| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,226 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,382 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,073 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,126 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,143 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,076 |
| Biggest Cities in the World | 0 | - | 4.91 | 799,585 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,554 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,512 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,915 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,472 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,406 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,388 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,535 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,011 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,248 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,896 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,188 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,337 |
| Biggest Cities in the United States | 0 | - | 4.94 | 979,271 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,360 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,101 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,755 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,383 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,512 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,232 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,938 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,622 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,262 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,644 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,068 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,928 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,813 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,150 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,658 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,730 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,642 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,675 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,798 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,658 |
| Largest City by Island | 0 | - | 4.87 | 71,946 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,058 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,040 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,613 |
| Megacities on a World Map | 0 | - | 4.98 | 254,836 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,411 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,021 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,828 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,163 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,133 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,232 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,882 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,585 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,387 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,490 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,360 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,677 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,503 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,593 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,480 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.80 | 74,969 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,127 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,939 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,566 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,963 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,844 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,354 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,316 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,517 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,238 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,282 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,323 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,856 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,409 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,764 |
| Cities of Ireland | 0 | - | 4.51 | 50,684 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,639 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,628 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,100 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,696 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,008 |
| Biggest City by Region | 0 | - | 4.50 | 36,245 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,159 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,997 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,855 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 89,508 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,571 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,202 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,004 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,362 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,306 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,856 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,416 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,113 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,131 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,429 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,197 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,640 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,209 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,146 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,458 |
| Biggest Cities in France | 0 | - | 4.70 | 224,140 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,263 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,026 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,945 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,941 |
| Biggest Cities in China | 0 | - | 4.53 | 158,773 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,921 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,241 |
| Biggest Cities in India | 0 | - | 4.64 | 67,781 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,213 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 160,646 |
| Biggest Cities in History | 0 | - | 4.52 | 90,211 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,693 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,436 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,489 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,417 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,166 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,365 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,416 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,698 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,481 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,052 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,469 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,172 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,815 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,063 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,596 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,075 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,672 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,829 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,557 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,345 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,243 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,428 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,652 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,436 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,602 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,206 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,004 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,191 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,136 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,194 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,245 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,089 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,154 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 144,739 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,579 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,543 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,244 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,261 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,725 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,963 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,645 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,645 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,076 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,289 |
| Biggest Cities in California | 0 | - | 4.35 | 139,941 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,147 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,704 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,418 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,272 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,936 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,671 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,794 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,375 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,202 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,831 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,360 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,155 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,655 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,327 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,690 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,944 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,623 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,779 |
| Countries with Megacities | 0 | - | 4.99 | 263,862 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,955 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,986 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,473 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,448 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,327 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,748 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,602 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,376 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,124 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,827 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,876 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,895 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,038 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,395 |
| Cities in European Economic Areas on a Map | 0 | - | 4.70 | 17,692 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,175 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,402 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,556 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,610 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,738 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,521 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,493 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,707 |
