| Soviet Union Country Quiz | 0 | - | 4.91 | 81,026 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,376 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,057 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,083 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,188 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,057 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,478 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,722 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,301 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,236 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,116 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,446 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,610 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,578 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,453 |
| 2026–2027 English Premier League Teams | 0 | - | 4.84 | 867,971 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,237 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,400 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,423 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,845 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,914 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,757 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 238,022 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,776 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,185 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,509 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,420 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,007 |
| Champions League Winners | 0 | - | 4.92 | 1,012,992 |
| Europe Capital to Country | 0 | - | 4.99 | 251,585 |
| Cities in European History #1 | 0 | - | 4.63 | 134,437 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,655 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,341 |
| European Capitals by Map | 0 | - | 4.99 | 141,430 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,644 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,988 |
| European Coastal Capitals | 0 | - | 4.95 | 91,098 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,305 |
| Arms Exports - Russia | 0 | - | 4.49 | 25,172 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,784 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 145,324 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,376 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,895 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,830 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 59,213 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 403,837 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,611 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,632 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,718,428 |
| Every European Country Shape | 0 | - | 4.96 | 202,593 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,407 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,848 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,973 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,445 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,581 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,467 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,556 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,275 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,779 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,072 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,636 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,474 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,612 |
| Random European Capital to Country | 0 | - | 4.98 | 191,841 |
| Random European Country to Capital | 0 | - | 4.93 | 165,667 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,598 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,996 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,905 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,300 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,470 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.54 | 49,572 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,951 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 52,046 |
| Official Cities in the UK | 0 | - | 4.89 | 285,479 |
| UK Immigration by Country | 0 | - | 4.94 | 141,451 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,643 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,650 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,352 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,708 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,415 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,649 |
| Prime Ministers of the UK | 0 | - | 4.95 | 441,324 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,744 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,521 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,955 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,326 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,570 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,941 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,664 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,044 |
| National Founders | 0 | - | 4.40 | 83,931 |
| Country by Photo of its Leader | 0 | - | 4.70 | 124,474 |
| Political Movements by Country | 0 | - | 4.46 | 72,705 |
| Lionel Messi Trivia | 0 | - | 4.24 | 57,166 |
| Soccer Teams David Beckham Played For | 0 | - | 3.92 | 74,285 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 142,743 |
| Premier League Relegated Teams | 0 | - | 4.81 | 127,460 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,871 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,481 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,193 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,935 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,101 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,879 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,019 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 135,268 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,772 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,222 |
| Random European Countries on a Map | 0 | - | 4.97 | 284,672 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,887 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 320,026 |
| Random European Flag to Country | 0 | - | 4.90 | 183,808 |
| Flags of Countries That Border Russia | 0 | - | 4.70 | 83,827 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,613 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,701 |
| All Countries that Once Bordered Germany | 0 | - | 4.34 | 75,119 |
| Countries of the German Empire | 0 | - | 4.51 | 38,110 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,876 |
| Countries Once Held by Sweden | 0 | - | 4.18 | 34,835 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,612 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,635 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 38,094 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,969 |
| Scotland A-Z | 0 | - | 4.73 | 41,405 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,370 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,075 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,230 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,405 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,734 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,775 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,400 |
| Hindu Countries | 0 | - | 4.87 | 50,455 |
| All Major North American Pro Sports Teams | 0 | - | 4.99 | 1,006,569 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,248 |
| British Football Team Logos | 0 | - | 4.06 | 69,175 |
| Football Clubs in London | 0 | - | 4.35 | 130,097 |
| Champions League Top 4 | 0 | - | 4.77 | 138,164 |
| Real Madrid 2010s Starting XI | 0 | - | 4.90 | 68,514 |
| AFL Teams | 0 | - | 4.42 | 40,716 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,130 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,850 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,199 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 193,310 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,427 |
| Most Forested European Countries | 0 | - | 4.80 | 75,561 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,687 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 217,806 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,501 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,626 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,771 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,506 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,256 |
| British Places A-Z | 0 | - | 4.29 | 80,040 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.42 | 51,900 |
| Vatican City Country Quiz | 0 | - | 4.53 | 44,579 |
| Most-Visited Countries by Popes | 0 | - | 4.56 | 84,055 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,189 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,660 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 101,137 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,049 |
| Communist Countries in History | 0 | - | 4.63 | 497,435 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,116 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 147,131 |
| U.S. Cities with Teams from All Four Major Sports | 0 | - | 4.88 | 139,422 |
| NFL Football by Year, 2000–present | 0 | - | 4.26 | 28,176 |
| NFL Football Teams Quiz | 0 | - | 4.98 | 2,297,768 |
| NFL Football Team Logos | 0 | - | 4.91 | 630,991 |
| NCAA Football Cities | 0 | - | 4.25 | 65,051 |
| NCAA Football Teams | 0 | - | 4.96 | 390,638 |
| NCAA FBS Football Teams on a Map | 0 | - | 4.92 | 109,111 |
| MLB Baseball Teams Quiz | 0 | - | 4.91 | 893,214 |
| NBA Basketball Teams Quiz | 0 | - | 4.98 | 2,590,274 |
| NCAA Basketball Teams | 0 | - | 4.95 | 337,382 |
| NHL Hockey Teams Quiz | 0 | - | 4.90 | 655,999 |
| Olympic Host Countries | 0 | - | 4.98 | 201,577 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 35,155 |
| NBA MVPs Quiz | 0 | - | 4.92 | 1,248,006 |
| All-NBA First Team Players | 0 | - | 4.81 | 545,864 |
| NBA Team Logos | 0 | - | 4.81 | 695,126 |
| Formula One World Champions | 0 | - | 4.96 | 393,389 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 312,414 |
| National Football Team Logos | 0 | - | 4.85 | 181,345 |
| FIFA World Cup Host Countries | 0 | - | 4.97 | 240,447 |
| All Teams to Ever Play a FIFA World Cup | 0 | - | 4.95 | 346,745 |
| FIFA World Cup Top 4 Positions | 0 | - | 4.96 | 465,333 |
| France World Cup Squad 2018 | 0 | - | 4.41 | 33,999 |
| England's Most Successful Football Clubs | 0 | - | 4.42 | 178,385 |
| English Cities With Multiple Football Teams | 0 | - | 4.46 | 71,546 |
| Teams that Beat England in Football | 0 | - | 4.73 | 82,005 |
| EPL Leading Scorer by Year | 0 | - | 4.46 | 168,780 |
| Countries of Premier League Players | 0 | - | 4.44 | 205,275 |
| English Premier League Champions | 0 | - | 4.46 | 196,040 |
| All EPL Teams Ever | 0 | - | 4.61 | 269,248 |
| FA Cup Winners | 0 | - | 4.42 | 150,862 |
| Champions League All-Time Table | 0 | - | 4.12 | 144,196 |
| Champions League Top Goal Scorers | 0 | - | 4.24 | 211,440 |
| Biggest Trading Partners - South Africa | 0 | - | 4.74 | 40,396 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,809 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,245 |
| Australia A-Z | 0 | - | 4.54 | 50,096 |
| Australia Map Quiz | 0 | - | 4.95 | 345,731 |
