| Biggest Cities in the World | 0 | - | 4.91 | 748,770 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 397,788 |
| Biggest Cities in the United States | 0 | - | 4.94 | 911,344 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 351,888 |
| Biggest City by Time Zone | 0 | - | 4.86 | 61,439 |
| Biggest City in Every Country | 0 | - | 4.98 | 89,833 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 188,495 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 101,865 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 110,259 |
| Biggest Cities with Exceptions | 0 | - | 4.89 | 73,011 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 78,844 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 72,760 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 45,409 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 65,252 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 49,012 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 61,973 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 114,812 |
| Biggest Cities by Language | 0 | - | 4.95 | 223,765 |
| Largest City by Island | 0 | - | 4.89 | 66,676 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 67,755 |
| Most Populous World Capitals | 0 | - | 4.93 | 169,370 |
| Biggest European Cities by Century | 0 | - | 4.98 | 125,256 |
| Megacities on a World Map | 0 | - | 4.98 | 232,760 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 549,577 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 64,079 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 69,577 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 99,757 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 160,388 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 69,129 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 161,918 |
| Biggest Cities in Asia | 0 | - | 4.94 | 103,831 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 47,251 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 325,888 |
| Megacities on an Empty Map | 0 | - | 4.95 | 93,246 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 46,967 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 66,604 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 70,966 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 212,955 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 128,987 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 107,591 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 152,579 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 41,664 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 111,218 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 75,269 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 35,319 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 108,443 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.83 | 57,904 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 134,299 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 93,721 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 53,859 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 97,945 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 51,180 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 34,063 |
| Biggest Cities in Germany | 0 | - | 4.95 | 280,107 |
| Biggest Cities in Europe | 0 | - | 4.74 | 518,047 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 100,200 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,280 |
| Biggest City by Region | 0 | - | 4.50 | 35,027 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 55,671 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,188 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,518 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 80,976 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,440 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 140,467 |
| Biggest Cities in History | 0 | - | 4.50 | 85,597 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 70,486 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 41,999 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 66,830 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.84 | 84,326 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 39,521 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 88,877 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 44,635 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 118,873 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 112,195 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 104,239 |
| Biggest Cities Starting With L | 0 | - | 4.45 | 117,269 |
| Biggest Cities Starting With M | 0 | - | 4.49 | 137,037 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 121,470 |
| South China Sea Countries | 0 | - | 4.80 | 56,416 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,062 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 146,736 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 117,575 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 71,935 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 40,025 |
| Biggest English Cities by Century | 0 | - | 4.89 | 103,311 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,557 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,028 |
| Biggest Cities by Latitude | 0 | - | 4.77 | 27,008 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.75 | 71,507 |
| Biggest Mediterranean Cities | 0 | - | 4.56 | 89,174 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 39,582 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 104,509 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 62,995 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 160,321 |
| Flags to Largest Cities | 0 | - | 4.54 | 35,860 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.42 | 104,589 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.41 | 88,985 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 214,154 |
| Countries Closest to the Aegean Sea | 0 | - | 4.61 | 57,702 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,382,585 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 365,041 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 159,147 |
| Countries with Megacities | 0 | - | 4.99 | 218,423 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 186,979 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,359 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,856 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 73,377 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 270,277 |
| Biggest European Cities by Letter | 0 | - | 4.62 | 123,176 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.55 | 64,483 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,162 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 80,326 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,489 |
| Biggest "Saint" Cities - United States | 0 | - | 4.45 | 35,653 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 39,148 |
| Biggest Cities in the World - 2100 | 0 | - | 4.23 | 88,322 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 35,779 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,407 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 156,636 |
| Biggest Cities Starting With C | 0 | - | 4.09 | 101,439 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 83,523 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 121,454 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 123,079 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 122,754 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 82,041 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 257,705 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 116,066 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 107,922 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 88,346 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 44,536 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 81,682 |
| Biggest Cities by Trait #2 | 0 | - | 4.40 | 14,847 |
| Jewish Cities Quiz | 0 | - | 4.32 | 60,675 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.43 | 70,964 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 49,508 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 58,593 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 77,284 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.74 | 43,175 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 40,508 |
| Biggest Urban Areas in the UK | 0 | - | 4.41 | 172,492 |
| Biggest Cities in Japan | 0 | - | 4.68 | 80,151 |
| Biggest Cities in Russia | 0 | - | 4.48 | 80,009 |
| Biggest Cities in France | 0 | - | 4.70 | 213,151 |
| Biggest Cities in Spain | 0 | - | 4.63 | 163,571 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 53,733 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 51,022 |
| Biggest Cities in Poland | 0 | - | 4.57 | 51,413 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 37,134 |
| Biggest Cities in the UK | 0 | - | 4.47 | 99,984 |
| Biggest Cities in China | 0 | - | 4.47 | 149,792 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 42,728 |
| Cities of Ireland | 0 | - | 4.50 | 48,701 |
| Biggest Cities in Canada | 0 | - | 4.56 | 127,466 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 45,666 |
| Biggest Cities in India | 0 | - | 4.71 | 65,432 |
| Biggest Cities in Italy | 0 | - | 4.70 | 230,981 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.34 | 97,081 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.14 | 102,553 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 81,954 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.18 | 77,250 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.01 | 59,742 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 70,885 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.32 | 72,097 |
| Biggest U.S. Cities A-Z | 0 | - | 4.68 | 135,729 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.18 | 68,110 |
| Countries of Europe by Population | 0 | - | 4.98 | 164,097 |
| Most Populous Countries by Year | 0 | - | 4.81 | 102,837 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 81,749 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 103,571 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 100,925 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 107,486 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 85,026 |
| Biggest Nordic Cities | 0 | - | 4.38 | 60,685 |
| U.S. Cities by Hispanic Population | 0 | - | 4.30 | 36,058 |
| Biggest Axis-Controlled Cities | 0 | - | 4.42 | 47,247 |
| Biggest Cities Near a Border | 0 | - | 4.19 | 30,743 |
| Cities in Squares on a Map - North America | 0 | - | 4.32 | 20,577 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.51 | 22,408 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,582 |
| Biggest Cities in Washington State | 0 | - | 4.46 | 34,636 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 33,863 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 214,714 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 130,219 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 72,681 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 80,686 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 64,537 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 70,499 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 92,679 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,248 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 159,706 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 163,766 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 220,493 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 173,149 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 170,315 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 98,818 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 104,910 |
| Most Populous Country by First Two Letters | 0 | - | 4.73 | 69,461 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 153,733 |
| Demographics Multiple Choice | 0 | - | 4.68 | 41,252 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 69,128 |
