| Biggest Cities in the World | 0 | - | 4.91 | 791,739 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,214 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,335 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,193 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,863 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,967 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,456 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,093 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,752 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,734 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,670 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,771 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,195 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,289 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,845 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,843 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,721 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,988 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,868 |
| Biggest Cities by Language | 0 | - | 4.96 | 241,218 |
| Largest City by Island | 0 | - | 4.87 | 71,163 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,471 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,698 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,486 |
| Megacities on a World Map | 0 | - | 4.98 | 251,415 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,894 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,992 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,042 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,337 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,184 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,685 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,621 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,578 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,676 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,400 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,886 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,587 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,172 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,737 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,765 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,991 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,435 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,556 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,482 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,826 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,951 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,693 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,626 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,705 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,527 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,957 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,655 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,683 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,019 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,928 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,760 |
| Biggest City by Region | 0 | - | 4.50 | 36,024 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,933 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,054 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,247 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,962 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,277 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,643 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,986 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,295 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,125 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,546 |
| Biggest Cities in History | 0 | - | 4.52 | 89,218 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,162 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,230 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,229 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,316 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,623 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,072 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,713 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,025 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,310 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,100 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,663 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,179 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,386 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,884 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,512 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,988 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,809 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,688 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,482 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,158 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,078 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,282 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,886 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,053 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,393 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,579 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,570 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,728 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,055 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,987 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,212 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,293 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,334 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 84,079 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,878 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,360 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,740 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,777 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,650 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,196 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,607 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,860 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,932 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,817 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,700 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,884 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,553 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,432 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,698 |
| Countries with Megacities | 0 | - | 4.99 | 247,745 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,549 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,236 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,952 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,178 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,798 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,804 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,540 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,293 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,900 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,536 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,834 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,963 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,885 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,619 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,076 |
| Biggest Cities in France | 0 | - | 4.69 | 222,646 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,071 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,708 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,522 |
| Biggest Cities in the UK | 0 | - | 4.47 | 104,278 |
| Biggest Cities in China | 0 | - | 4.53 | 157,274 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,961 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,003 |
| Biggest Cities in India | 0 | - | 4.70 | 67,390 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,755 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,831 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,225 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,068 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,432 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,333 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,442 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,068 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,575 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,857 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,219 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,529 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,101 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,524 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,718 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,368 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,441 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,674 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,470 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,048 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,650 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,963 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,959 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,749 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,342 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,456 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,786 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,024 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,391 |
| Cities of Ireland | 0 | - | 4.51 | 50,379 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,109 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,573 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,587 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,119 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,168 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,425 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,248 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,160 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,386 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,979 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,914 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,652 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,443 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,378 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,732 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,652 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,912 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,348 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,271 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,288 |
| Random U.S. States on a Map | 0 | - | 4.96 | 622,358 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,224 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,200 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,035 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,101 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,886 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,542 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,240 |
