| Biggest Cities in the World | 0 | - | 4.91 | 776,345 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 408,161 |
| Biggest Cities in the United States | 0 | - | 4.93 | 948,359 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 359,861 |
| Biggest City by Time Zone | 0 | - | 4.87 | 64,541 |
| Biggest City in Every Country | 0 | - | 4.98 | 95,235 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 196,996 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 106,482 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 116,754 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 76,338 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 81,844 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 76,271 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 46,736 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 67,689 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 54,262 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 65,052 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 565,173 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.89 | 117,097 |
| Biggest Cities by Language | 0 | - | 4.95 | 228,116 |
| Largest City by Island | 0 | - | 4.90 | 69,702 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 69,301 |
| Most Populous World Capitals | 0 | - | 4.94 | 172,921 |
| Biggest European Cities by Century | 0 | - | 4.98 | 127,328 |
| Megacities on a World Map | 0 | - | 4.98 | 238,476 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 65,842 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 72,299 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 107,932 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 164,838 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 165,130 |
| Biggest Cities in Asia | 0 | - | 4.94 | 107,031 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 48,737 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 335,975 |
| Megacities on an Empty Map | 0 | - | 4.96 | 95,566 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 49,049 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 106,518 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 67,841 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 72,309 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 218,203 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 132,787 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 111,563 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 156,350 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 44,339 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 114,660 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 77,507 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.94 | 38,852 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.89 | 113,171 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 60,387 |
| Biggest Cities in Europe | 0 | - | 4.70 | 534,522 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 57,836 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,228 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 44,916 |
| Biggest City by Region | 0 | - | 4.50 | 35,623 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,503 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.86 | 55,009 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 104,499 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,732 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,999 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 82,329 |
| Biggest Cities in France - Extreme | 0 | - | 4.86 | 54,451 |
| Largest Nordic Cities on a Map | 0 | - | 4.82 | 35,967 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,990 |
| Biggest Cities in Germany | 0 | - | 4.95 | 287,146 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 91,532 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 40,459 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 94,455 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 46,271 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 142,591 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 125,157 |
| Biggest Cities in History | 0 | - | 4.52 | 88,189 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 71,638 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 42,804 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 67,733 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,880 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 122,113 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 114,630 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 107,078 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 120,420 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 140,581 |
| Biggest Cities Starting With P | 0 | - | 4.45 | 124,394 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 162,973 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 121,319 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 72,564 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,835 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,428 |
| Biggest Cities by Latitude | 0 | - | 4.78 | 27,325 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.78 | 72,561 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 90,631 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 17,234 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 40,660 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 137,705 |
| Biggest English Cities by Century | 0 | - | 4.90 | 104,922 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 94,820 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,416,372 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 372,653 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 167,882 |
| Countries with Megacities | 0 | - | 4.99 | 236,405 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 194,021 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 110,207 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 132,752 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 77,883 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 314,725 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 64,008 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 164,001 |
| Flags to Largest Cities | 0 | - | 4.54 | 37,445 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 107,933 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 92,352 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,712 |
| Biggest World Cities A-Z | 0 | - | 4.61 | 219,017 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 160,139 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 103,463 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 85,476 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 124,315 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 126,147 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,043 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,212 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,644 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 82,959 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,275 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,248 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 39,857 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 36,996 |
| Hindu Countries | 0 | - | 4.85 | 48,646 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 125,926 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 84,520 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 262,812 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 119,423 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 110,158 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 91,166 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 57,251 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 45,065 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,263 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,226 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 47,897 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.41 | 50,725 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,688 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 42,551 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 174,650 |
| Biggest Cities in Japan | 0 | - | 4.68 | 81,745 |
| Biggest Cities in Russia | 0 | - | 4.49 | 81,380 |
| Biggest Cities in France | 0 | - | 4.70 | 219,263 |
| Biggest Cities in Spain | 0 | - | 4.63 | 167,630 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,047 |
| Biggest Cities in Poland | 0 | - | 4.61 | 52,806 |
| Biggest Cities in the UK | 0 | - | 4.47 | 102,863 |
| Biggest Cities in China | 0 | - | 4.52 | 154,535 |
| Biggest Cities in Canada | 0 | - | 4.56 | 130,454 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,539 |
| Biggest Cities in India | 0 | - | 4.70 | 66,702 |
| Biggest Cities in Italy | 0 | - | 4.74 | 236,871 |
| Countries with the Most Hindus | 0 | - | 4.90 | 121,271 |
| Countries of Europe by Population | 0 | - | 4.98 | 173,943 |
| Most Populous Countries by Year | 0 | - | 4.83 | 107,359 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 94,396 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 126,459 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 105,039 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 110,751 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 88,053 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,410 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,120 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 100,172 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 105,486 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 84,337 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 79,403 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 32,896 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 66,783 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 72,574 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 80,784 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 219,299 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 133,035 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 74,464 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 82,705 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 65,882 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 72,099 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 95,099 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 162,649 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 167,390 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,276 |
| Demographics Multiple Choice | 0 | - | 4.69 | 41,832 |
| Biggest Nordic Cities | 0 | - | 4.38 | 61,206 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,425 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,493 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,406 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,529 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,076 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 52,161 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 38,396 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 44,413 |
| Cities of Ireland | 0 | - | 4.50 | 49,717 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,910 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,527 |
| Biggest Cities in North Carolina | 0 | - | 4.67 | 34,561 |
| Countries Closest to Israel | 0 | - | 4.68 | 104,565 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 228,005 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 179,503 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 189,436 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 101,798 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 106,737 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 156,989 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 71,927 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.83 | 21,958 |
