| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 41,661 |
| Biggest Cities in the World | 0 | - | 4.89 | 686,310 |
| Biggest Cities in Asia | 0 | - | 4.94 | 95,795 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,392 |
| Biggest City by Time Zone | 0 | - | 4.84 | 54,311 |
| Biggest City in Every Country | 0 | - | 4.97 | 78,726 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 169,569 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 91,989 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 96,104 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 64,850 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 71,370 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 370,967 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 65,156 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,329 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 59,652 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,347 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 55,147 |
| Biggest Cities in the United States | 0 | - | 4.92 | 815,385 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 333,684 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 199,087 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 109,201 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 303,863 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 97,387 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 513,102 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 108,973 |
| Biggest Cities by Language | 0 | - | 4.95 | 213,833 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 64,822 |
| Most Populous World Capitals | 0 | - | 4.92 | 148,400 |
| Biggest European Cities by Century | 0 | - | 4.98 | 118,754 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 131,608 |
| Megacities on a World Map | 0 | - | 4.98 | 220,611 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 43,910 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.91 | 91,809 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,827 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 63,379 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,421 |
| 500 Biggest US Cities | 0 | - | 4.87 | 97,973 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,317 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 84,237 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 151,129 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 154,820 |
| Biggest Cities in Europe | 0 | - | 4.76 | 464,116 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 50,901 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 91,024 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 43,691 |
| Megacities on an Empty Map | 0 | - | 4.95 | 87,502 |
| Biggest Cities in Germany | 0 | - | 4.95 | 262,833 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.90 | 29,000 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 63,721 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,837 |
| Biggest Cities in Sweden | 0 | - | 4.83 | 37,225 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 75,985 |
| Cities of China (With Some Help) | 0 | - | 4.86 | 28,179 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 68,746 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 86,545 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 36,829 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,525 |
| Biggest English Cities by Century | 0 | - | 4.90 | 99,548 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,058 |
| Biggest City by Region | 0 | - | 4.49 | 33,630 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,353 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,358 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 76,558 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,009 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.44 | 60,337 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,087 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,675 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,167 |
| Biggest European Cities by Letter | 0 | - | 4.65 | 118,917 |
| Biggest City by Island | 0 | - | 4.57 | 45,759 |
| Biggest Cities in History | 0 | - | 4.50 | 80,180 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 67,943 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 62,909 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 57,524 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,111 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 40,308 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,965 |
| Biggest World Cities in 1850 | 0 | - | 4.58 | 64,563 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 32,908 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 112,138 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 106,820 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 97,585 |
| Biggest Cities Starting With L | 0 | - | 4.45 | 110,417 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 128,733 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 114,643 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,172 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 38,973 |
| Biggest Coastal City by Country | 0 | - | 4.59 | 27,025 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,106 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,234 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 77,914 |
| Northernmost Major City by Country | 0 | - | 4.56 | 30,857 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,225 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,535 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,773 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 36,002 |
| Biggest Cities in Japan | 0 | - | 4.66 | 75,300 |
| Biggest Cities in Russia | 0 | - | 4.49 | 76,369 |
| Biggest Cities in France | 0 | - | 4.76 | 199,282 |
| Biggest Cities in Spain | 0 | - | 4.50 | 153,429 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,139 |
| Biggest Cities in Poland | 0 | - | 4.56 | 48,044 |
| Biggest Cities in the UK | 0 | - | 4.46 | 93,385 |
| Biggest Cities in China | 0 | - | 4.64 | 138,324 |
| Cities of Ireland | 0 | - | 4.43 | 39,710 |
| Biggest Cities in Canada | 0 | - | 4.66 | 120,360 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,542 |
| Biggest Cities in India | 0 | - | 4.72 | 62,348 |
| Biggest Cities in Italy | 0 | - | 4.65 | 217,002 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,310,294 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 349,398 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,658 |
| Countries with Megacities | 0 | - | 4.99 | 196,886 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,246 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,778 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 95,150 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 63,741 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,546 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 99,087 |
| Five Biggest Cities by Country | 0 | - | 4.67 | 152,397 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,283 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.71 | 74,503 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 42,459 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 81,092 |
| Flags to Largest Cities | 0 | - | 4.54 | 31,906 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,343 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 64,420 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 38,575 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 40,921 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,810 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 193,792 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 147,939 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 96,953 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 78,740 |
| Biggest Cities Starting With S | 0 | - | 4.39 | 114,598 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 116,185 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,658 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 28,706 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,701 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,755 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 31,931 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,932 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,035 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 244,870 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 108,927 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,903 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 69,288 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,450 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 37,192 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.25 | 91,125 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,170 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,434 |
| Largest Nordic Cities on a Map | 0 | - | 4.76 | 23,232 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 167,703 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,538 |
| Biggest Cities in Portugal | 0 | - | 4.41 | 18,779 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,609 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,581 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,111 |
| Biggest Cities in Mexico | 0 | - | 4.55 | 29,210 |
| Biggest U.S. Cities A-Z | 0 | - | 4.63 | 122,068 |
| Countries of Europe by Population | 0 | - | 4.98 | 126,450 |
| Most Populous Country by First Two Letters | 0 | - | 4.75 | 66,889 |
| Demographics Multiple Choice | 0 | - | 4.66 | 39,750 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,588 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 96,443 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 75,167 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 93,358 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 69,607 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,251 |
| U.S. Cities by Hispanic Population | 0 | - | 4.26 | 24,542 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 64,976 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 28,414 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,356 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,276 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.36 | 84,278 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.38 | 70,616 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.28 | 78,896 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 83,685 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.15 | 66,020 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 61,787 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.22 | 60,028 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 67,436 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 27,909 |
| Biggest Cities in California | 0 | - | 4.35 | 130,369 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,325 |
| Biggest Cities in New York State | 0 | - | 4.29 | 55,804 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,651 |
| Biggest Cities in Ohio | 0 | - | 4.36 | 45,677 |
| Biggest Cities in Texas | 0 | - | 4.26 | 111,321 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,364 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 205,112 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 109,506 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 68,566 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,084 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,632 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,899 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 86,881 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 143,679 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 144,473 |
