| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,629 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,095 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,195 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,223 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,302 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,472 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,471 |
| Prime Ministers of the UK | 0 | - | 4.95 | 441,864 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,204 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,072 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,635 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,725 |
| Countries of the Japanese Empire | 0 | - | 4.96 | 104,522 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,722,225 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,029 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,526 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,235 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,939 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 145,498 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,609 |
| Name the English Monarchs | 0 | - | 4.91 | 505,903 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,174 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,869 |
| Europe Map Quiz | 0 | - | 5.00 | 4,784,029 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,920 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,947 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,607 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,957 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,647 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,243 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,386 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,470 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,708 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,579 |
| Name a Valid U.S. President #1 | 0 | - | 4.90 | 193,593 |
| The American Revolution | 0 | - | 4.52 | 54,343 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,526 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,255,777 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,983 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,573 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,917 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,391 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,941 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,493 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,692 |
| The Only European Country ... | 0 | - | 4.91 | 218,665 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,163 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,346 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,220 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,058 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,705 |
| Slavic Countries | 0 | - | 4.96 | 112,280 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,110 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,558 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,390 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,415 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,190 |
| Counties of England | 0 | - | 4.97 | 802,051 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,067 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,867 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,998 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,831 |
| Countries of the Popes | 0 | - | 4.79 | 128,654 |
| The Vietnam War | 0 | - | 4.44 | 35,634 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,715 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,119 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,137 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,067 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,855 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.42 | 24,055 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,774 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,694 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,408 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,362 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,410 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,374 |
| Monarchies of Europe | 0 | - | 4.90 | 98,760 |
| European Countries with One Border | 0 | - | 4.97 | 183,631 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,394 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,202 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,753 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,500 |
| Russia Country Quiz | 0 | - | 4.83 | 115,233 |
| Countries That Border Russia | 0 | - | 4.98 | 464,228 |
| Arms Exports - Russia | 0 | - | 4.49 | 25,185 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 94,373 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,688 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,405 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,550 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,903 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,503 |
| France Cities Map Quiz | 0 | - | 4.95 | 167,678 |
| Countries Bordering France | 0 | - | 4.83 | 404,637 |
| Germany Country Quiz | 0 | - | 4.82 | 158,715 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,678 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,986 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,601 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,127 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,951 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,401 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,751 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,721 |
| UK Immigration by Country | 0 | - | 4.94 | 141,581 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,834 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,454 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,849 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,446 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,179 |
| Geography of the British Empire | 0 | - | 4.48 | 39,831 |
| Medieval English History | 0 | - | 4.53 | 43,635 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,872 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,947 |
| The Iraq War | 0 | - | 4.47 | 15,699 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,419 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,025 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,240 |
| Country by Photo of its Leader | 0 | - | 4.70 | 124,557 |
| Political Movements by Country | 0 | - | 4.46 | 72,736 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,944 |
| Arms Exports - United States | 0 | - | 4.77 | 62,683 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,590 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 109,290 |
| U.S. Presidents by Event | 0 | - | 4.58 | 35,230 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.62 | 94,551 |
| Presidential Middle Names | 0 | - | 4.41 | 60,669 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,612 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,870 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,176 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,610 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,666 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,320 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,318 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,777 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,680 |
| Random European Flag to Country | 0 | - | 4.90 | 184,029 |
| Countries that Border Poland | 0 | - | 4.99 | 173,061 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,355 |
| Flags of Countries That Border Russia | 0 | - | 4.70 | 83,957 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,204 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,624 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,498 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,560 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 30,040 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,759 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,955 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,018 |
| Moldova Country Quiz | 0 | - | 4.82 | 31,003 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,993 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,890 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,559 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,109 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,429 |
| Germany A-Z | 0 | - | 4.56 | 62,828 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,214 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,372 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,366 |
| The Trojan War | 0 | - | 4.83 | 39,951 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,244 |
| Name that Greek Letter | 0 | - | 4.93 | 324,822 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,810 |
| Counties of Ireland | 0 | - | 4.92 | 197,059 |
| Italy A-Z | 0 | - | 4.49 | 58,698 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,206 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,097 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,226 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,542 |
| Roman Emperors | 0 | - | 4.95 | 121,064 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,058 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,177 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,797 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,298 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,963 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,288 |
| Arthurian Legend | 0 | - | 4.33 | 25,166 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,747 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,010 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,879 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,183 |
| Monty Python Quotes | 0 | - | 4.89 | 42,589 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 494,544 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,815 |
| Embarrassing Chapters in British History | 0 | - | 4.30 | 32,357 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,934 |
| British History A-Z #1 | 0 | - | 4.45 | 47,189 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,233 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,914 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,040 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,289 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,065 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,991 |
| History of Scotland | 0 | - | 4.51 | 21,163 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,016 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,244 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,735 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 405,186 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 143,073 |
| 2026–2027 English Premier League Teams | 0 | - | 4.84 | 870,015 |
| Scotland A-Z | 0 | - | 4.73 | 41,432 |
| Malta Country Quiz | 0 | - | 4.81 | 31,218 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,143 |
