| Country Quiz on a Map - France | 0 | - | 4.98 | 42,846 |
| French Geography Quiz #1 | 0 | - | 4.87 | 32,761 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 609,621 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,253,512 |
| Name that Greek Letter | 0 | - | 4.94 | 308,573 |
| Africa Geography Quiz #1 | 0 | - | 4.92 | 47,459 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 141,020 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 68,861 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.94 | 55,934 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 64,245 |
| Ancient Greek Words | 0 | - | 4.92 | 104,154 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 69,005 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 69,553 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 68,108 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 59,406 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 214,355 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 260,475 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 153,263 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 201,560 |
| Name a Valid European Country #2 | 0 | - | 4.92 | 90,137 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 28,888 |
| Europe Map Quiz | 0 | - | 5.00 | 4,504,717 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 55,916 |
| Category Elimination - European Countries #1 | 0 | - | 4.88 | 81,855 |
| Countries that Beat Iceland | 0 | - | 4.80 | 39,745 |
| English Monarchs Quiz | 0 | - | 4.90 | 470,598 |
| Topological Map of Africa Quiz | 0 | - | 4.81 | 19,235 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 405,548 |
| Countries that Beat Russia | 0 | - | 4.83 | 75,399 |
| The Trojan War | 0 | - | 4.81 | 37,402 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.86 | 101,062 |
| Ancient Roman Trivia #1 | 0 | - | 4.83 | 74,396 |
| Roman Emperors | 0 | - | 4.96 | 107,910 |
| Greenland Country Quiz | 0 | - | 4.83 | 34,145 |
| Countries Closest to Iceland | 0 | - | 4.88 | 67,575 |
| Countries that Beat Portugal | 0 | - | 4.87 | 54,437 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 93,983 |
| Prime Ministers of the UK | 0 | - | 4.95 | 406,834 |
| 2025–2026 Football League Teams | 0 | - | 4.92 | 372,911 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 348,282 |
| Europe Geography Quiz #3 | 0 | - | 4.32 | 61,687 |
| Olympian Gods Quiz | 0 | - | 4.96 | 469,090 |
| Most-Visited Countries by Swedes | 0 | - | 4.68 | 51,837 |
| Finland Country Quiz | 0 | - | 4.48 | 55,763 |
| Geography of the Spanish Empire | 0 | - | 4.48 | 36,076 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.92 | 49,121 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.93 | 127,411 |
| Countries That Use the Euro | 0 | - | 4.92 | 73,346 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,116,410 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 102,212 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 40,264 |
| The Only European Country ... | 0 | - | 4.92 | 194,280 |
| The Life of Julius Caesar | 0 | - | 4.47 | 32,904 |
| Geography of the Dutch Empire | 0 | - | 4.68 | 33,358 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 75,957 |
| Counties of England | 0 | - | 4.97 | 738,595 |
| Invasions of Great Britain | 0 | - | 4.50 | 57,431 |
| British History A-Z | 0 | - | 4.42 | 41,571 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 57,720 |
| British History Quiz for Dummies | 0 | - | 4.55 | 64,576 |
| Africa Geography Quiz #2 | 0 | - | 4.58 | 31,923 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 184,462 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 144,171 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 200,007 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 81,871 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 296,437 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 140,621 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 81,001 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 120,346 |
| Slavic Countries | 0 | - | 4.96 | 105,177 |
| French Geography Quiz #2 | 0 | - | 4.62 | 22,182 |
| Famous Ancient Romans | 0 | - | 4.68 | 82,377 |
| Roman History Vocabulary | 0 | - | 4.43 | 56,336 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 414,959 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 52,106 |
| Geography of Spain | 0 | - | 4.52 | 21,086 |
| Foods in a Full English Breakfast | 0 | - | 4.42 | 77,448 |
| Champions League Winners | 0 | - | 4.92 | 935,012 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 52,070 |
| Asia Geography Quiz #2 | 0 | - | 4.59 | 46,852 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 99,293 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 84,863 |
| Name a Valid African Country | 0 | - | 4.98 | 131,652 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 105,277 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.95 | 164,498 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 186,528 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 120,602 |
| European Diaspora - Top 11 Countries | 0 | - | 4.89 | 88,932 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 128,395 |
| Three Band Flags of Europe | 0 | - | 4.97 | 181,338 |
| Pixelated Europe Map | 0 | - | 4.88 | 114,880 |
| Monarchies of Europe | 0 | - | 4.89 | 92,144 |
| European Countries with One Border | 0 | - | 4.97 | 173,475 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 151,166 |
| Topological Map of Mainland Europe | 0 | - | 4.38 | 26,806 |
| Russia Country Quiz | 0 | - | 4.84 | 108,447 |
| History of Russia Quiz | 0 | - | 4.47 | 30,921 |
| Federal Subjects of Russia | 0 | - | 4.93 | 126,929 |
| Countries That Border Russia | 0 | - | 4.98 | 441,848 |
