| Cities of China (With Some Help) | 0 | - | 4.90 | 30,813 |
| Biggest Cities in Asia | 0 | - | 4.94 | 106,750 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 48,606 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 132,403 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 114,218 |
| Biggest Cities in China | 0 | - | 4.52 | 154,116 |
| Biggest Cities in the World | 0 | - | 4.91 | 773,612 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 335,041 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 48,861 |
| Biggest Cities in Germany | 0 | - | 4.95 | 286,591 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 44,315 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 91,086 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 94,011 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 46,145 |
| Biggest City by Time Zone | 0 | - | 4.87 | 64,252 |
| Biggest City in Every Country | 0 | - | 4.98 | 94,823 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 196,240 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 106,007 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 115,975 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 76,065 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 217,641 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 81,592 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 407,282 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 75,975 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 46,621 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 111,200 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 67,498 |
| Ten Southernmost Megacities | 0 | - | 4.83 | 50,006 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 64,807 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 124,792 |
| Biggest Cities in the United States | 0 | - | 4.94 | 944,869 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 359,258 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 116,914 |
| Biggest Cities by Language | 0 | - | 4.95 | 227,755 |
| Largest City by Island | 0 | - | 4.90 | 69,474 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 69,149 |
| Most Populous World Capitals | 0 | - | 4.94 | 172,673 |
| Biggest European Cities by Century | 0 | - | 4.98 | 127,148 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 156,051 |
| Megacities on a World Map | 0 | - | 4.98 | 237,850 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 43,956 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 563,897 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 65,691 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 72,075 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 77,304 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.94 | 38,518 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.89 | 112,773 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 60,196 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 104,904 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 164,435 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.86 | 54,904 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 99,776 |
| Biggest Cities in France - Extreme | 0 | - | 4.86 | 54,210 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 35,808 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 164,871 |
| Biggest Cities in Europe | 0 | - | 4.70 | 533,129 |
| Megacities on an Empty Map | 0 | - | 4.96 | 95,371 |
| Biggest Cities in Japan | 0 | - | 4.68 | 81,636 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,400 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 109,554 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 67,741 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 72,184 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 36,890 |
| Biggest English Cities by Century | 0 | - | 4.90 | 104,800 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.78 | 72,447 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 90,258 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 40,568 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 174,524 |
| Biggest Cities in France | 0 | - | 4.72 | 218,629 |
| Biggest Cities in Spain | 0 | - | 4.63 | 167,268 |
| Biggest Cities in the UK | 0 | - | 4.47 | 102,634 |
| Biggest Cities in India | 0 | - | 4.70 | 66,579 |
| Biggest Cities in Italy | 0 | - | 4.74 | 236,425 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 63,916 |
| Second Biggest Cities by Country | 0 | - | 4.42 | 57,606 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,188 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,705 |
| Biggest City by Region | 0 | - | 4.50 | 35,566 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,450 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,696 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,954 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 82,219 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,502 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,937 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 125,024 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 64,993 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,133 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,595 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 82,742 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,207 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,202 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 39,795 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,245 |
| Cities of Ireland | 0 | - | 4.50 | 49,610 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 39,119 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 142,459 |
| Biggest Cities in History | 0 | - | 4.52 | 87,998 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 71,570 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 42,732 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 67,657 |
| Biggest Cities in the Blue Banana | 0 | - | 4.55 | 35,124 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 121,891 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 114,274 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 106,844 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 120,186 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 140,318 |
| Biggest Cities Starting With P | 0 | - | 4.45 | 124,178 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,148 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 47,813 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.41 | 50,631 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 42,411 |
| Biggest Cities in Russia | 0 | - | 4.49 | 81,269 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 54,940 |
| Biggest Cities in Poland | 0 | - | 4.61 | 52,690 |
| Biggest Cities in Canada | 0 | - | 4.56 | 130,261 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,470 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 162,638 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 120,999 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 106,354 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 72,522 |
| Biggest Nordic Cities | 0 | - | 4.38 | 61,157 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,818 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 163,722 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,397 |
| Biggest Cities by Latitude | 0 | - | 4.78 | 27,298 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,332 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,411 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,299 |
| Biggest Cities by Trait #2 | 0 | - | 4.41 | 15,090 |
| Flags to Largest Cities | 0 | - | 4.54 | 37,301 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,008 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 52,069 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 38,286 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,877 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 107,758 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 92,200 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,446 |
| Biggest Cities in North Carolina | 0 | - | 4.67 | 34,490 |
| Biggest World Cities A-Z | 0 | - | 4.61 | 218,610 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,412,538 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 371,573 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 167,206 |
| Countries with Megacities | 0 | - | 4.99 | 228,152 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 193,402 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 109,854 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 132,181 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 77,470 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 313,263 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,653 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.28 | 111,651 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 62,837 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,563 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 31,521 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 30,623 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 20,486 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.23 | 19,717 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,688 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 159,852 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 103,321 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 85,331 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 124,114 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 125,945 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.78 | 22,816 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 45,022 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.74 | 68,004 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,653 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,345 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 137,586 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 125,670 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 84,293 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 262,328 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 119,081 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 110,024 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 90,920 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 57,061 |
| Jewish Cities Quiz | 0 | - | 4.33 | 61,274 |
| The Most Populous U.S. City by Category | 0 | - | 4.34 | 22,028 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,694 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 100,020 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 105,348 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 84,238 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 79,293 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 32,805 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 66,721 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 72,506 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 80,705 |
| Biggest Cities in California | 0 | - | 4.35 | 138,021 |
| Biggest Cities in Florida | 0 | - | 4.22 | 71,123 |
| Biggest Cities in New York State | 0 | - | 4.32 | 58,873 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 44,871 |
| Biggest Cities in Colorado | 0 | - | 4.04 | 31,729 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,231 |
| Biggest Cities in Texas | 0 | - | 4.27 | 117,811 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 24,858 |
| Countries of Europe by Population | 0 | - | 4.98 | 173,250 |
| Most Populous Countries by Year | 0 | - | 4.83 | 106,948 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 94,163 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 125,681 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 104,545 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 110,375 |
