| Soviet Union Country Quiz | 0 | - | 4.90 | 80,180 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,690 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,352 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,559 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,197 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,162 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,817 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,151 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,038 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,085 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,042 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,608 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,260 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,667 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,100 |
| 2025–2026 English Premier League Teams | 0 | - | 4.86 | 850,261 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,355 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,353 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,403 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,680 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,477 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,414 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,070 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,262 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,299 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,575 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,781 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,119 |
| Champions League Winners | 0 | - | 4.92 | 995,020 |
| Europe Capital to Country | 0 | - | 4.99 | 247,279 |
| Cities in European History #1 | 0 | - | 4.63 | 132,957 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,284 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,688 |
| European Capitals by Map | 0 | - | 4.99 | 135,921 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,070 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,521 |
| European Coastal Capitals | 0 | - | 4.95 | 89,636 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,518 |
| Arms Exports - Russia | 0 | - | 4.48 | 24,753 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,937 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 142,992 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,681 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,871 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,578 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 396,684 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,275 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,706 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,604 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,777 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,126 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,289 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,648,432 |
| Every European Country Shape | 0 | - | 4.95 | 199,837 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,328 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,005 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,705 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,127 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,700 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,642 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,147 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,682 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,847 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,759 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,289 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,232 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 69,986 |
| Random European Capital to Country | 0 | - | 4.98 | 189,049 |
| Random European Country to Capital | 0 | - | 4.92 | 147,334 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,313 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,526 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,614 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,842 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,261 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,188 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,951 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 51,197 |
| Official Cities in the UK | 0 | - | 4.89 | 280,131 |
| UK Immigration by Country | 0 | - | 4.94 | 139,488 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 137,968 |
| Counties of England Map Quiz | 0 | - | 4.97 | 305,946 |
| Biggest British Empire Countries | 0 | - | 4.73 | 87,226 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,084 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,652 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,150 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,071 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,070 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,154 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,199 |
| National Founders | 0 | - | 4.40 | 83,618 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,143 |
| Political Movements by Country | 0 | - | 4.46 | 72,225 |
| Lionel Messi Trivia | 0 | - | 4.24 | 56,243 |
| Soccer Teams David Beckham Played For | 0 | - | 3.92 | 73,433 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 138,879 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,209 |
| Hindu Countries | 0 | - | 4.85 | 49,444 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,888 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,953 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,934 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,237 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,328 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,443 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 217,978 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,258 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,535 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,739 |
| Random European Countries on a Map | 0 | - | 4.97 | 281,685 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,785 |
| Random European Flag to Country | 0 | - | 4.89 | 180,721 |
| Flags of Countries That Border Russia | 0 | - | 4.70 | 70,119 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,051 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,288 |
| All Countries that Once Bordered Germany | 0 | - | 4.33 | 74,552 |
| Countries of the German Empire | 0 | - | 4.51 | 37,621 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,657 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,682 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,611 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,267 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,040 |
| Scotland A-Z | 0 | - | 4.73 | 41,010 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,127 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,675 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,641 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,615 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,321 |
| All Major North American Pro Sports Teams | 0 | - | 4.99 | 986,448 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,801 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.67 | 37,643 |
| British Football Team Logos | 0 | - | 4.04 | 67,458 |
| Football Clubs in London | 0 | - | 4.32 | 127,492 |
| Champions League Top 4 | 0 | - | 4.77 | 133,496 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 66,000 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,888 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,349 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 28,869 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,663 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,020 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,591 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,697 |
| Most Forested European Countries | 0 | - | 4.80 | 74,855 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,518 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,004 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 315,439 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,890 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,309 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,564 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,005 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,135 |
| British Places A-Z | 0 | - | 4.29 | 79,573 |
| Vatican City Country Quiz | 0 | - | 4.53 | 43,958 |
| Most-Visited Countries by Popes | 0 | - | 4.55 | 83,087 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,581 |
| Communist Countries in History | 0 | - | 4.63 | 492,090 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,375 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 141,131 |
| U.S. Cities with Teams from All Four Major Sports | 0 | - | 4.88 | 136,015 |
| NFL Football by Year, 2000–present | 0 | - | 4.26 | 27,834 |
| NFL Football Teams Quiz | 0 | - | 4.98 | 2,273,242 |
| NFL Football Team Logos | 0 | - | 4.90 | 620,303 |
| NCAA Football Cities | 0 | - | 4.31 | 64,303 |
| NCAA Football Teams | 0 | - | 4.95 | 382,269 |
| MLB Baseball Teams Quiz | 0 | - | 4.91 | 880,749 |
| NBA Basketball Teams Quiz | 0 | - | 4.98 | 2,552,858 |
| NCAA Basketball Teams | 0 | - | 4.95 | 333,703 |
| NHL Hockey Teams Quiz | 0 | - | 4.90 | 643,021 |
| Olympic Host Countries | 0 | - | 4.98 | 198,748 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 34,497 |
| NBA MVPs Quiz | 0 | - | 4.91 | 1,223,653 |
| All-NBA First Team Players | 0 | - | 4.83 | 535,332 |
| Formula One World Champions | 0 | - | 4.96 | 384,595 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 302,746 |
| National Football Team Logos | 0 | - | 4.84 | 178,404 |
| FIFA World Cup Host Countries | 0 | - | 4.98 | 236,404 |
| All Teams to Ever Play a FIFA World Cup | 0 | - | 4.95 | 331,904 |
| FIFA World Cup Top 4 Positions | 0 | - | 4.96 | 455,000 |
| France World Cup Squad 2018 | 0 | - | 4.41 | 33,227 |
| England's Most Successful Football Clubs | 0 | - | 4.42 | 175,726 |
| English Cities With Multiple Football Teams | 0 | - | 4.46 | 69,834 |
| Teams that Beat England in Football | 0 | - | 4.73 | 80,709 |
| English Premier League 100 Goals Club | 0 | - | 4.42 | 239,257 |
| EPL Leading Scorer by Year | 0 | - | 4.46 | 165,993 |
| Premier League Relegated Teams | 0 | - | 4.79 | 125,077 |
| Countries of Premier League Players | 0 | - | 4.43 | 201,561 |
| English Premier League Champions | 0 | - | 4.46 | 192,906 |
| All EPL Teams Ever | 0 | - | 4.56 | 265,094 |
| FA Cup Winners | 0 | - | 4.42 | 149,215 |
| Champions League All-Time Table | 0 | - | 4.14 | 140,505 |
| Champions League Top Goal Scorers | 0 | - | 4.23 | 207,531 |
| AFL Teams | 0 | - | 4.40 | 39,681 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,128 |
| Modern Day Countries of the Mughal Empire on a Map | 0 | - | 4.42 | 33,184 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,366 |
| Countries of Africa | 0 | - | 5.00 | 2,504,278 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,212 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,734 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,710 |
| African East Coast | 0 | - | 4.96 | 94,923 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,791 |
| Biggest Trading Partners - South Africa | 0 | - | 4.80 | 40,111 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,425 |
