| Nordic Countries and Capitals | 0 | - | 4.95 | 83,561 |
| Random European Capital to Country | 0 | - | 4.98 | 190,657 |
| Random European Country to Capital | 0 | - | 4.93 | 164,702 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,219 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,481 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,542 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,054 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,657 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,355 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,021 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,289 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,613 |
| Random African Capital to Country | 0 | - | 4.97 | 100,509 |
| Random African Country to Capital | 0 | - | 4.94 | 71,102 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,210 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,095 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,000 |
| North American Sports Cities | 0 | - | 4.83 | 171,772 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,257 |
| Name a City - European Countries | 0 | - | 4.90 | 65,215 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,031 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,182 |
| Olympic Host Countries | 0 | - | 4.98 | 200,413 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,167 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,840 |
| Official Cities in the UK | 0 | - | 4.89 | 283,135 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,444 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,639 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,846 |
| Europe Capital to Country | 0 | - | 4.99 | 249,623 |
| Asia Capital to Country | 0 | - | 4.96 | 126,494 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,616 |
| European Capitals by Map | 0 | - | 4.99 | 138,638 |
| African Capitals by Map | 0 | - | 4.99 | 133,404 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,518 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,159 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,260 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,101 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,909 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,904 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,720 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,257 |
| European Coastal Capitals | 0 | - | 4.95 | 90,403 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,510 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,254 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,599 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,751 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,086 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,117 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,191 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,793 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,276 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,588 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,899 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,451 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,937 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,001 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,205 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,084 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,822 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,955 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,084 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,531 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,566 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,915 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,233 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,449 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,108 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,066 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,841 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,348 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,303 |
| Every European Country Shape | 0 | - | 4.96 | 201,357 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,375 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,546 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.41 | 51,694 |
| Prime Ministers of the UK | 0 | - | 4.95 | 437,986 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,361 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,908 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,970 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,525 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,026 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,662 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,143 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,366 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,790 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,685 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,965 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,651 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,915 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,489 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,036 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,796 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,079 |
| Which City in Europe? | 0 | - | 4.83 | 107,187 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,168 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,129 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,985 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,200 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,577 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,759 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,933 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,831 |
| Top 10 Liverpool Goalscorers | 0 | - | 4.11 | 45,063 |
| Top 10 Manchester United Goalscorers | 0 | - | 4.38 | 54,203 |
| Biggest Cities in Europe | 0 | - | 4.73 | 545,494 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,765 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,970 |
| Cities in European History #1 | 0 | - | 4.63 | 133,821 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,311 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,708 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,868 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,104 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,179 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,681 |
| World Capitals Quiz | 0 | - | 5.00 | 5,064,154 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,852 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,849 |
| US States and State Capitals | 0 | - | 4.99 | 161,371 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,118 |
| Which City in Canada? | 0 | - | 4.82 | 56,946 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,339,640 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.42 | 57,768 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,444 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,784 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 99,782 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,398 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 56,290 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 117,493 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 93,098 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,289 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 58,077 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,014 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,713 |
| Random European Countries on a Map | 0 | - | 4.97 | 283,120 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,757,347 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 317,593 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,000 |
| NBA Cities Map Quiz | 0 | - | 4.51 | 251,686 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,381 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,771 |
| France World Cup Squad 2018 | 0 | - | 4.41 | 33,588 |
| Boundary Waters | 0 | - | 4.92 | 88,381 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,086 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,502 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,628 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,920 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,191 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,350 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,684 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,821 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,916 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,070 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,558 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,957 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,394 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.69 | 64,679 |
| American Cities by Stadium | 0 | - | 4.02 | 36,531 |
| City by Football Clubs | 0 | - | 4.38 | 137,848 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,923 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,267 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,561 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,471 |
| South American Cities on the Map | 0 | - | 4.56 | 35,393 |
| North America Cities by Map | 0 | - | 4.41 | 47,763 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,677 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,419 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,241 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,868 |
| Random U.S. City to State | 0 | - | 4.45 | 76,139 |
| Random European City to Country | 0 | - | 4.69 | 117,476 |
| Random Asian City to Country | 0 | - | 4.56 | 44,460 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,388 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,213 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,749 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,039 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,629 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,583,044 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,153 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,882 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,301 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,082 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,944 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,571 |
| European Cities by Clue | 0 | - | 4.70 | 89,006 |
| Boroughs of London | 0 | - | 4.63 | 87,711 |
| London Geography | 0 | - | 4.47 | 59,632 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,627 |
| Landlocked Countries | 0 | - | 4.99 | 419,035 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,145 |
| Island Countries | 0 | - | 4.99 | 709,800 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,029 |
| Himalayan Countries | 0 | - | 4.94 | 137,459 |
| Andean Countries | 0 | - | 4.95 | 83,958 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,239 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,687 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,845 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,361 |
| Danube Countries | 0 | - | 4.97 | 71,673 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,563 |
