| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,117 |
| Roman Emperors | 0 | - | 4.95 | 118,626 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,706 |
| Name that Greek Letter | 0 | - | 4.94 | 321,883 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,521 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,566 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,718 |
| Roman Names for Places | 0 | - | 4.62 | 57,923 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,975 |
| The Trojan War | 0 | - | 4.83 | 39,470 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,724 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,119 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,002 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,667 |
| Name the English Monarchs | 0 | - | 4.92 | 498,551 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,508 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,462 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,954 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,932 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,063 |
| Roman History by Picture | 0 | - | 4.46 | 26,354 |
| Byzantine History | 0 | - | 4.91 | 28,651 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,080 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,543 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,573 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,218 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,123 |
| Ancient Greek Words | 0 | - | 4.92 | 110,812 |
| Regions of Italy | 0 | - | 4.92 | 74,863 |
| History of Italy | 0 | - | 4.55 | 31,845 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,019 |
| Countries Bordering France | 0 | - | 4.83 | 400,053 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,318 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,592 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,987 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,472 |
| Italy Country Quiz | 0 | - | 4.82 | 122,345 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,534 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,391 |
| British History A-Z #1 | 0 | - | 4.45 | 46,146 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,376 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,191 |
| Europe Map Quiz | 0 | - | 5.00 | 4,735,005 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,546 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,851 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,581 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,852 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,599 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,208 |
| Counties of Ireland | 0 | - | 4.92 | 193,298 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,475 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,455 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,478 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,602 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,877 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,831 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,843 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,700 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,576 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,191 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,665 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,501 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,537 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,805 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,432 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,791 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,926 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,753 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,525 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,920 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,583 |
| German History A-Z | 0 | - | 4.49 | 24,429 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,397 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,048 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,634 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,348 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,358 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,257 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,846 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,883 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,757 |
| The Only European Country ... | 0 | - | 4.91 | 214,163 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,773 |
| History of Russia Quiz | 0 | - | 4.49 | 31,803 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,679 |
| Italian History A-Z | 0 | - | 4.21 | 17,561 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,627 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,499 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,009 |
| Counties of England | 0 | - | 4.97 | 790,068 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,590 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,703 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,598 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,442 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,813 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,407 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,111 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,616 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,530 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,563 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,030 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,105 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,340 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,911 |
| Monarchies of Europe | 0 | - | 4.90 | 97,420 |
| European Countries with One Border | 0 | - | 4.97 | 181,761 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,655 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,394 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,386 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,295 |
| Slavic Countries | 0 | - | 4.96 | 110,961 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,388 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,283 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,349 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,748 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,844 |
| States of Germany | 0 | - | 4.96 | 150,374 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,127 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,012 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,294 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,052 |
| Geography of Rome | 0 | - | 4.51 | 16,630 |
| Rome City Trivia | 0 | - | 4.49 | 20,593 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,917 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,515 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,410 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,121 |
| English Royal Consorts | 0 | - | 4.37 | 37,210 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,358 |
| Champions League Winners | 0 | - | 4.92 | 997,523 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,022 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,337 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,203 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,813 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,458 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,383 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,245 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,397 |
| Russia Country Quiz | 0 | - | 4.85 | 113,745 |
| Countries That Border Russia | 0 | - | 4.98 | 459,417 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,927 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,090 |
| History of Austria | 0 | - | 4.70 | 17,768 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,357 |
| Departments of France | 0 | - | 4.93 | 52,956 |
| Geography of the French Empire | 0 | - | 4.45 | 26,952 |
| The French Revolution | 0 | - | 4.46 | 23,806 |
| History of France | 0 | - | 4.59 | 56,223 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,663 |
| Germany Country Quiz | 0 | - | 4.82 | 156,736 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,288 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,399 |
| Roman to Greek God | 0 | - | 4.52 | 122,299 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,209 |
| Serie A Champions | 0 | - | 4.29 | 57,789 |
| The Vikings! | 0 | - | 4.46 | 28,254 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,501 |
| Finland Country Quiz | 0 | - | 4.50 | 59,187 |
| Norway Country Quiz | 0 | - | 4.44 | 76,730 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,900 |
| The Portuguese Empire | 0 | - | 4.54 | 12,001 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,168 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,759 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,118 |
| British Monopoly Board | 0 | - | 4.52 | 41,051 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,481 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,217 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,903 |
| Geography of the British Empire | 0 | - | 4.48 | 39,511 |
| Medieval English History | 0 | - | 4.53 | 43,338 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,562 |
| England or Wales? | 0 | - | 4.94 | 45,379 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,686 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,659,947 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,403 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,104 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,825 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,918 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,904 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,087 |
| Countries that Border Poland | 0 | - | 4.99 | 171,473 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,429 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,995 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,776 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,765 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,659 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,573 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,839 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,443 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,845 |
| Countries that Beat France | 0 | - | 4.49 | 75,236 |
| France True or False? | 0 | - | 4.43 | 39,805 |
| French History Multiple Choice | 0 | - | 4.55 | 32,895 |
| History of Germany | 0 | - | 4.39 | 52,647 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,633 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,249 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,210 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,326 |
| Italy A-Z | 0 | - | 4.49 | 57,801 |
| Famous Italians by Picture | 0 | - | 4.05 | 21,858 |
