| Nordic Countries and Capitals | 0 | - | 4.95 | 83,137 |
| Random European Capital to Country | 0 | - | 4.98 | 189,335 |
| Random European Country to Capital | 0 | - | 4.92 | 147,553 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,268 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,087 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,107 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,942 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,043 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,856 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,205 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,444 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,519 |
| Random African Capital to Country | 0 | - | 4.97 | 99,773 |
| Random African Country to Capital | 0 | - | 4.94 | 70,285 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,428 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 63,599 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,686 |
| North American Sports Cities | 0 | - | 4.83 | 170,983 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,937 |
| Name a City - European Countries | 0 | - | 4.92 | 64,506 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,772 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,455 |
| Olympic Host Countries | 0 | - | 4.98 | 198,986 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 304,039 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,300 |
| Official Cities in the UK | 0 | - | 4.89 | 280,801 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,420 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,249 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,958 |
| Europe Capital to Country | 0 | - | 4.99 | 248,100 |
| Asia Capital to Country | 0 | - | 4.96 | 125,825 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,596 |
| European Capitals by Map | 0 | - | 4.99 | 136,557 |
| African Capitals by Map | 0 | - | 4.99 | 132,273 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,571 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,120 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,714 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,295 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,477 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,292 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,233 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,705 |
| European Coastal Capitals | 0 | - | 4.95 | 89,846 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,218 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,102 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,029 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,451 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,754 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,553 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,816 |
| Biggest British Empire Countries | 0 | - | 4.77 | 97,855 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,857 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,119 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,866 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.61 | 65,322 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,619 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,882 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,837 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,226 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,678,488 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,295 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,139 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,483 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,835 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,448 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,551 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,229 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,050 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,711 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,857 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,714 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,137 |
| Every European Country Shape | 0 | - | 4.96 | 200,310 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,553 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,922 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,958 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,500 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,679 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,674 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,885 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,466 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,453 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,965 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,164 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,058 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,129 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,818 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,302 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,670 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,911 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,577 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,622 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,903 |
| Which City in Europe? | 0 | - | 4.83 | 106,770 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,488 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.40 | 51,501 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,375 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,495 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,570 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,671 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,813 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,032 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,626 |
| Top 10 Liverpool Goalscorers | 0 | - | 4.11 | 44,791 |
| Top 10 Manchester United Goalscorers | 0 | - | 4.38 | 53,905 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,390 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,563 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,309 |
| Cities in European History #1 | 0 | - | 4.63 | 133,218 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,211 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,580 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,815 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,024 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,922 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,229 |
| World Capitals Quiz | 0 | - | 5.00 | 5,034,602 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,277 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,310 |
| US States and State Capitals | 0 | - | 4.99 | 158,800 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,591 |
| Which City in Canada? | 0 | - | 4.82 | 56,724 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,958,120 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,578 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,911 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,334 |
| Countries With The Most NHL Hockey Players | 0 | - | 4.48 | 98,896 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,688 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,866 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,507 |
| Countries with the Most Summer Olympics Medals | 0 | - | 4.55 | 92,773 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,065 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 57,028 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,467 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,606 |
| Random European Countries on a Map | 0 | - | 4.97 | 282,099 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,720,814 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,467 |
| NBA Cities Map Quiz | 0 | - | 4.52 | 250,123 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 68,899 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,101 |
| France World Cup Squad 2018 | 0 | - | 4.41 | 33,313 |
| Boundary Waters | 0 | - | 4.92 | 88,070 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,840 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,199 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,056 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,357 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,885 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,721 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,729 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,127 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,632 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,254 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,864 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,140 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,984 |
| American Cities by Stadium | 0 | - | 4.02 | 36,490 |
| City by Football Clubs | 0 | - | 4.37 | 137,079 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,828 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,869 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,470 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,340 |
| South American Cities on the Map | 0 | - | 4.57 | 35,252 |
| North America Cities by Map | 0 | - | 4.41 | 47,633 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,597 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,779 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,713 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,622 |
| Random U.S. City to State | 0 | - | 4.45 | 75,417 |
| Random European City to Country | 0 | - | 4.69 | 116,721 |
| Random Asian City to Country | 0 | - | 4.56 | 44,400 |
| European Cities with the Biggest Economies | 0 | - | 4.62 | 38,197 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,691 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,368 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,246 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,572,145 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,039 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,790 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,171 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,800 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,825 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,286 |
| European Cities by Clue | 0 | - | 4.70 | 88,838 |
| Boroughs of London | 0 | - | 4.63 | 87,122 |
| London Geography | 0 | - | 4.47 | 59,483 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,288 |
| Landlocked Countries | 0 | - | 4.99 | 414,062 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,105 |
| Island Countries | 0 | - | 4.99 | 707,794 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,774 |
| Himalayan Countries | 0 | - | 4.95 | 135,516 |
| Andean Countries | 0 | - | 4.94 | 82,912 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,287 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,308 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,982 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,660 |
| Danube Countries | 0 | - | 4.97 | 71,122 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,825 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,586 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,583 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,490 |
