| All 1M Cities by Proximity | 0 | - | 5.00 | 582,077 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,775 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,755 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,952 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,983 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,807 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,459 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,493 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,060 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,805 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,268 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,692 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,979 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,634 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,739 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,227 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,412 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,438 |
| Biggest Cities in the United States | 0 | - | 4.94 | 987,290 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,095 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,623 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,690 |
| Largest City by Island | 0 | - | 4.87 | 72,460 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,429 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,712 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,152 |
| Megacities on a World Map | 0 | - | 4.98 | 257,002 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,694 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,481 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,699 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,804 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,004 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,177 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,436 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,235 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,523 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,612 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,320 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,986 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,818 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,746 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,502 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,121 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,655 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,160 |
| Biggest City by Region | 0 | - | 4.50 | 36,393 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,343 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,093 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,056 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,340 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,307 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,443 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,561 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,696 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,464 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,224 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,930 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,574 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,009 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,024 |
| Biggest Cities in Europe | 0 | - | 4.73 | 549,215 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,531 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,520 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,454 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,269 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,784 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,558 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,879 |
| Biggest Cities in History | 0 | - | 4.52 | 90,611 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,036 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,705 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,145 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,173 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,970 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,591 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,107 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,758 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,182 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,140 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,919 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,913 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,432 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,604 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,460 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,088 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,024 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,209 |
| Countries with Megacities | 0 | - | 4.99 | 267,201 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,885 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,157 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,204 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,268 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,777 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,497 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,321 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,355 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,544 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,013 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,101 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 40,990 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,820 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,811 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,508 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,361 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,843 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,850 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,151 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,988 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,353 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,842 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,606 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,557 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,175 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,460 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,336 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,094 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,680 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,915 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,228 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,630 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,474 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,585 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,550 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,141 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,085 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,277 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,172 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,005 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,121 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,541 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,199 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,158 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,425 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,032 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,389 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,919 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,371 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,692 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,770 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,905 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,202 |
| Jewish Cities Quiz | 0 | - | 4.33 | 61,998 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,902 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,365 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,068 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,744 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,617 |
| Cities in Squares on a Map - North America | 0 | - | 4.31 | 21,588 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,395 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,374 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,739 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,519 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,762 |
| Biggest Cities in France | 0 | - | 4.70 | 225,347 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,203 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,284 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,291 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,840 |
| Biggest Cities in China | 0 | - | 4.53 | 159,910 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,514 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,465 |
| Biggest Cities in India | 0 | - | 4.64 | 68,062 |
| Biggest Cities in Italy | 0 | - | 4.77 | 242,428 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,580 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,796 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,847 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,892 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,927 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,691 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,699 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.35 | 81,917 |
| Biggest U.S. Cities A-Z | 0 | - | 4.68 | 139,614 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,835 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,904 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,542 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,207 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,520 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,864 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,777 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,679 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,945 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,478 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,546 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,926 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,439 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,584 |
| Most Populous Islands | 0 | - | 4.80 | 123,344 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,385 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,651 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,516 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,113 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,796 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,898 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,982 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,874 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,998 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,501 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,577 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,820 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,701 |
