| Biggest Cities in the World | 0 | - | 4.91 | 793,456 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,131 |
| Biggest Cities in the United States | 0 | - | 4.93 | 971,105 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,674 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,092 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,289 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,086 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,360 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,501 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,952 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,878 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,031 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,376 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,454 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,985 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,031 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,172 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,112 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,369 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,104 |
| Largest City by Island | 0 | - | 4.87 | 71,354 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,565 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,902 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,874 |
| Megacities on a World Map | 0 | - | 4.98 | 252,140 |
| 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 | 74,300 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,440 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,634 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,363 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,043 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,702 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,312 |
| Megacities on an Empty Map | 0 | - | 4.97 | 116,979 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,527 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 222,179 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,674 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,257 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,122 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,055 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,300 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,649 |
| 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 | 117,711 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,980 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,178 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,988 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,790 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,384 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,476 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,427 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,163 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,971 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,820 |
| Biggest City by Region | 0 | - | 4.50 | 36,052 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 56,986 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,771 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,999 |
| 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 | 83,054 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,135 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,310 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,173 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,987 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,665 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,034 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,683 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,280 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,049 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,729 |
| Biggest Cities in History | 0 | - | 4.52 | 89,327 |
| 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 | 68,294 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,376 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,792 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,217 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,888 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,208 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,748 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,265 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,212 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,476 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,443 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,929 |
| 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 | 73,222 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,142 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,378 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,259 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,929 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,750 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,903 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,283 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,721 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,741 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,188 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,652 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,139 |
| Countries with Megacities | 0 | - | 4.99 | 248,660 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,001 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,471 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,383 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,419 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,564 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 166,009 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,812 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,025 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,541 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,720 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,870 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,144 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,956 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,801 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,051 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,732 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,074 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,708 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,486 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,376 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,382 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,902 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,539 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,816 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,703 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,258 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,686 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,378 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,239 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,789 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,260 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,046 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,046 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,596 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,930 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,182 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,879 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,615 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,362 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,634 |
| 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 | 176,002 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,726 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,164 |
| Biggest Cities in France | 0 | - | 4.69 | 222,971 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,355 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,773 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,608 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,430 |
| Biggest Cities in China | 0 | - | 4.53 | 157,635 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,128 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,050 |
| Biggest Cities in India | 0 | - | 4.70 | 67,483 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,114 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,080 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,710 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,306 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,787 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,298 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,678 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,861 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,577 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,374 |
| 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 | 33,480 |
| 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 | 81,458 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,901 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,625 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,498 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,860 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,736 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,989 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,487 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 78,271 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,163 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,393 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,460 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,503 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,723 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,155 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,499 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,123 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,719 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,021 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,039 |
| 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 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,878 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,093 |
| Cities of Ireland | 0 | - | 4.51 | 50,471 |
