| Biggest Cities in the World | 0 | - | 4.91 | 799,637 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,057 |
| Biggest Cities in the United States | 0 | - | 4.94 | 979,352 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,389 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,108 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,777 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,418 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,530 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,256 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,947 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,636 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,077 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,947 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,164 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,673 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,739 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,660 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,684 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,816 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,677 |
| Largest City by Island | 0 | - | 4.87 | 71,956 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,062 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,044 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,621 |
| Megacities on a World Map | 0 | - | 4.98 | 254,881 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,414 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,029 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,845 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,492 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,366 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,144 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,145 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,099 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,514 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,085 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,941 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,567 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,528 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,926 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,485 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,409 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,400 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,545 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,313 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,905 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,201 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,343 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,818 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,701 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,636 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,155 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,011 |
| Biggest City by Region | 0 | - | 4.50 | 36,248 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,162 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,233 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,277 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,202 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,363 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,310 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,825 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,430 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,693 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,175 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,142 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,233 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,903 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,588 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,644 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 161,150 |
| Biggest Cities in History | 0 | - | 4.52 | 90,214 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,709 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,437 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,041 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,492 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,422 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,595 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,421 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,700 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,483 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,058 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,478 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,175 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,256 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,273 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,771 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,066 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,076 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,831 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,560 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,521 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,324 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,658 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,428 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,292 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,831 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,388 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,667 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,573 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,640 |
| Countries with Megacities | 0 | - | 4.99 | 263,901 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,487 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,334 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,763 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,391 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,772 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,680 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,967 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,440 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,139 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,196 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,936 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,834 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,361 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,157 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,662 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,336 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,245 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,693 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,700 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,483 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,998 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 89,592 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,005 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,860 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,420 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,947 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,949 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,785 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,972 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,990 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,454 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,610 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,129 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,897 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,557 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,130 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,859 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,574 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,121 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,133 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,211 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,358 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,148 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,459 |
| Biggest Cities in France | 0 | - | 4.70 | 224,151 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,271 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,027 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,948 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,322 |
| Biggest Cities in China | 0 | - | 4.53 | 158,785 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,932 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,243 |
| Biggest Cities in India | 0 | - | 4.64 | 67,788 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,228 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,030 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,726 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,649 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,537 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,973 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,225 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,392 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,933 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,475 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,179 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,407 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,558 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,614 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,740 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,522 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,496 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,710 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,077 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,375 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,236 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,810 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,286 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,581 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,307 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,373 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,334 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,043 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,214 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,228 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,322 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,952 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,878 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,269 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,598 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,348 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,897 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,243 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,284 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,857 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,603 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,168 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,367 |
| Cities of Ireland | 0 | - | 4.51 | 50,688 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,193 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,248 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,090 |
