| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,454 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,474 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,309 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,168 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,579 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,853 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,334 |
| Biggest European Cities by Century | 0 | - | 4.98 | 141,210 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 76,653 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,800 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,886 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,745 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,936 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,787 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,908 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,961 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,715 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,189 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,639 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,516 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,882 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,340 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,629 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,789 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,985 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,466 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,259 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,845 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,097 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,497 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.66 | 10,796 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,134 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,395 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,956 |
| Countries with Megacities | 0 | - | 4.99 | 246,409 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,872 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,767 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,775 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,326 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,730 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 50,552 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,743 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,564 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,412 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,551 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,764 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,597 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,743 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,228 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,904 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,127 |
| US States and State Capitals | 0 | - | 4.99 | 158,254 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,266 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,425 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,056 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,762 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,782 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,112 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,799 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,428 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,530 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,103 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,226 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,824 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,338 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,515 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,246 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,192 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,302 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,762 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,568 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,547 |
| Largest City by Island | 0 | - | 4.87 | 70,986 |
| Biggest Cities in History | 0 | - | 4.52 | 89,079 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,099 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,456 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,693 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,770 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,813 |
| Megacities on a World Map | 0 | - | 4.98 | 250,711 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,406 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,455 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,877 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,745 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,798 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,492 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,990 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,098 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,685 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,617 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,573 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,448 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,173 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 38,871 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.96 | 120,075 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,092 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,070 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,373 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,217 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,202 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,553 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,517 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,750 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,148 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,452 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,289 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,710 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 39,715 |
| Name a City - European Countries | 0 | - | 4.92 | 64,313 |
| Europe Capital to Country | 0 | - | 4.99 | 247,387 |
| Asia Capital to Country | 0 | - | 4.96 | 125,673 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,359 |
| European Capitals by Map | 0 | - | 4.99 | 136,082 |
| African Capitals by Map | 0 | - | 4.99 | 132,092 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,038 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,107 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,556 |
| European Coastal Capitals | 0 | - | 4.95 | 89,688 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,160 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,528 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,642 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,393 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,130 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,049 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,019 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,643 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,430 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,313 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,904 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,101 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,188 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,506 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,071 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,531 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,349 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,507 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,789 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,721 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,420 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,256 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 99,699 |
| All 50k+ Cities in Europe with a Map | 0 | - | 4.95 | 33,828 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,529 |
| Official Cities in the UK | 0 | - | 4.89 | 280,323 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,689 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,131 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,637 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,626 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,566 |
| Random U.S. City to State | 0 | - | 4.45 | 75,246 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,773 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,778 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 39,987 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,150 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,332 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,997 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,680 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,594 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,362 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,054 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,119 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,664 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,395 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,745 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,631 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,730 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 299,856 |
| US States Quiz | 0 | - | 5.00 | 16,687,809 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,149 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 617,888 |
| Random U.S. Presidents by Picture | 0 | - | 4.39 | 65,777 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,642 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,714 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,076 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,889 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,187 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,399 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 124,116 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,191 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,645 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,690 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,709 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,780 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,547 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,384 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,479 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,371 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,062 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,529 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,451 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,745 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,772 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,359 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,787 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,164 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,978 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,226 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,588 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,769 |
| Random European Capital to Country | 0 | - | 4.98 | 189,110 |
