| Biggest Cities in the World | 0 | - | 4.91 | 797,850 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,033 |
| Biggest Cities in the United States | 0 | - | 4.94 | 977,230 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,884 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,777 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,333 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,712 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,170 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,460 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,680 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,401 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,733 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 57,617 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,945 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,100 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,533 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,133 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,671 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,401 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,255 |
| Largest City by Island | 0 | - | 4.87 | 71,793 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,884 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,827 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,373 |
| Megacities on a World Map | 0 | - | 4.98 | 254,175 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,296 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,850 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,464 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,238 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,053 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,824 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,969 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,239 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,274 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,896 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,251 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,869 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,491 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,146 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,668 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,175 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,839 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 46,000 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,176 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,544 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,516 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,467 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,526 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,167 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,174 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,280 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,327 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,702 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,687 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,136 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,009 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,496 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,070 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,954 |
| Biggest City by Region | 0 | - | 4.50 | 36,179 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,106 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,024 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,894 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,173 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,341 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,219 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,622 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,395 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,498 |
| Biggest Cities in History | 0 | - | 4.52 | 90,087 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,008 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,382 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,434 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,872 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,246 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,559 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,328 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,647 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,269 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,009 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,828 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,049 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,709 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,027 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,048 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,794 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,544 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,447 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,276 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,575 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 65,642 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,264 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,016 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,368 |
| Biggest Cities in France | 0 | - | 4.70 | 223,843 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,029 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,953 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,844 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,164 |
| Biggest Cities in China | 0 | - | 4.53 | 158,432 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,783 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,188 |
| Biggest Cities in India | 0 | - | 4.63 | 67,712 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,946 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,180 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,216 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,084 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,294 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,549 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,049 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,268 |
| Countries with Megacities | 0 | - | 4.99 | 262,475 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,097 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,121 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,399 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,171 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,710 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,721 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,493 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,907 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,331 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,182 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,974 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,088 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,918 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,911 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,646 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,251 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,044 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,485 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,162 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,628 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,605 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,459 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,972 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,913 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,943 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,798 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,367 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,163 |
| Cities of Ireland | 0 | - | 4.51 | 50,633 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,973 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,829 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,645 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,614 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,802 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,340 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,464 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,014 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 62,950 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,417 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,061 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,795 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,516 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,391 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,000 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,937 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,053 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,151 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,620 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,527 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,514 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,549 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,344 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,814 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,080 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,244 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,863 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,804 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,455 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,058 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,069 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,285 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,474 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,539 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,671 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,477 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,429 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,649 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,874 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,196 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,146 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,657 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,221 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,502 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,175 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,875 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,029 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,829 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,242 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,581 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,294 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,852 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,161 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,208 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,814 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,583 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,472 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,173 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,056 |
