| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,120 |
| Biggest Cities in the World | 0 | - | 4.92 | 804,248 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,792 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,743 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,014 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,279 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,385 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,624 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,138 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,067 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,805 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,524 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,587 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,113 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,257 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,067 |
| Biggest Cities in the United States | 0 | - | 4.94 | 985,271 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,657 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,434 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,475 |
| Largest City by Island | 0 | - | 4.87 | 72,338 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,352 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,551 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,037 |
| Megacities on a World Map | 0 | - | 4.98 | 256,454 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,230 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,695 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,536 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,922 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,500 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,087 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,865 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,968 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,370 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,060 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,431 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,262 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,925 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,456 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,538 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,255 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,912 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,876 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,129 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,208 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,330 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,945 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,806 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,999 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,623 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,122 |
| Biggest City by Region | 0 | - | 4.50 | 36,359 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,292 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 32,439 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,452 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,182 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,284 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,426 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,500 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,300 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,539 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,874 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,742 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,557 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 97,115 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,473 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,401 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,811 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,926 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,644 |
| Biggest Cities in History | 0 | - | 4.52 | 90,506 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,831 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,573 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,656 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,031 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,085 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,872 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,470 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,946 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,606 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,646 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,717 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,448 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,903 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,810 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,843 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,372 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,081 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,159 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,940 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,128 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,179 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,897 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,050 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,847 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,743 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,484 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,451 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,932 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,272 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,017 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,811 |
| Countries with Megacities | 0 | - | 4.99 | 266,414 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,518 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,917 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,811 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,038 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,821 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,063 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,976 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,672 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,724 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,438 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,237 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,729 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,800 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,965 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,557 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,434 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,301 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,066 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,008 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,864 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,704 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,138 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,974 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,099 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,501 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,507 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,331 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,334 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,636 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,419 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,707 |
| Biggest Cities in France | 0 | - | 4.70 | 225,057 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,951 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,215 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,218 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,709 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,144 |
| Biggest Cities in China | 0 | - | 4.53 | 159,655 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,378 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,414 |
| Biggest Cities in India | 0 | - | 4.64 | 68,005 |
| Biggest Cities in Italy | 0 | - | 4.77 | 242,136 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,528 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,332 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,207 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,779 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,520 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,804 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,089 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,492 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,958 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,421 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,476 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,904 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,377 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,530 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,465 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,685 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,771 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,818 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,879 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,648 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,639 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,854 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,526 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,245 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,850 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,163 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,522 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,645 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,771 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,129 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,677 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,507 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 49,001 |
| Cities in Squares on a Map - North America | 0 | - | 4.31 | 21,562 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,715 |
| Cities of Ireland | 0 | - | 4.51 | 50,863 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,250 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,409 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,215 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,640 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,779 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,444 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,117 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,457 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,794 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,655 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,511 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,756 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,106 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,812 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,475 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,736 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,771 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,989 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,880 |
