| Biggest Cities in the World | 0 | - | 4.91 | 807,367 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,307 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,592 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,624 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,142 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,264 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 33,002 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,964 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,736 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,741 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,993 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,420 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,138 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,736 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,877 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,339 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,596 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,839 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,428 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,824 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,912 |
| Largest City by Island | 0 | - | 4.87 | 72,595 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,518 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,920 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,283 |
| Megacities on a World Map | 0 | - | 4.98 | 257,593 |
| 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 | 75,870 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,856 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,904 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,266 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,419 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,498 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,552 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,394 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,639 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,384 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,044 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,183 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,978 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,773 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,268 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,224 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,597 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 85,038 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,650 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,496 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,067 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,227 |
| Biggest Cities in Europe | 0 | - | 4.70 | 549,920 |
| 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 | 56,189 |
| Biggest City by Region | 0 | - | 4.50 | 36,425 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,385 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,625 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,879 |
| 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 | 83,636 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,630 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,609 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,745 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,845 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,760 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,742 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,527 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,449 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,114 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,466 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 166,086 |
| Biggest Cities in History | 0 | - | 4.52 | 90,728 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,245 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,654 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,150 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,744 |
| Biggest Cities Starting With A | 0 | - | 4.63 | 125,290 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,276 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 110,107 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,726 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,357 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,908 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,215 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,236 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,916 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,209 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,156 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,936 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,852 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,554 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,985 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,728 |
| Biggest U.S. Cities A-Z | 0 | - | 4.67 | 139,708 |
| Jewish Cities Quiz | 0 | - | 4.33 | 62,035 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,109 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,597 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,124 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,606 |
| Countries with Megacities | 0 | - | 4.99 | 268,076 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,255 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,393 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,592 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,492 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 65,042 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,519 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,246 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,126 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,949 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,723 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,673 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 41,010 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,968 |
| Biggest Cities Starting With C | 0 | - | 4.12 | 105,905 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,601 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,496 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,968 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,377 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,897 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,573 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,623 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,114 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,596 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,216 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,039 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,568 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,254 |
| 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 | 269,587 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,871 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,132 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,404 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,754 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,662 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,990 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,440 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,128 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,793 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,738 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,472 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,414 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 177,118 |
| 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 | 225,703 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,410 |
| 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 | 106,002 |
| Biggest Cities in China | 0 | - | 4.53 | 160,276 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,703 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,525 |
| Biggest Cities in India | 0 | - | 4.64 | 68,138 |
| Biggest Cities in Italy | 0 | - | 4.78 | 242,801 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,753 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,693 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,992 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,626 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,899 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,931 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,096 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,289 |
| Cities in Squares on a Map - North America | 0 | - | 4.31 | 21,600 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,685 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,896 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,924 |
| 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 | 73,755 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.35 | 81,970 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,090 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,053 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,636 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,308 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,586 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,946 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,904 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,999 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,389 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,864 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,441 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,857 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 108,960 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,226 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,071 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,427 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,732 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,599 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 49,090 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,543 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,615 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,954 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,800 |
| 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 Cities in New Zealand | 0 | - | 4.57 | 24,277 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,529 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,296 |
