| Biggest Cities in the World | 0 | - | 4.91 | 806,610 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,052 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,120 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,912 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,712 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,606 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,414 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,903 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,348 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,017 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,055 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,695 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,810 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,277 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,518 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,624 |
| Biggest Cities in the United States | 0 | - | 4.94 | 988,598 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,377 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,602 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,734 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,795 |
| Largest City by Island | 0 | - | 4.87 | 72,536 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,473 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,804 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,219 |
| Megacities on a World Map | 0 | - | 4.98 | 257,315 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,821 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,798 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,687 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,795 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,174 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,533 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,817 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,087 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,300 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,471 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,322 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,573 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,603 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,661 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,497 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,247 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,074 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,351 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,015 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,981 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,859 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,652 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,183 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,148 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,473 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,892 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,570 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,370 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,008 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,580 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,723 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,544 |
| Biggest Cities in Europe | 0 | - | 4.73 | 549,581 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,177 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,673 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,174 |
| Biggest City by Region | 0 | - | 4.50 | 36,412 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,362 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,323 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,456 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,594 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,593 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,982 |
| Biggest Cities in History | 0 | - | 4.52 | 90,667 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,152 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,634 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,724 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,237 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,210 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,216 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 110,035 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,649 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,176 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,821 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,068 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,825 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,522 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,510 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 177,056 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,572 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,811 |
| Biggest Cities in France | 0 | - | 4.72 | 225,530 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,312 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,323 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,485 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,325 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,619 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,930 |
| Biggest Cities in China | 0 | - | 4.53 | 160,117 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,617 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,493 |
| Biggest Cities in India | 0 | - | 4.64 | 68,105 |
| Biggest Cities in Italy | 0 | - | 4.78 | 242,633 |
| Biggest U.S. Cities A-Z | 0 | - | 4.67 | 139,660 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,108 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,143 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,286 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,195 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,147 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,932 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,202 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,947 |
| Cities of Ireland | 0 | - | 4.51 | 50,943 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,269 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,516 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,839 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,191 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 65,017 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,512 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,605 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,438 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,946 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,099 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,433 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,192 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,114 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,025 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,552 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,892 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,435 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,211 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,664 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,604 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 40,997 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,297 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,886 |
| Biggest Cities Starting With C | 0 | - | 4.12 | 105,854 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,545 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,429 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,895 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,879 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,413 |
| Countries with Megacities | 0 | - | 4.99 | 267,636 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,054 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,282 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,401 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,386 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,615 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,419 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,095 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,769 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,136 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,676 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,428 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,393 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,749 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,540 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,426 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,445 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,781 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,969 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,325 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,690 |
| Jewish Cities Quiz | 0 | - | 4.33 | 62,015 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,508 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,585 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,936 |
| Saint Lucia Country Quiz | 0 | - | 4.67 | 18,159 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,622 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,846 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,882 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,922 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,957 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,705 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,722 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.35 | 81,937 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,477 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,554 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,821 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,370 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,212 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 105,040 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,955 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,066 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,658 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,953 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,504 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,797 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,851 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,001 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,240 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,716 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,581 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 49,063 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,060 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,707 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,614 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,929 |
| Cities in Squares on a Map - North America | 0 | - | 4.31 | 21,597 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,777 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.26 | 20,802 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,497 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,283 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,957 |
