| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,395 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,645 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,345 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,866 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,829 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,196 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,791 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,255 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 77,435 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,462 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,531 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,038 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,652 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,351 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,907 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,355 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,685 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,510 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,559 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,674 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,902 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,993 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,965 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,778 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,678 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,031 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,734 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,077 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 234,172 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,401 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,098 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,265 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,743 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,019 |
| Countries with Megacities | 0 | - | 4.99 | 259,931 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,892 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,074 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,991 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,169 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,999 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,266 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,745 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,168 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,520 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,770 |
| Biggest Cities in the United States | 0 | - | 4.94 | 975,722 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,555 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,981 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,120 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,036 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,849 |
| US States and State Capitals | 0 | - | 4.99 | 161,325 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,357 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,121 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,736 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,554 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,428 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,398 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,683 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,269 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,371 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,502 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,227 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,710 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,977 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,167 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,827 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,931 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,046 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,017 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,489 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,933 |
| Largest City by Island | 0 | - | 4.87 | 71,684 |
| Biggest Cities in History | 0 | - | 4.52 | 90,012 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 76,191 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,679 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,168 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,912 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,867 |
| Megacities on a World Map | 0 | - | 4.98 | 253,419 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,398 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,216 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,063 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,214 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,714 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,482 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,678 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,784 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 60,217 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,383 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,234 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,876 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,397 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,374 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 121,958 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,658 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,088 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,747 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,107 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,086 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,473 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,158 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,440 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,085 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,560 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,426 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,835 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,389 |
| Name a City - European Countries | 0 | - | 4.90 | 65,206 |
| Europe Capital to Country | 0 | - | 4.99 | 249,597 |
| Asia Capital to Country | 0 | - | 4.96 | 126,483 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,606 |
| European Capitals by Map | 0 | - | 4.99 | 138,616 |
| African Capitals by Map | 0 | - | 4.99 | 133,395 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,086 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,896 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,247 |
| European Coastal Capitals | 0 | - | 4.95 | 90,396 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,506 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,205 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,582 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,748 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,841 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,788 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,910 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,146 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,634 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,051 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,324 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,690 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,654 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,797 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,401 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,897 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,908 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,526 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,800 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,990 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,113 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,815 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,073 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,073 |
| All 50k+ Cities in Europe with a Map | 0 | - | 4.95 | 34,639 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,591 |
| Official Cities in the UK | 0 | - | 4.89 | 283,114 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,263 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,948 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,405 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,236 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,866 |
| Random U.S. City to State | 0 | - | 4.45 | 76,135 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,062 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,037 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,212 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,623 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,906 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,488 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,125 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,253 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,898 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,003 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,705 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,081 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,105 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,097 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,055 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,187 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 301,997 |
| US States Quiz | 0 | - | 5.00 | 16,834,840 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,619 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 625,485 |
| Random U.S. Presidents by Picture | 0 | - | 4.40 | 66,152 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,802 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,819 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,216 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,313 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,041 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,064 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,659 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,143 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,231 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,584 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,797 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,523 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,618 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,498 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,043 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,524 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,010 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,717 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,534 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,366 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,333 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,215 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,964 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,445 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,555 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,650 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,914 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,485 |
