| Country Quiz on a Map - France | 0 | - | 4.98 | 47,559 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,130 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,001 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,486 |
| Name that Greek Letter | 0 | - | 4.93 | 324,611 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,314 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,326 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,045 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,569 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,457 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,590 |
| Ancient Greek Words | 0 | - | 4.93 | 112,206 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,490 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,442 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,096 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,394 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,362 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,019 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,073 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,337 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,514 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,535 |
| Europe Map Quiz | 0 | - | 5.00 | 4,779,617 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,679 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,752 |
| Name the English Monarchs | 0 | - | 4.91 | 505,219 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,076 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,361 |
| The Trojan War | 0 | - | 4.83 | 39,926 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,636 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,454 |
| Roman Emperors | 0 | - | 4.95 | 120,835 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,939 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,708 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,911 |
| Prime Ministers of the UK | 0 | - | 4.95 | 441,231 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 403,760 |
| Topological Map of Asia Quiz | 0 | - | 4.82 | 20,346 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,657 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,822 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,869 |
| Denmark Country Quiz | 0 | - | 4.78 | 76,156 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,466 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,162 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,277 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,634 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 142,687 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,210 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,253,205 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,663 |
| The Only European Country ... | 0 | - | 4.91 | 218,253 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,099 |
| History of Russia Quiz | 0 | - | 4.47 | 31,980 |
| History of Italy | 0 | - | 4.55 | 32,105 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,774 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,372 |
| Counties of England | 0 | - | 4.97 | 801,003 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,036 |
| British History A-Z #1 | 0 | - | 4.45 | 46,920 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,972 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,905 |
| Premier League Relegated Teams | 0 | - | 4.81 | 127,426 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,905 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,250 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,807 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,147 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,582 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,068 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,767 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,907 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,618 |
| Slavic Countries | 0 | - | 4.96 | 112,154 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,311 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,693 |
| Iceland... or Ireland? | 0 | - | 4.74 | 57,171 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,688 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,933 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,402 |
| Geography of Spain | 0 | - | 4.59 | 22,146 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,627 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,766 |
| Champions League Winners | 0 | - | 4.92 | 1,012,707 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,609 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,678 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,326 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,051 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,486 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,243 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,519 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,576 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,526 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,291 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,209 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,142 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,255 |
| Monarchies of Europe | 0 | - | 4.90 | 98,600 |
| European Countries with One Border | 0 | - | 4.97 | 183,461 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,214 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,196 |
| Topological Map of Mainland Europe | 0 | - | 4.39 | 28,998 |
| Russia Country Quiz | 0 | - | 4.83 | 115,115 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,780 |
| Countries That Border Russia | 0 | - | 4.98 | 463,827 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,604 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,305 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,502 |
| History of Austria | 0 | - | 4.70 | 17,946 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,868 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,317 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,489 |
| Departments of France | 0 | - | 4.93 | 54,823 |
| Geography of the French Empire | 0 | - | 4.45 | 27,193 |
| The French Revolution | 0 | - | 4.47 | 24,108 |
| Countries Bordering France | 0 | - | 4.83 | 404,286 |
| History of France | 0 | - | 4.61 | 57,447 |
| Germany Country Quiz | 0 | - | 4.83 | 158,538 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,493 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,868 |
| States of Germany | 0 | - | 4.95 | 153,906 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,538 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,503 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,272 |
| German History A-Z | 0 | - | 4.49 | 24,807 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,296 |
| Regions of Italy | 0 | - | 4.92 | 76,631 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,991 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,853 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,694 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,156 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,633 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,643 |
| The Vikings! | 0 | - | 4.46 | 28,388 |
| The Portuguese Empire | 0 | - | 4.58 | 12,094 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,298 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,962 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,558 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,577 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,350 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,414 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,434 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,093 |
| Geography of the British Empire | 0 | - | 4.48 | 39,810 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,803 |
| England or Wales? | 0 | - | 4.94 | 45,880 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,557 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,850 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,702 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,405 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,510 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,311 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,898 |
| Name a Valid African Country | 0 | - | 4.98 | 154,729 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,113 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,812 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,717,853 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,548 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,322 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,280 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,614 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,764 |
| European Geographic Groups of Four | 0 | - | 4.54 | 19,466 |
| Countries that Border Poland | 0 | - | 4.99 | 172,912 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,116 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,200 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,872 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,892 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,822 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,061 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,374 |
| France True or False? | 0 | - | 4.44 | 40,029 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,000 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,384 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,164 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,997 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,127 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,780 |
| Counties of Ireland | 0 | - | 4.92 | 196,765 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,150 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,552 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,010 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 43,994 |
| Geography of the Roman Empire | 0 | - | 4.56 | 52,145 |
| Roman History by Picture | 0 | - | 4.46 | 26,545 |
| Roman Names for Places | 0 | - | 4.62 | 58,598 |
| Byzantine History | 0 | - | 4.91 | 28,983 |
| Byzantine Emperors | 0 | - | 4.92 | 14,483 |
| History of The Netherlands | 0 | - | 4.46 | 17,523 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,548 |
| Finland Country Quiz | 0 | - | 4.51 | 59,898 |
| Norway Country Quiz | 0 | - | 4.45 | 77,666 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,323 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,744 |
| British Groups of Things | 0 | - | 4.25 | 82,968 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,084 |
| British Geography Quiz #1 | 0 | - | 4.55 | 54,022 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,835 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,004 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,897 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,865 |
| Medieval English History | 0 | - | 4.53 | 43,616 |
