| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,676 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,201 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,466 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,563 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,622 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,626 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,648 |
| Prime Ministers of the UK | 0 | - | 4.95 | 442,827 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,482 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,790 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,918 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 71,951 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,658 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,728,842 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,344 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,889 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,374 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,193 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 145,958 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,945 |
| Name the English Monarchs | 0 | - | 4.91 | 507,042 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,213 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,965 |
| Europe Map Quiz | 0 | - | 5.00 | 4,791,092 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.46 | 26,954 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 72,075 |
| Countries Italy Declared War On | 0 | - | 4.74 | 47,369 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 54,015 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,654 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,716 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,774 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,563 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 108,880 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,108 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 193,931 |
| The American Revolution | 0 | - | 4.52 | 54,376 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,062 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,260,026 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,441 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,621 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,365 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,698 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,391 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,080 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,864 |
| The Only European Country ... | 0 | - | 4.91 | 219,363 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,216 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,715 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,643 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,291 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,849 |
| Slavic Countries | 0 | - | 4.96 | 112,455 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,191 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,643 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,492 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,517 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,665 |
| Counties of England | 0 | - | 4.97 | 803,696 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,120 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,882 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 29,071 |
| Name the Popes Quiz | 0 | - | 4.47 | 139,031 |
| Countries of the Popes | 0 | - | 4.79 | 128,823 |
| The Vietnam War | 0 | - | 4.44 | 35,672 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,906 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,166 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,154 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,131 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,870 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.38 | 24,084 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,004 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,890 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,928 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,653 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,730 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,565 |
| Monarchies of Europe | 0 | - | 4.90 | 98,971 |
| European Countries with One Border | 0 | - | 4.97 | 183,940 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,654 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,046 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,026 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,642 |
| Russia Country Quiz | 0 | - | 4.83 | 115,389 |
| Countries That Border Russia | 0 | - | 4.98 | 464,719 |
| Arms Exports - Russia | 0 | - | 4.49 | 25,203 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 94,469 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,799 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,533 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 35,612 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,972 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,746 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,908 |
| Countries Bordering France | 0 | - | 4.83 | 405,164 |
| Germany Country Quiz | 0 | - | 4.82 | 158,964 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,921 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,159 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,069 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,335 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,143 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,556 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,965 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,031 |
| UK Immigration by Country | 0 | - | 4.94 | 141,826 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,162 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,581 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,174 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,480 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,325 |
| Geography of the British Empire | 0 | - | 4.48 | 39,862 |
| Medieval English History | 0 | - | 4.53 | 43,672 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,075 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,570 |
| The Iraq War | 0 | - | 4.47 | 15,712 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,636 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,168 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,431 |
| Country by Photo of its Leader | 0 | - | 4.70 | 124,700 |
| Political Movements by Country | 0 | - | 4.46 | 72,798 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 62,063 |
| Arms Exports - United States | 0 | - | 4.77 | 62,774 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,605 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 109,617 |
| U.S. Presidents by Event | 0 | - | 4.58 | 35,419 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.62 | 94,708 |
| Presidential Middle Names | 0 | - | 4.42 | 60,776 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,723 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,924 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,234 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,646 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,903 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.75 | 12,353 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,385 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,892 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,785 |
| Random European Flag to Country | 0 | - | 4.90 | 184,357 |
| Countries that Border Poland | 0 | - | 4.99 | 173,273 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,551 |
| Flags of Countries That Border Russia | 0 | - | 4.70 | 84,133 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,322 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,670 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,696 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 103,082 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 30,131 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,861 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,057 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,075 |
| Moldova Country Quiz | 0 | - | 4.82 | 31,046 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,158 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,998 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,907 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,197 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,533 |
| Germany A-Z | 0 | - | 4.56 | 62,885 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,428 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,916 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,142 |
| The Trojan War | 0 | - | 4.83 | 40,027 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,492 |
| Name that Greek Letter | 0 | - | 4.93 | 325,146 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,086 |
| Counties of Ireland | 0 | - | 4.92 | 197,522 |
| Italy A-Z | 0 | - | 4.49 | 58,806 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,322 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,240 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,537 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,647 |
| Roman Emperors | 0 | - | 4.95 | 121,339 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,229 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,270 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,941 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,325 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,272 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,397 |
| Arthurian Legend | 0 | - | 4.33 | 25,183 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,952 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,150 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 81,041 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,540 |
| Monty Python Quotes | 0 | - | 4.89 | 42,618 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 494,835 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,831 |
| Embarrassing Chapters in British History | 0 | - | 4.30 | 32,393 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,991 |
| British History A-Z #1 | 0 | - | 4.45 | 47,296 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,247 |
| Houses of British Monarchs | 0 | - | 4.54 | 65,993 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,128 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,342 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,100 |
| British History Quiz for Dummies | 0 | - | 4.70 | 79,111 |
| History of Scotland | 0 | - | 4.51 | 21,181 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,108 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,359 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,817 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 407,588 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 143,643 |
| 2026–2027 English Premier League Teams | 0 | - | 4.84 | 872,389 |
| Scotland A-Z | 0 | - | 4.73 | 41,481 |
| Malta Country Quiz | 0 | - | 4.81 | 31,249 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,252 |
