| Biggest Cities in the World | 0 | - | 4.91 | 795,593 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,987 |
| Biggest Cities in the United States | 0 | - | 4.93 | 974,232 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,259 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,341 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,691 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,783 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,721 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,373 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,228 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,091 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,304 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,560 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,670 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,142 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,252 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,645 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,372 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,873 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,804 |
| Largest City by Island | 0 | - | 4.87 | 71,560 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,687 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,518 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,135 |
| Megacities on a World Map | 0 | - | 4.98 | 252,844 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,131 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,576 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,960 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,956 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,585 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,407 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,812 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,219 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,889 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,685 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,549 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,751 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,355 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,538 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,352 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,651 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,906 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,954 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,985 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,139 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,457 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,325 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,967 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,728 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,593 |
| Biggest Cities in Europe | 0 | - | 4.72 | 544,831 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,328 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,027 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,891 |
| Biggest City by Region | 0 | - | 4.50 | 36,100 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,028 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,878 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,444 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,135 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,308 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,139 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,381 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,342 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,728 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,438 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,869 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,093 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,104 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,431 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,270 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 151,963 |
| Biggest Cities in History | 0 | - | 4.52 | 89,943 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,254 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,323 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,975 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,354 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,466 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,035 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,393 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,110 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,444 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,021 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,785 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,529 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,757 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,104 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 72,978 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,018 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,743 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,524 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,334 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,214 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,490 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,467 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,064 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,918 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,062 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,538 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,761 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,105 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,939 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,372 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,689 |
| Countries with Megacities | 0 | - | 4.99 | 249,797 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,520 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,789 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,857 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,776 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,634 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,247 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,844 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,191 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,792 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,925 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,901 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,411 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,114 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,930 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,275 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,975 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,188 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,789 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,556 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,493 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,428 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,932 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,744 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,881 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,758 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,317 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,791 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,567 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,433 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,188 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,543 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,193 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,250 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,811 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,108 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,304 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,943 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,708 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,437 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,774 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,978 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,091 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,136 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,866 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,256 |
| Biggest Cities in France | 0 | - | 4.70 | 223,390 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,700 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,861 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,733 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,001 |
| Biggest Cities in China | 0 | - | 4.52 | 158,064 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,578 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,133 |
| Biggest Cities in India | 0 | - | 4.70 | 67,601 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,549 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,810 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,238 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,441 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,074 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,589 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,884 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,065 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,759 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,415 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,919 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,142 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,361 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,421 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,588 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,411 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,345 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,562 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,582 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,017 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,010 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,056 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,107 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,372 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,001 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 78,548 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,609 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,751 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,680 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,789 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,769 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,195 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,530 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,205 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,788 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,085 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,126 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,791 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,543 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,976 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,202 |
| Cities of Ireland | 0 | - | 4.51 | 50,533 |
