| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,295 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,700 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,866 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,343 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,211 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,171 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,265 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,009 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,854 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,715 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,778 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,116 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,797 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,754 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,076 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,704 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,241 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,153 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,684 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,270 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,818 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,893 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,093 |
| Biggest Cities in the United States | 0 | - | 4.94 | 980,952 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,743 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,537 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,538 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,727 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,356 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,020 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,033 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,439 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,482 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,049 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,954 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,464 |
| Largest City by Island | 0 | - | 4.87 | 72,056 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,156 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,192 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,754 |
| Megacities on a World Map | 0 | - | 4.98 | 255,311 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,501 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,180 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,200 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,688 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,709 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,525 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,964 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,981 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,635 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,523 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,186 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,700 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,520 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,221 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 41,272 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,151 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,649 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,583 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,631 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 68,999 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,627 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,685 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,187 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,576 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,356 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,876 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,817 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,290 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,348 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,902 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,741 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,564 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,044 |
| Biggest City by Region | 0 | - | 4.50 | 36,282 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,192 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,225 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,378 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,357 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,455 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,762 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 164,715 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,773 |
| Biggest Cities in History | 0 | - | 4.52 | 90,292 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,087 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,512 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,982 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,025 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,474 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,482 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,052 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,888 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,444 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,859 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,244 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,726 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,533 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,478 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,011 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,509 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,771 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,562 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,166 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,587 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,272 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,912 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,619 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,265 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,192 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,250 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,433 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,220 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,523 |
| Biggest Cities in France | 0 | - | 4.70 | 224,394 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,420 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,080 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,209 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,012 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,408 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,426 |
| Biggest Cities in China | 0 | - | 4.53 | 159,032 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,052 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,302 |
| Biggest Cities in India | 0 | - | 4.64 | 67,840 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,457 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,575 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,416 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,428 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,596 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,083 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,622 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,093 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,847 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,573 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,387 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,718 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,630 |
| Cities of Ireland | 0 | - | 4.51 | 50,723 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,205 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,292 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,125 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,218 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,983 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,891 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,806 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,526 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,469 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,999 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,514 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,239 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,046 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,228 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,262 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,946 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,371 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,949 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,419 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,200 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,758 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,426 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,724 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,906 |
| Countries with Megacities | 0 | - | 4.99 | 264,577 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,746 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,471 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,002 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,545 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,116 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,054 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,657 |
| Cities in European Economic Areas on a Map | 0 | - | 4.70 | 17,802 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,664 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,355 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,057 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,935 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,192 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,149 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,557 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,734 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,218 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,870 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,410 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,094 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,250 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,481 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,614 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,667 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,780 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,559 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,526 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,746 |
| Biggest Cities in California | 0 | - | 4.35 | 140,037 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,202 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,747 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,437 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,302 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,708 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,833 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,428 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,216 |
