| Biggest Cities in the World | 0 | - | 4.91 | 799,432 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,055 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,693 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,297 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,464 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,134 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,905 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,591 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,930 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,027 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,868 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,120 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,609 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,712 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,577 |
| Biggest Cities in the United States | 0 | - | 4.94 | 979,079 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,305 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,723 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,586 |
| Largest City by Island | 0 | - | 4.87 | 71,929 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,038 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,031 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,589 |
| Megacities on a World Map | 0 | - | 4.98 | 254,766 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,533 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,390 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,995 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,801 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,463 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,997 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,319 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,095 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,125 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,476 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,054 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,401 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,689 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,477 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,043 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,453 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,164 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,936 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,561 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,480 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,889 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,441 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,613 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,098 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,006 |
| Biggest City by Region | 0 | - | 4.50 | 36,240 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,156 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,378 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,364 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,511 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,201 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,359 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,299 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,075 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,870 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,090 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,310 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,425 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,820 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,352 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,154 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,641 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,316 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,236 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,242 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,611 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,190 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,215 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,794 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,630 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,613 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 158,083 |
| Biggest Cities in History | 0 | - | 4.52 | 90,203 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,649 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,429 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,484 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,061 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,074 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,827 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,556 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,646 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,139 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,124 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,219 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,853 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,580 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,589 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,597 |
| Countries with Megacities | 0 | - | 4.99 | 263,755 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,436 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,314 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,709 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,359 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,512 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,316 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,358 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,344 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,482 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,358 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,960 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,934 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,686 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,797 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,760 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,655 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,429 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,120 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,182 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,125 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,931 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,765 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,920 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,974 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,437 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,592 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,114 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,686 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,478 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,844 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,995 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 89,276 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,993 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,849 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,034 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,411 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,936 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,956 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,686 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,874 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,266 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,634 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,512 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,953 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,205 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,359 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,921 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,825 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,544 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,121 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,852 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,567 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,103 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,473 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,115 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,203 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,346 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,131 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,449 |
| Biggest Cities in France | 0 | - | 4.70 | 224,104 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,238 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,019 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,931 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,300 |
| Biggest Cities in China | 0 | - | 4.53 | 158,733 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,906 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,238 |
| Biggest Cities in India | 0 | - | 4.64 | 67,778 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,184 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,165 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,388 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,549 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,603 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,727 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,518 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,483 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,701 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,276 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,054 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,344 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,219 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,788 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,276 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,567 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,288 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,021 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,181 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,226 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,274 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,853 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,158 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,353 |
| Most Populous Islands | 0 | - | 4.80 | 122,957 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,307 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,540 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,995 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,943 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,405 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,865 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,834 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,466 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,341 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,240 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,015 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,442 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,595 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,341 |
