| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 42,492 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 77,975 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 103,760 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 44,771 |
| Biggest Cities in Germany | 0 | - | 4.95 | 266,024 |
| Biggest Cities in the World | 0 | - | 4.90 | 695,630 |
| Biggest Cities in Asia | 0 | - | 4.94 | 97,097 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 44,049 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,609 |
| Biggest City by Time Zone | 0 | - | 4.84 | 55,296 |
| Biggest City in Every Country | 0 | - | 4.98 | 80,218 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 172,272 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 93,257 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 98,324 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 66,013 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 201,878 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 72,612 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 121,702 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 375,400 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,217 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,758 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 307,405 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 99,016 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,359 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,732 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,064 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 108,271 |
| Biggest Cities in the United States | 0 | - | 4.93 | 842,463 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 336,965 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 142,190 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,387 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 519,145 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 70,321 |
| 500 Biggest US Cities | 0 | - | 4.88 | 99,728 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,214 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,483 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,660 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,255 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,151 |
| Most Populous World Capitals | 0 | - | 4.93 | 149,662 |
| Biggest European Cities by Century | 0 | - | 4.98 | 119,789 |
| Megacities on a World Map | 0 | - | 4.98 | 222,626 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,419 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,122 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 85,645 |
| Biggest City in Each U.S. State | 0 | - | 4.83 | 152,360 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,284 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 93,045 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 155,831 |
| Biggest Cities in Europe | 0 | - | 4.76 | 470,170 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 29,812 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,269 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.75 | 65,740 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 39,139 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 41,422 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,162 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,283 |
| Biggest English Cities by Century | 0 | - | 4.90 | 100,124 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 33,352 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.78 | 69,268 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 87,066 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 36,697 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,271 |
| Biggest Cities in Japan | 0 | - | 4.65 | 76,128 |
| Biggest Cities in Russia | 0 | - | 4.49 | 77,294 |
| Biggest Cities in France | 0 | - | 4.76 | 201,482 |
| Biggest Cities in Spain | 0 | - | 4.55 | 155,217 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,795 |
| Biggest Cities in Poland | 0 | - | 4.57 | 48,627 |
| Biggest Cities in the UK | 0 | - | 4.46 | 94,443 |
| Biggest Cities in China | 0 | - | 4.57 | 140,379 |
| Cities of Ireland | 0 | - | 4.43 | 40,059 |
| Biggest Cities in Canada | 0 | - | 4.66 | 121,630 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,884 |
| Biggest Cities in India | 0 | - | 4.71 | 62,898 |
| Biggest Cities in Italy | 0 | - | 4.66 | 219,553 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 60,781 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,864 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 34,602 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,088 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,234 |
| Biggest City by Region | 0 | - | 4.50 | 33,908 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,747 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 78,529 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,542 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,413 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.48 | 20,970 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,251 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 22,896 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,764 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 119,832 |
| Biggest City by Island | 0 | - | 4.57 | 45,970 |
| Biggest Cities in History | 0 | - | 4.50 | 81,297 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,288 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,150 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 62,341 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,381 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,632 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,224 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 37,046 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 23,770 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 64,881 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 168,501 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,744 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 18,986 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 113,293 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 107,581 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 98,569 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 111,467 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 129,915 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 115,614 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,419 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,843 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.50 | 41,016 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,630 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.70 | 74,927 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,584 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,245 |
| Biggest U.S. Cities A-Z | 0 | - | 4.71 | 132,336 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 138,670 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 110,734 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,471 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,113 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,811 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,088 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,279 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,352 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,079 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,457 |
| Biggest Cities in North Carolina | 0 | - | 4.65 | 32,280 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,321,089 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 351,590 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 100,140 |
| Five Biggest Cities by Country | 0 | - | 4.66 | 153,914 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,718 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,626 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.23 | 93,558 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,836 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 82,259 |
| Flags to Largest Cities | 0 | - | 4.54 | 32,552 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,569 |
| Cities on Interstate 90 on a Map | 0 | - | 4.43 | 28,792 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.21 | 17,375 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,900 |
| Biggest World Cities A-Z | 0 | - | 4.57 | 204,525 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 149,470 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 97,622 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 79,375 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 115,707 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 117,134 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,729 |
| Countries with Megacities | 0 | - | 4.99 | 199,991 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,544 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,060 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 97,114 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 65,041 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 250,768 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,348 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,605 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,854 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 246,950 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,889 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 103,906 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,477 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,987 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,417 |
| U.S. Cities by Hispanic Population | 0 | - | 4.27 | 24,653 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,271 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.40 | 88,698 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 74,729 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.32 | 82,969 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.08 | 88,787 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.15 | 70,607 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.22 | 66,146 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 60,841 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 68,176 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 30,069 |
| Biggest Cities in California | 0 | - | 4.35 | 131,263 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,828 |
| Biggest Cities in New York State | 0 | - | 4.29 | 56,192 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,968 |
| Biggest Cities in Ohio | 0 | - | 4.37 | 46,019 |
| Biggest Cities in Texas | 0 | - | 4.26 | 111,997 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,572 |
| Countries of Europe by Population | 0 | - | 4.98 | 129,452 |
| Most Populous Countries by Year | 0 | - | 4.81 | 94,839 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 207,903 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 163,002 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 159,292 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 81,849 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,163 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 147,121 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 65,117 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,067 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,596 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 82,250 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 94,349 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 71,917 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 86,433 |
| Biggest Cities Near a Border | 0 | - | 4.20 | 28,926 |
