| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,273 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 80,542 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,773 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,807 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,552 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,643 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,945 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,054 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,953 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,966 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 46,055 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,699 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,545 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,202 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,073 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,320 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,765 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,561 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,306 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,224 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,115 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,914 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,510 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,988 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,308 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,780 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,791 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,496 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,867 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,495 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,027 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,449 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,614 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,281 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,267 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,388 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,061 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,219 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,509 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,374 |
| Largest City by Island | 0 | - | 4.87 | 71,853 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,966 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,934 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,485 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,064 |
| Megacities on a World Map | 0 | - | 4.98 | 254,473 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,058 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,333 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,910 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,682 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,618 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,419 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,399 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,334 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,252 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,773 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,187 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,204 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,289 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,389 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,194 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,550 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,244 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,901 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,521 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 87,039 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,965 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,826 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,390 |
| Biggest Cities in California | 0 | - | 4.35 | 139,865 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,100 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,669 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,638 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,336 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,095 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,817 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,541 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,479 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,290 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,053 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,178 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,193 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,244 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,975 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,163 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,745 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,884 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,930 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,980 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,588 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,419 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,890 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,026 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,746 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,559 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,084 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,976 |
| Biggest City by Region | 0 | - | 4.50 | 36,213 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,135 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,323 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,453 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,184 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,349 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,246 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,411 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,574 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,638 |
| Biggest Cities in History | 0 | - | 4.52 | 90,142 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,390 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,469 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,980 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,404 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 116,992 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,405 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,986 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,080 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,456 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,300 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,078 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,402 |
| Biggest Cities in France | 0 | - | 4.70 | 223,952 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,122 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,989 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,889 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,239 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,895 |
| Biggest Cities in China | 0 | - | 4.53 | 158,567 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,848 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,209 |
| Biggest Cities in India | 0 | - | 4.64 | 67,737 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,059 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,184 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,337 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,632 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,406 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,978 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,377 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,095 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,827 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,129 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,325 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,158 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,747 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,043 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,588 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,063 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,567 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,818 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,548 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,616 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,372 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,595 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,384 |
| Cities of Ireland | 0 | - | 4.51 | 50,652 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,186 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,055 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,133 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,899 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,009 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,953 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,474 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,279 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,937 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,164 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,817 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,952 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,936 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,834 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,180 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,981 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,924 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,743 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,307 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,112 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,572 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,247 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,651 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,429 |
| Countries with Megacities | 0 | - | 4.99 | 263,237 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,263 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,224 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,560 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,261 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,635 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,016 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,639 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,630 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,065 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,236 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,887 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,710 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,735 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,768 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,603 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,880 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,385 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,529 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,597 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,429 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,870 |