| Croatia Country Quiz | 0 | - | 4.81 | 40,210 |
| Countries Formerly in Yugoslavia | 0 | - | 4.96 | 118,676 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.84 | 32,933 |
| History of Austria | 0 | - | 4.69 | 17,020 |
| Regions of France Map Quiz | 0 | - | 4.96 | 134,262 |
| France Cities Map Quiz | 0 | - | 4.95 | 155,947 |
| Departments of France | 0 | - | 4.88 | 42,639 |
| Geography of the French Empire | 0 | - | 4.51 | 26,070 |
| The French Revolution | 0 | - | 4.45 | 22,668 |
| Countries Bordering France | 0 | - | 4.87 | 370,940 |
| History of France Quiz | 0 | - | 4.56 | 41,380 |
| Germany Country Quiz | 0 | - | 4.82 | 148,121 |
| States of Germany Map Quiz | 0 | - | 4.90 | 125,697 |
| Germany Cities Map Quiz | 0 | - | 4.83 | 111,743 |
| States of Germany | 0 | - | 4.94 | 135,376 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 22,670 |
| Germany Immigration by Country | 0 | - | 4.86 | 74,576 |
| Countries Bordering Germany | 0 | - | 4.99 | 353,185 |
| Figures from Greek Mythology | 0 | - | 4.92 | 174,717 |
| Counties of Ireland | 0 | - | 4.88 | 173,027 |
| History of Ireland Quiz | 0 | - | 4.44 | 20,067 |
| Regions of Italy | 0 | - | 4.90 | 66,352 |
| Italy Country Quiz | 0 | - | 4.83 | 115,641 |
| Regions of Italy Map Quiz | 0 | - | 4.95 | 140,793 |
| Italy Cities Map Quiz | 0 | - | 4.96 | 144,161 |
| History of Italy | 0 | - | 4.50 | 30,864 |
| Countries Surrounding Rome | 0 | - | 4.96 | 47,901 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 34,423 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 87,538 |
| The Vikings! | 0 | - | 4.45 | 27,684 |
| The Portuguese Empire | 0 | - | 4.54 | 11,635 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 90,758 |
| Regions of Spain Quiz | 0 | - | 4.89 | 102,981 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 176,677 |
| Cantons of Switzerland | 0 | - | 4.97 | 44,408 |
| Countries and Territories of the United Kingdom | 0 | - | 4.88 | 88,197 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 108,078 |
| Wives of King Henry VIII | 0 | - | 4.54 | 52,282 |
| Countries the UK Declared War On | 0 | - | 4.56 | 116,856 |
| Geography of the British Empire | 0 | - | 4.51 | 38,213 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 16,295 |
| England or Wales? | 0 | - | 4.94 | 42,628 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.96 | 303,205 |
| All UEFA Champions League Teams Ever | 0 | - | 4.83 | 118,233 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 127,873 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.89 | 100,211 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 88,428 |
| Name a Valid Asian Country | 0 | - | 4.98 | 113,412 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,404 |
| South American Geography Quiz #2 | 0 | - | 4.64 | 38,085 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,390,760 |
| American History Quotes #1 | 0 | - | 4.41 | 93,410 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 165,195 |
| U.S. History for Dummies | 0 | - | 4.49 | 78,802 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 68,558 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 132,905 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 60,423 |
| Countries that Border Poland | 0 | - | 4.99 | 164,683 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 79,241 |
| Countries With the Most Russian Speakers | 0 | - | 4.96 | 61,373 |
| Countries that Border Hungary | 0 | - | 4.98 | 100,024 |
| Countries Bordering Serbia | 0 | - | 4.96 | 87,252 |
| Countries Bordering Austria | 0 | - | 4.97 | 113,637 |
| Countries that Visit France the Most | 0 | - | 4.83 | 42,300 |
| Countries Closest to Metropolitan France | 0 | - | 4.88 | 68,971 |
| France True or False? | 0 | - | 4.42 | 38,588 |
| Countries With the Most German Speakers | 0 | - | 4.85 | 57,540 |
| Countries that Beat Greece | 0 | - | 4.51 | 46,159 |
| Ancient Greek Trivia | 0 | - | 4.55 | 64,971 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.57 | 60,931 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 40,059 |
| Countries Bordering Italy | 0 | - | 4.94 | 97,319 |
| Countries Italy Declared War On | 0 | - | 4.75 | 41,486 |
| Countries Closest to Italy | 0 | - | 4.97 | 187,698 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 36,631 |
| Geography of the Roman Empire | 0 | - | 4.56 | 49,992 |
| Roman History by Picture | 0 | - | 4.46 | 25,393 |
| Roman Names for Places | 0 | - | 4.65 | 44,115 |
| Byzantine History | 0 | - | 4.87 | 27,344 |
| History of The Netherlands | 0 | - | 4.44 | 16,427 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 34,881 |
| Denmark Country Quiz | 0 | - | 4.77 | 72,502 |
| Norway Country Quiz | 0 | - | 4.45 | 72,204 |
| Iceland Country Quiz | 0 | - | 4.68 | 40,846 |
| Countries Closest to Spain | 0 | - | 4.95 | 215,379 |
| British Groups of Things | 0 | - | 4.25 | 81,747 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,284 |
| British Geography Quiz #1 | 0 | - | 4.51 | 46,861 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 116,346 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 45,250 |
| Houses of British Monarchs | 0 | - | 4.53 | 62,884 |
| Medieval English History | 0 | - | 4.53 | 42,065 |
| British History Multiple Choice #1 | 0 | - | 4.47 | 53,156 |
| The Reign of Queen Elizabeth II | 0 | - | 4.35 | 34,695 |
| World Capitals Closest to London | 0 | - | 4.91 | 97,264 |
| 50 Busiest Air Routes from London | 0 | - | 4.89 | 91,326 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 31,389 |
| South American Geography Quiz #1 | 0 | - | 4.71 | 31,546 |
| Countries that Beat the United States | 0 | - | 4.92 | 156,015 |
| U.S. History Groups of Two | 0 | - | 4.22 | 43,036 |
| Countries that Beat Canada | 0 | - | 4.90 | 82,710 |
