| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,527 |
| Name that Greek Letter | 0 | - | 4.93 | 324,309 |
| Ancient Greek Words | 0 | - | 4.93 | 112,019 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,310 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,597 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,680 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,661 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,878 |
| Roman Emperors | 0 | - | 4.95 | 120,504 |
| Roman History by Picture | 0 | - | 4.46 | 26,513 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,054 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,130 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,316 |
| The Trojan War | 0 | - | 4.83 | 39,835 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,367 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,245 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,180 |
| Byzantine History | 0 | - | 4.91 | 28,936 |
| Byzantine Emperors | 0 | - | 4.92 | 14,409 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,843 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,854 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,205 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,414 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,215 |
| Regions of Italy | 0 | - | 4.92 | 76,397 |
| History of Italy | 0 | - | 4.55 | 32,079 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 103,306 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,781 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,634 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 40,943 |
| Geography of the Roman Empire | 0 | - | 4.56 | 52,029 |
| Roman Names for Places | 0 | - | 4.62 | 58,467 |
| British History A-Z #1 | 0 | - | 4.45 | 46,609 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,873 |
| Europe Map Quiz | 0 | - | 5.00 | 4,773,979 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,558 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,918 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,056 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,448 |
| Name the English Monarchs | 0 | - | 4.91 | 504,404 |
| Prime Ministers of the UK | 0 | - | 4.95 | 440,541 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 403,099 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,449 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,621 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,420 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,259 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,456 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,700 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,212 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,793 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,799 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,268 |
| German History A-Z | 0 | - | 4.49 | 24,678 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,973 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,015 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,243 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,537 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 142,221 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,783 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,250,089 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,629 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,867 |
| The Only European Country ... | 0 | - | 4.91 | 217,662 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,758 |
| History of Russia Quiz | 0 | - | 4.47 | 31,968 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,531 |
| Italy A-Z | 0 | - | 4.49 | 58,494 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,741 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,315 |
| Counties of England | 0 | - | 4.97 | 799,668 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,984 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,739 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,805 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,899 |
| Premier League Relegated Teams | 0 | - | 4.81 | 127,079 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,685 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,153 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,032 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,537 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,113 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,635 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,953 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,445 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,842 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,612 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,765 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,064 |
| Monarchies of Europe | 0 | - | 4.90 | 98,431 |
| European Countries with One Border | 0 | - | 4.97 | 183,230 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,007 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,407 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,674 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,488 |
| Slavic Countries | 0 | - | 4.96 | 111,975 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,240 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,177 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,953 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,303 |
| States of Germany | 0 | - | 4.95 | 153,489 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,347 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,134 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,503 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,613 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,466 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,224 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,493 |
| Champions League Winners | 0 | - | 4.92 | 1,010,726 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,417 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,343 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,395 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,650 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,914 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,701 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,215 |
| Russia Country Quiz | 0 | - | 4.83 | 114,774 |
| Countries That Border Russia | 0 | - | 4.98 | 463,041 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,520 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,437 |
| History of Austria | 0 | - | 4.70 | 17,921 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,807 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,273 |
| Departments of France | 0 | - | 4.93 | 54,591 |
| Geography of the French Empire | 0 | - | 4.45 | 27,164 |
| The French Revolution | 0 | - | 4.47 | 24,075 |
| Countries Bordering France | 0 | - | 4.83 | 403,780 |
| History of France | 0 | - | 4.61 | 57,335 |
| Germany Country Quiz | 0 | - | 4.83 | 158,298 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,726 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,877 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,109 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,965 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,863 |
| Roman to Greek God | 0 | - | 4.52 | 123,070 |
| Italy Country Quiz | 0 | - | 4.77 | 123,693 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,689 |
| Serie A Champions | 0 | - | 4.29 | 58,535 |
| The Vikings! | 0 | - | 4.46 | 28,374 |
| The Portuguese Empire | 0 | - | 4.58 | 12,087 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,168 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,328 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,126 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,422 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,964 |
| Geography of the British Empire | 0 | - | 4.48 | 39,766 |
| Medieval English History | 0 | - | 4.53 | 43,589 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,770 |
| England or Wales? | 0 | - | 4.94 | 45,824 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,180 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,151 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,711,239 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,332 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,283 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,215 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,553 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,682 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,496 |
| Countries that Border Poland | 0 | - | 4.99 | 172,684 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,018 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,142 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,721 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,479 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,946 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,909 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,721 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,901 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,710 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,987 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,308 |
| France True or False? | 0 | - | 4.44 | 39,996 |
| French History Multiple Choice | 0 | - | 4.55 | 33,141 |
| Germany A-Z | 0 | - | 4.56 | 62,723 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,655 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,822 |
| History of Germany | 0 | - | 4.39 | 52,911 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,379 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,738 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,796 |
| Counties of Ireland | 0 | - | 4.92 | 196,240 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,519 |
| Italian History A-Z | 0 | - | 4.21 | 17,747 |
| History of The Netherlands | 0 | - | 4.46 | 17,498 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,142 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,578 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,471 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,122 |
| British Geography Quiz #1 | 0 | - | 4.55 | 53,005 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,435 |
| Monty Python Quotes | 0 | - | 4.89 | 42,518 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,457 |
| Roald Dahl Books | 0 | - | 4.44 | 34,091 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.56 | 34,431 |
| Middle Earth Geography | 0 | - | 4.56 | 39,885 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,619 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,900 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,971 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,165 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,791 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,864 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,193 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,811 |
