| Biggest Cities in the World | 0 | - | 4.91 | 793,410 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,117 |
| Biggest Cities in the United States | 0 | - | 4.93 | 971,043 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,657 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,087 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,281 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,074 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,355 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,485 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,947 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,875 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,024 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,374 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,452 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,981 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,025 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,166 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,085 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,359 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,080 |
| Largest City by Island | 0 | - | 4.87 | 71,352 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,565 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,896 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,871 |
| Megacities on a World Map | 0 | - | 4.98 | 252,127 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,000 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,293 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,430 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,630 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,360 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,039 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,700 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,300 |
| Megacities on an Empty Map | 0 | - | 4.97 | 116,931 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,525 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,927 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,674 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,255 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,119 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,052 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,293 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,033 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,278 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,646 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,740 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,705 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,976 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,174 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,984 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,788 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,476 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,412 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,160 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,971 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,818 |
| Biggest City by Region | 0 | - | 4.50 | 36,052 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 56,984 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,769 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,994 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,093 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,274 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,052 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,132 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,309 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,170 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,539 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,717 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 222,171 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,983 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,658 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,675 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,727 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,374 |
| Biggest Cities in History | 0 | - | 4.52 | 89,326 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,202 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,268 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,936 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,291 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,376 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,790 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,215 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,887 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,206 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,744 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,265 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,207 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,467 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,413 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,928 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,998 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,712 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,504 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,220 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,142 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,377 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,254 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,726 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,162 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,771 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,603 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,124 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,050 |
| Biggest Cities in India | 0 | - | 4.70 | 67,483 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,720 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,741 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,877 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,089 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,710 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,711 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,208 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,262 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,479 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,308 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,232 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,456 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,122 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,637 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,135 |
| Countries with Megacities | 0 | - | 4.99 | 248,644 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,996 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,467 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,377 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,417 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,563 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 166,006 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,812 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,022 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,132 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,870 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,143 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,955 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,801 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,050 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,728 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,381 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,902 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,536 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,814 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,702 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,256 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,685 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,052 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,875 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,373 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,236 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,782 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,255 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,041 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,041 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,592 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,928 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,179 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,876 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,615 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,359 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,631 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,901 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,022 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,001 |
| Biggest Cities in France | 0 | - | 4.69 | 222,964 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,344 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,586 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,427 |
| Biggest Cities in China | 0 | - | 4.53 | 157,629 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,111 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,064 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,704 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,304 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,781 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,294 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,678 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,860 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,574 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,374 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,986 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,899 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,621 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,497 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,857 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,736 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,986 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,481 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,155 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,383 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,456 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,502 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,900 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,279 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,723 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,153 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,498 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,122 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,719 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,019 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,034 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,764 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,493 |
| Cities of Ireland | 0 | - | 4.51 | 50,471 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,318 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 36,034 |
