| Most Populous World Capitals | 0 | - | 4.94 | 175,527 |
| Biggest Cities in the World | 0 | - | 4.91 | 795,670 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,350 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,706 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,806 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,729 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,406 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,235 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,096 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,020 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,315 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,567 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,673 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,145 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,264 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,661 |
| Biggest Cities in the United States | 0 | - | 4.93 | 974,337 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,285 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,887 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,821 |
| Largest City by Island | 0 | - | 4.87 | 71,567 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,694 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,141 |
| Megacities on a World Map | 0 | - | 4.98 | 252,873 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,422 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,135 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,582 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,976 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,965 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,269 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,588 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,427 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,823 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,911 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,695 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,754 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,355 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,574 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,370 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,682 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,336 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,030 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,892 |
| Biggest City by Region | 0 | - | 4.50 | 36,101 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,030 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,915 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,961 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,996 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,136 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,308 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,141 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,144 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,465 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,336 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,970 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,343 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,540 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,766 |
| Biggest Cities in Europe | 0 | - | 4.72 | 544,888 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,883 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,455 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,387 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,757 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,157 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 151,971 |
| Biggest Cities in History | 0 | - | 4.52 | 89,946 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,254 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,324 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,358 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,039 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,399 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,119 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,446 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,029 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,792 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 72,980 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,018 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,743 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,524 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,490 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,457 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,877 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,100 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,127 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,433 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,467 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,708 |
| Countries with Megacities | 0 | - | 4.99 | 249,829 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,541 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,799 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,867 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,790 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,341 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,215 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 52,228 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,031 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,398 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,110 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,846 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,903 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,415 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,117 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,936 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,281 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,979 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,597 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,636 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 166,253 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,197 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,797 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,931 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,567 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,575 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,438 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,199 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,551 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,196 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,256 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,819 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,496 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,428 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,112 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,932 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,749 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,883 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,759 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,975 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,319 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,794 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,836 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,247 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,772 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,196 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,445 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,086 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,596 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,890 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,071 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,767 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,762 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,307 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,945 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,708 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,442 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,781 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,417 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,983 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,092 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,139 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,867 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,262 |
| Biggest Cities in France | 0 | - | 4.70 | 223,404 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,712 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,864 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,740 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,007 |
| Biggest Cities in China | 0 | - | 4.52 | 158,072 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,587 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,134 |
| Biggest Cities in India | 0 | - | 4.63 | 67,604 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,558 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,928 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,150 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,369 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,425 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,590 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,414 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,349 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,565 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,065 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,613 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,025 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,015 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,095 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,110 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,378 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,006 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,687 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,793 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,087 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,128 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,791 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,978 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,207 |
| Most Populous Islands | 0 | - | 4.80 | 122,728 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,265 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,484 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,197 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,295 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,808 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,516 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,742 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,118 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,961 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.64 | 64,086 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,600 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,261 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,530 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,205 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,788 |
