | - | 4.87 | 96,437 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 170,852 |
| Cantons of Switzerland | 0 | - | 4.97 | 41,006 |
| Countries and Territories of the United Kingdom | 0 | - | 4.88 | 84,544 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 101,571 |
| Wives of King Henry VIII | 0 | - | 4.55 | 51,113 |
| Countries the UK Declared War On | 0 | - | 4.58 | 113,311 |
| Geography of the British Empire | 0 | - | 4.51 | 37,296 |
| Animals in British History | 0 | - | 4.49 | 24,035 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 22,296 |
| England or Wales? | 0 | - | 4.93 | 40,702 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 278,020 |
| All Champions League Teams Ever | 0 | - | 4.90 | 106,917 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 94,673 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 182,224 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 116,500 |
| European Diaspora - Top 11 Countries | 0 | - | 4.89 | 84,844 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 122,561 |
| Three Band Flags of Europe | 0 | - | 4.97 | 162,673 |
| Pixelated Europe Map | 0 | - | 4.90 | 110,464 |
| Monarchies of Europe | 0 | - | 4.88 | 87,744 |
| European Countries with One Border | 0 | - | 4.96 | 151,982 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 145,643 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 203,546 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 249,280 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 145,031 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 191,610 |
| Name a Valid European Country #2 | 0 | - | 4.93 | 85,357 |
| Russia Country Quiz | 0 | - | 4.84 | 104,378 |
| History of Russia Quiz | 0 | - | 4.48 | 30,031 |
| Federal Subjects of Russia | 0 | - | 4.95 | 115,023 |
| Countries That Border Russia | 0 | - | 4.98 | 429,467 |
| Croatia Country Quiz | 0 | - | 4.81 | 37,865 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 102,763 |
| History of Austria | 0 | - | 4.69 | 16,504 |
| Regions of France Map Quiz | 0 | - | 4.96 | 128,608 |
| France Cities Map Quiz | 0 | - | 4.96 | 149,660 |
| France Immigration by Country | 0 | - | 4.81 | 69,711 |
| Geography of the French Empire | 0 | - | 4.49 | 25,543 |
| The French Revolution | 0 | - | 4.45 | 22,080 |
| History of France Quiz | 0 | - | 4.55 | 39,914 |
| French History A-Z | 0 | - | 4.15 | 12,591 |
| Germany Country Quiz | 0 | - | 4.82 | 141,781 |
| States of Germany Map Quiz | 0 | - | 4.92 | 121,515 |
| Germany Cities Map Quiz | 0 | - | 4.84 | 107,193 |
| States of Germany | 0 | - | 4.93 | 125,877 |
| Germany Immigration by Country | 0 | - | 4.90 | 70,714 |
| German History A-Z | 0 | - | 4.17 | 13,449 |
| Counties of Ireland | 0 | - | 4.90 | 161,928 |
| History of Ireland Quiz | 0 | - | 4.44 | 19,088 |
| Italy Cities Map Quiz | 0 | - | 4.96 | 139,094 |
| Embarrassing Chapters in Italian History | 0 | - | 4.20 | 11,235 |
| Serie A Champions | 0 | - | 4.28 | 52,276 |
| History of The Netherlands | 0 | - | 4.43 | 15,884 |
| Countries that Beat the Netherlands | 0 | - | 4.58 | 33,738 |
| Denmark Country Quiz | 0 | - | 4.79 | 70,193 |
| Most-Visited Countries by Swedes | 0 | - | 4.65 | 50,682 |
| Finland Country Quiz | 0 | - | 4.48 | 53,488 |
| Iceland Country Quiz | 0 | - | 4.66 | 39,195 |
| Spanish History A-Z | 0 | - | 4.30 | 11,349 |
| Countries Bordering Spain | 0 | - | 4.50 | 64,877 |
| Arthurian Legend | 0 | - | 4.35 | 24,338 |
| British Monopoly Board | 0 | - | 4.51 | 39,386 |
| Countries that Visit the UK the Most | 0 | - | 4.85 | 63,625 |
| British Geography Quiz #1 | 0 | - | 4.53 | 45,909 |
| Best-Selling British Musical Acts | 0 | - | 4.47 | 43,831 |
| Medieval English History | 0 | - | 4.52 | 41,112 |
| Prime Ministers of the UK | 0 | - | 4.95 | 384,960 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,205,457 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 159,317 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 66,543 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 129,230 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 57,076 |
| Category Elimination - European Countries #1 | 0 | - | 4.88 | 77,617 |
| Countries that Border Poland | 0 | - | 4.99 | 159,834 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.92 | 76,541 |
| Countries With the Most Russian Speakers | 0 | - | 4.95 | 57,138 |
| Countries that Border Hungary | 0 | - | 4.98 | 97,107 |
| Countries Bordering Serbia | 0 | - | 4.95 | 83,924 |
| Countries that Beat France | 0 | - | 4.57 | 66,677 |
| France True or False? | 0 | - | 4.41 | 37,423 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.49 | 36,090 |
| Countries that Beat Greece | 0 | - | 4.51 | 43,908 |
| Roman to Greek God | 0 | - | 4.51 | 114,907 |
| Famous Italians by Picture | 0 | - | 4.03 | 20,530 |
