| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,128 |
| Name that Greek Letter | 0 | - | 4.93 | 322,754 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,221 |
| Ancient Greek Words | 0 | - | 4.93 | 111,186 |
| The Trojan War | 0 | - | 4.83 | 39,597 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,295 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,336 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,319 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,283 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,933 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,804 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,526 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,804 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,801 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,581 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,645 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 75,950 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,076 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,561 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,453 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,660 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,156 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,048 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,284 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,330 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,433 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,882 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,093 |
| British History A-Z #1 | 0 | - | 4.45 | 46,330 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,384 |
| Europe Map Quiz | 0 | - | 5.00 | 4,748,893 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,588 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,668 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,021 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,538 |
| Roman History by Picture | 0 | - | 4.46 | 26,409 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,934 |
| Name the English Monarchs | 0 | - | 4.91 | 500,551 |
| Prime Ministers of the UK | 0 | - | 4.95 | 437,000 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 399,457 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,825 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,326 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,320 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,918 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,885 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,318 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,852 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,195 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,330 |
| Roman Emperors | 0 | - | 4.95 | 119,426 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,239 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,006 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,704 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,214 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,460 |
| German History A-Z | 0 | - | 4.49 | 24,535 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,801 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,562 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,034 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,265 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,819 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,187 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 140,160 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,142 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,236,437 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,475 |
| The Only European Country ... | 0 | - | 4.91 | 215,428 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,476 |
| History of Russia Quiz | 0 | - | 4.49 | 31,859 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,733 |
| History of Italy | 0 | - | 4.55 | 31,911 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,586 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,115 |
| Counties of England | 0 | - | 4.97 | 793,245 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,750 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,484 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,777 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,045 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,660 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,243 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,781 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,512 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,672 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,050 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,839 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,639 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,537 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,798 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,323 |
| Monarchies of Europe | 0 | - | 4.90 | 97,771 |
| European Countries with One Border | 0 | - | 4.97 | 182,241 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,098 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,744 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,829 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,587 |
| Slavic Countries | 0 | - | 4.96 | 111,332 |
| Federal Subjects of Russia | 0 | - | 4.95 | 145,665 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,589 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,930 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,312 |
| States of Germany | 0 | - | 4.96 | 151,324 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,679 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,094 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,460 |
| Regions of Italy | 0 | - | 4.92 | 75,309 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 50,892 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,340 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,799 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,406 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,925 |
| British Geography Quiz #3 | 0 | - | 4.56 | 30,360 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,395 |
| Champions League Winners | 0 | - | 4.92 | 1,001,683 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,878 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,421 |
| Name a Valid African Country | 0 | - | 4.98 | 153,533 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,708 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,584 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,083 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,872 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,269 |
| Russia Country Quiz | 0 | - | 4.85 | 114,112 |
| Countries That Border Russia | 0 | - | 4.98 | 460,579 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,143 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,225 |
| History of Austria | 0 | - | 4.70 | 17,815 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,151 |
| Departments of France | 0 | - | 4.93 | 53,454 |
| Geography of the French Empire | 0 | - | 4.45 | 27,008 |
| The French Revolution | 0 | - | 4.46 | 23,878 |
| Countries Bordering France | 0 | - | 4.83 | 401,380 |
| History of France | 0 | - | 4.59 | 56,678 |
| Germany Country Quiz | 0 | - | 4.82 | 157,308 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,686 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,443 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,189 |
| Greece Country Quiz | 0 | - | 4.74 | 66,030 |
| Roman to Greek God | 0 | - | 4.52 | 122,546 |
| Italy Country Quiz | 0 | - | 4.82 | 122,790 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,925 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,605 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,178 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,468 |
| Byzantine History | 0 | - | 4.91 | 28,720 |
| The Vikings! | 0 | - | 4.46 | 28,300 |
| The Portuguese Empire | 0 | - | 4.58 | 12,035 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,514 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,146 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,982 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,281 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,172 |
| Geography of the British Empire | 0 | - | 4.48 | 39,602 |
| Medieval English History | 0 | - | 4.53 | 43,423 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,631 |
| England or Wales? | 0 | - | 4.94 | 45,518 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,409 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,566 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,474 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,282 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,678,975 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,180 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,174 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,161 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,964 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,165 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,196 |
| Which City in Europe? | 0 | - | 4.83 | 107,065 |
| Countries that Border Poland | 0 | - | 4.99 | 171,872 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,616 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,767 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,988 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,747 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,694 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,126 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,558 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,074 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,731 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,025 |
| Countries that Beat France | 0 | - | 4.49 | 75,512 |
| France True or False? | 0 | - | 4.43 | 39,875 |
| French History Multiple Choice | 0 | - | 4.55 | 32,964 |
| Germany A-Z | 0 | - | 4.56 | 62,491 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,631 |
| History of Germany | 0 | - | 4.39 | 52,740 |
| Mythology A-Z | 0 | - | 4.31 | 37,127 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,454 |
| Counties of Ireland | 0 | - | 4.92 | 194,214 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,409 |
| Italy A-Z | 0 | - | 4.49 | 58,065 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,668 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,467 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,652 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,814 |
| Roman Names for Places | 0 | - | 4.62 | 58,094 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,148 |
| History of The Netherlands | 0 | - | 4.46 | 17,375 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,266 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,030 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,348 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,597 |
