| Biggest Cities in the World | 0 | - | 4.91 | 794,195 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,446 |
| Biggest Cities in the United States | 0 | - | 4.93 | 972,161 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,878 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,182 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,442 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,363 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,486 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,826 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,054 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,969 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,143 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,459 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,522 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,050 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,103 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,310 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,569 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,542 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,485 |
| Largest City by Island | 0 | - | 4.87 | 71,423 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,610 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,984 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,980 |
| Megacities on a World Map | 0 | - | 4.98 | 252,390 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,039 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,397 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,677 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,767 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,432 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,178 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,748 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,672 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,471 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,589 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,707 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,290 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,272 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,159 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,419 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,742 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,814 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,807 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,035 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,287 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,108 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,849 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,761 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,225 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,995 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,849 |
| Biggest City by Region | 0 | - | 4.50 | 36,073 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,006 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,806 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,154 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,108 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,287 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,084 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,221 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,323 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,374 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,144 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,728 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,055 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,861 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,345 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,826 |
| Biggest Cities in History | 0 | - | 4.52 | 89,564 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,221 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,288 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,317 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,406 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,868 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,262 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,947 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,266 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,823 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,325 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,306 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,560 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,998 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,946 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,009 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,723 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,513 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,263 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,172 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,410 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,335 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,032 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,142 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,895 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,337 |
| Countries with Megacities | 0 | - | 4.99 | 249,061 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,186 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,575 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,522 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,542 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,515 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,588 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,069 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,823 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,083 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,605 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,781 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,881 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 222,310 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,221 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,995 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,832 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,108 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,797 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,418 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,400 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,911 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,605 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,838 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,720 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,279 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,731 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,434 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,290 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,938 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,352 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,101 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,107 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,649 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,995 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,223 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,906 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,650 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,385 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,948 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,682 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,935 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,049 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,056 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,775 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,196 |
| Biggest Cities in France | 0 | - | 4.70 | 223,117 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,471 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,799 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,658 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,664 |
| Biggest Cities in China | 0 | - | 4.52 | 157,790 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,451 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,083 |
| Biggest Cities in India | 0 | - | 4.70 | 67,523 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,292 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,986 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,352 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,872 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,345 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,881 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,394 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,740 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,923 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,623 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,732 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,383 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,763 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,767 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,254 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,305 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,510 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,335 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,263 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,490 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,011 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,748 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,642 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 86,694 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,845 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,091 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,639 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,530 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,604 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,733 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,168 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,512 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,152 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,749 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,046 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,060 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,772 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,511 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,916 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,126 |
| Cities of Ireland | 0 | - | 4.51 | 50,488 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,143 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,054 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,980 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,795 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,648 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,495 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,372 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,032 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,816 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,460 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,180 |
