| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,990 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,518 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,282 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,255 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,353 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,139 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,263 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,999 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,960 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,734 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,738 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,991 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,420 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,299 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,137 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,736 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,876 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,338 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,595 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,838 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,580 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,622 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,623 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,422 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,823 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,907 |
| Largest City by Island | 0 | - | 4.87 | 72,595 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,918 |
| Megacities on a World Map | 0 | - | 4.98 | 257,592 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,871 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,867 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,542 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,855 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,902 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,418 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,498 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,394 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,638 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,109 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,382 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,044 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,181 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,976 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,772 |
| Biggest Cities in History | 0 | - | 4.52 | 90,727 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,244 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,246 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,268 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,223 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,596 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 85,037 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,650 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,494 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,067 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,744 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,877 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,629 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,743 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,845 |
| Biggest Cities in Europe | 0 | - | 4.70 | 549,910 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,757 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,741 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,527 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,445 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,113 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,465 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 166,084 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,228 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,687 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,188 |
| Biggest City by Region | 0 | - | 4.50 | 36,425 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,385 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,652 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,333 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,465 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,634 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,609 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,744 |
| Biggest Cities Starting With A | 0 | - | 4.63 | 125,289 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,276 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 110,106 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,726 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,351 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,905 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 49,090 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,852 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,553 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,954 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,727 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,911 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,226 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,209 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 65,042 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,156 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,519 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,936 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,068 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,984 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,948 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,937 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,722 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,673 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,449 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,582 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,120 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,601 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,214 |
| Countries with Megacities | 0 | - | 4.99 | 268,072 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,249 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,391 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,235 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,571 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,489 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,572 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,623 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,662 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,440 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,114 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,128 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,594 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,793 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,216 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,126 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,038 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,150 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,568 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,737 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,471 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,414 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 177,115 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,624 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,857 |
| Biggest Cities in France | 0 | - | 4.72 | 225,700 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,408 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,373 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,367 |
| Biggest Cities in the UK | 0 | - | 4.48 | 106,001 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,254 |
| Biggest Cities in China | 0 | - | 4.53 | 160,276 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,702 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,524 |
| Biggest Cities in India | 0 | - | 4.64 | 68,138 |
| Biggest Cities in Italy | 0 | - | 4.78 | 242,800 |
| Biggest U.S. Cities A-Z | 0 | - | 4.67 | 139,708 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 41,009 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,966 |
| Biggest Cities Starting With C | 0 | - | 4.12 | 105,905 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,600 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,496 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,966 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,897 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,607 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,494 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,585 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,871 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,124 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,402 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,753 |
| Jewish Cities Quiz | 0 | - | 4.33 | 62,035 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,542 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,615 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,510 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,652 |
| Cities of Ireland | 0 | - | 4.51 | 50,976 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,685 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,895 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,923 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,971 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,984 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,733 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,754 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.35 | 81,970 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,529 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,296 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,727 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,750 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,684 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 235,005 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,521 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,380 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,135 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,999 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,146 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,739 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,992 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,624 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,897 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,930 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,095 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,288 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,732 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,599 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,902 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,641 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,743 |
| Cities in Squares on a Map - North America | 0 | - | 4.31 | 21,600 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,800 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,453 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,241 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,277 |
