| Biggest Cities in Brazil | 0 | - | 4.56 | 50,646 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 97,142 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 321,922 |
| Biggest Cities in Germany | 0 | - | 4.95 | 277,167 |
| Biggest Cities in the World | 0 | - | 4.91 | 738,263 |
| Biggest Cities in Asia | 0 | - | 4.94 | 102,679 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 46,609 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 46,153 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 41,939 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 39,072 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 86,350 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 43,978 |
| Biggest City by Time Zone | 0 | - | 4.85 | 60,192 |
| Biggest City in Every Country | 0 | - | 4.98 | 88,016 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 185,162 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 100,179 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 108,120 |
| Biggest Cities with Exceptions | 0 | - | 4.89 | 71,707 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 210,838 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 77,693 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 127,482 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 393,369 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 71,420 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 44,855 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 105,899 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.90 | 64,246 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 48,548 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 60,789 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 117,044 |
| Biggest Cities in the United States | 0 | - | 4.94 | 897,475 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 348,907 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 151,096 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.97 | 40,781 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 109,917 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 543,551 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 74,304 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 33,948 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.89 | 106,753 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 57,041 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 36,678 |
| Cities of China (With Some Help) | 0 | - | 4.89 | 29,717 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 113,897 |
| Biggest Cities by Language | 0 | - | 4.95 | 222,316 |
| Largest City by Island | 0 | - | 4.90 | 64,721 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 67,116 |
| Most Populous World Capitals | 0 | - | 4.93 | 168,062 |
| Biggest European Cities by Century | 0 | - | 4.98 | 124,361 |
| Megacities on a World Map | 0 | - | 4.98 | 230,808 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 63,445 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 68,478 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 98,071 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.43 | 13,921 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 158,875 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 53,333 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 49,463 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 33,270 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 160,487 |
| Biggest Cities in Europe | 0 | - | 4.74 | 511,611 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 62,587 |
| Megacities on an Empty Map | 0 | - | 4.95 | 92,247 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.81 | 66,137 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 70,441 |
| Biggest English Cities by Century | 0 | - | 4.89 | 102,754 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 35,312 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 71,122 |
| Biggest Mediterranean Cities | 0 | - | 4.56 | 88,620 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 39,107 |
| Biggest Urban Areas in the UK | 0 | - | 4.41 | 171,763 |
| Biggest Cities in Japan | 0 | - | 4.68 | 79,357 |
| Biggest Cities in Russia | 0 | - | 4.48 | 79,515 |
| Biggest Cities in France | 0 | - | 4.70 | 210,526 |
| Biggest Cities in Spain | 0 | - | 4.55 | 161,834 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 53,163 |
| Biggest Cities in Poland | 0 | - | 4.57 | 50,837 |
| Biggest Cities in the UK | 0 | - | 4.47 | 98,886 |
| Biggest Cities in China | 0 | - | 4.47 | 147,909 |
| Cities of Ireland | 0 | - | 4.50 | 48,239 |
| Biggest Cities in Canada | 0 | - | 4.57 | 126,182 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 45,299 |
| Biggest Cities in India | 0 | - | 4.70 | 64,983 |
| Biggest Cities in Italy | 0 | - | 4.70 | 229,009 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 58,172 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.68 | 76,777 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.74 | 72,154 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 99,992 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 44,072 |
| Biggest City by Region | 0 | - | 4.49 | 34,797 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 55,360 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 80,979 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,972 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,343 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 80,425 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,238 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,175 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,448 |
| Biggest Cities in Washington State | 0 | - | 4.45 | 34,245 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 33,569 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 139,820 |
| Biggest European Cities by Letter | 0 | - | 4.62 | 122,576 |
| Biggest Cities in History | 0 | - | 4.50 | 84,654 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 69,935 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.64 | 64,246 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 45,992 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 79,214 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 41,702 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 61,898 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,134 |
| Biggest "Saint" Cities - United States | 0 | - | 4.48 | 35,389 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 38,844 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 66,471 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 29,742 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,754 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 117,816 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 111,406 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 102,909 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 116,178 |
| Biggest Cities Starting With M | 0 | - | 4.49 | 135,387 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 120,406 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 63,453 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.43 | 49,019 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.74 | 43,063 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 39,635 |
| Biggest U.S. Cities A-Z | 0 | - | 4.68 | 134,879 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 145,031 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 116,091 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 71,676 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,867 |
| Biggest Nordic Cities | 0 | - | 4.38 | 60,518 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,465 |
| Biggest City by Region #2 | 0 | - | 4.43 | 23,890 |
| Biggest Cities by Latitude | 0 | - | 4.77 | 26,888 |
| U.S. Cities by Hispanic Population | 0 | - | 4.30 | 35,462 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.50 | 22,157 |
| Biggest Cities in California | 0 | - | 4.34 | 134,988 |
| Biggest Cities in Florida | 0 | - | 4.22 | 69,691 |
| Biggest Cities in New York State | 0 | - | 4.31 | 57,640 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 44,050 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 47,295 |
| Biggest Cities in Texas | 0 | - | 4.27 | 115,347 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 24,287 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,370,293 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 362,151 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 103,623 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 159,168 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,235 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 39,229 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.26 | 103,858 |
| Biggest Cities in the World - 2100 | 0 | - | 4.25 | 87,215 |
| Flags to Largest Cities | 0 | - | 4.54 | 35,195 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,145 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 30,525 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.22 | 18,650 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.42 | 103,142 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.41 | 87,635 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,296 |
| Biggest World Cities A-Z | 0 | - | 4.56 | 212,436 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 155,324 |
| Biggest Cities Starting With C | 0 | - | 4.09 | 100,749 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 82,797 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 120,503 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 121,891 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 155,575 |
| Countries with Megacities | 0 | - | 4.99 | 214,628 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 184,356 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 104,982 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 105,521 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 71,719 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 266,376 |
| Largest World Cities With Four Letters | 0 | - | 4.35 | 44,328 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.78 | 66,844 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 121,610 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 80,892 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 255,568 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 114,790 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 107,023 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 87,057 |
| Countries by Population Range - Tile Select | 0 | - | 4.85 | 54,199 |
| Jewish Cities Quiz | 0 | - | 4.32 | 60,450 |
| Biggest Cities by Trait #2 | 0 | - | 4.40 | 14,743 |
| The Most Populous U.S. City by Category | 0 | - | 4.33 | 21,502 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.34 | 95,575 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.14 | 101,224 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.15 | 75,278 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 70,626 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 69,745 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.31 | 71,254 |
| Biggest Cities in New Jersey | 0 | - | 4.11 | 26,066 |
| Biggest Cities in Colorado | 0 | - | 4.04 | 31,032 |
| Biggest Cities in Virginia | 0 | - | 4.21 | 24,113 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 19,695 |
| Biggest Cities in Alaska | 0 | - | 4.27 | 24,754 |
| Biggest Cities in Arizona | 0 | - | 4.29 | 30,109 |
| Biggest Cities in Illinois | 0 | - | 4.33 | 25,709 |
| Biggest Cities in Louisiana | 0 | - | 4.14 | 19,109 |
| Biggest Cities in Massachusetts | 0 | - | 4.38 | 29,140 |
| Biggest Cities in Michigan | 0 | - | 3.97 | 33,256 |
| Biggest Cities in Missouri | 0 | - | 4.22 | 16,592 |
| Biggest Cities in Tennessee | 0 | - | 4.25 | 20,038 |
| Biggest Cities in Indiana | 0 | - | 4.26 | 25,608 |
| South America Flags Map Quiz | 0 | - | 4.95 | 78,310 |
