| All 1M Cities by Proximity | 0 | - | 5.00 | 560,134 |
| Biggest Cities in the World | 0 | - | 4.91 | 767,140 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 332,633 |
| Biggest City by Time Zone | 0 | - | 4.86 | 63,578 |
| Biggest City in Every Country | 0 | - | 4.98 | 93,355 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 194,367 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 104,973 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 114,706 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 75,331 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 80,938 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 404,881 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 75,167 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 46,365 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 66,923 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 49,744 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 64,044 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 123,574 |
| Biggest Cities in the United States | 0 | - | 4.94 | 935,862 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 357,463 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 216,476 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 131,475 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 110,327 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 116,383 |
| Biggest Cities by Language | 0 | - | 4.95 | 226,838 |
| Largest City by Island | 0 | - | 4.89 | 68,906 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.93 | 68,741 |
| Most Populous World Capitals | 0 | - | 4.94 | 171,926 |
| Biggest European Cities by Century | 0 | - | 4.98 | 126,597 |
| Megacities on a World Map | 0 | - | 4.98 | 236,417 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 43,305 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 65,290 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 71,432 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 59,575 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 103,290 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 163,486 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 164,153 |
| Biggest Cities in Asia | 0 | - | 4.94 | 106,098 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 48,294 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 99,277 |
| Megacities on an Empty Map | 0 | - | 4.96 | 94,808 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 48,401 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 121,262 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 113,788 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 106,151 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 119,460 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 139,602 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 123,535 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 67,468 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 71,902 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 155,238 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 113,347 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 76,787 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.94 | 37,865 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 111,482 |
| Second Biggest Cities by Country | 0 | - | 4.42 | 56,912 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,054 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,582 |
| Biggest City by Region | 0 | - | 4.50 | 35,437 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,275 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,563 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,836 |
| Two Largest Cities by First Two Letters | 0 | - | 4.55 | 81,927 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,800 |
| Biggest Cities in Europe | 0 | - | 4.74 | 529,198 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 54,636 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 53,594 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 35,394 |
| Biggest Cities in Germany | 0 | - | 4.95 | 284,944 |
| Biggest Cities Starting With B | 0 | - | 4.33 | 159,135 |
| Biggest Cities Starting With C | 0 | - | 4.10 | 102,898 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 84,899 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 123,538 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 125,160 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 161,794 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 120,105 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 71,063 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 141,719 |
| Biggest Cities in History | 0 | - | 4.52 | 87,501 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 71,337 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 42,556 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 67,434 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 89,717 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,187 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 92,787 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 45,784 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 72,378 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,761 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,306 |
| Biggest Cities by Latitude | 0 | - | 4.78 | 27,224 |
| Biggest Cities by Trait #2 | 0 | - | 4.41 | 15,026 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,630 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.78 | 72,175 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 90,088 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 40,274 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,404,057 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 369,516 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 165,542 |
| Countries with Megacities | 0 | - | 4.99 | 225,605 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 191,805 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 108,927 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 130,772 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 76,477 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 309,192 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 105,701 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 63,670 |
| Biggest English Cities by Century | 0 | - | 4.90 | 104,500 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 162,795 |
| Flags to Largest Cities | 0 | - | 4.54 | 36,917 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 107,143 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 91,492 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,617 |
| Biggest World Cities A-Z | 0 | - | 4.56 | 217,486 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 124,761 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 83,702 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 261,094 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 118,269 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 109,497 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 90,256 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 56,501 |
| Biggest European Cities by Letter | 0 | - | 4.63 | 124,645 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 64,871 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 44,909 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,501 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 82,112 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.27 | 110,389 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,030 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,062 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 39,654 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,334 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 36,609 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 82,768 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 71,910 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 47,532 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 50,378 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 41,937 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 174,117 |
| Biggest Cities in Japan | 0 | - | 4.65 | 81,254 |
| Biggest Cities in Russia | 0 | - | 4.48 | 80,949 |
| Biggest Cities in France | 0 | - | 4.73 | 217,385 |
| Biggest Cities in Spain | 0 | - | 4.63 | 166,323 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 54,653 |
| Biggest Cities in Poland | 0 | - | 4.58 | 52,389 |
| Biggest Cities in the UK | 0 | - | 4.47 | 101,794 |
| Biggest Cities in China | 0 | - | 4.52 | 152,971 |
| Cities of Ireland | 0 | - | 4.50 | 49,380 |
| Biggest Cities in Canada | 0 | - | 4.56 | 129,589 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,262 |
| Biggest Cities in India | 0 | - | 4.70 | 66,297 |
| Biggest Cities in Italy | 0 | - | 4.75 | 234,944 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 137,001 |
| Countries of Europe by Population | 0 | - | 4.98 | 171,040 |
| Most Populous Countries by Year | 0 | - | 4.82 | 105,986 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,031 |
| Demographics Multiple Choice | 0 | - | 4.70 | 41,664 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 93,858 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 124,028 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 103,651 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 109,722 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 87,056 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 90,957 |
| Jewish Cities Quiz | 0 | - | 4.33 | 61,096 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 59,170 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,007 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,217 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.76 | 43,425 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 20,956 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 51,774 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 37,948 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 43,873 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.35 | 99,357 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 104,813 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 83,866 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 78,951 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 32,575 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 66,522 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 72,242 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 80,452 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 217,976 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 132,124 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 73,894 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 82,051 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 65,424 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 71,590 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 94,318 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 161,697 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 166,131 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 225,930 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 178,004 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 188,036 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 100,992 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 106,195 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 156,001 |
| Biggest Nordic Cities | 0 | - | 4.38 | 61,045 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,002 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,521 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.51 | 22,841 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,804 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 170,383 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 34,480 |
| Most Populous Islands | 0 | - | 4.78 | 120,102 |
