| Biggest Cities in the World | 0 | - | 4.91 | 801,669 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,024 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,774 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,933 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,402 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,220 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,138 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,868 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 144,890 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,271 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,865 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,445 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,241 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,353 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,887 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,981 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,324 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,756 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,133 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,083 |
| Largest City by Island | 0 | - | 4.87 | 72,109 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,212 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,269 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,831 |
| Megacities on a World Map | 0 | - | 4.98 | 255,525 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,543 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,249 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,350 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,782 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,614 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,450 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,243 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,014 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,794 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,233 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,038 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,667 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,938 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,169 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,803 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,609 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,604 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,798 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,327 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,099 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,549 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,543 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 107,926 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,459 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,786 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,580 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,059 |
| Biggest City by Region | 0 | - | 4.50 | 36,297 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,211 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,331 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,650 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,237 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,387 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,375 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,033 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,474 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,161 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,657 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,643 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,287 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,306 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,294 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,693 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,830 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 165,082 |
| Biggest Cities in History | 0 | - | 4.52 | 90,334 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,329 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,501 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,065 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,556 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,515 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,583 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,822 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,621 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,224 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,664 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,343 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,484 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,502 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,069 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,096 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,101 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,860 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,577 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,605 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,381 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,742 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,072 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,392 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,886 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,519 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,070 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,188 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,054 |
| Countries with Megacities | 0 | - | 4.99 | 264,943 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,882 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,565 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,145 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,638 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,838 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,891 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,835 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,012 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,548 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,281 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,298 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,952 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,019 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,478 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,246 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,985 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,493 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,535 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,742 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,811 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,517 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,033 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,812 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,068 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,903 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,451 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,033 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,113 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,997 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,327 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,241 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,611 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,793 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,270 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,195 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,677 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,206 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,928 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,640 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,319 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,228 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,267 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,474 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,276 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,562 |
| Biggest Cities in France | 0 | - | 4.70 | 224,524 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,555 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,110 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,057 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,502 |
| Biggest Cities in China | 0 | - | 4.53 | 159,152 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,134 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,320 |
| Biggest Cities in India | 0 | - | 4.64 | 67,885 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,588 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,654 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,928 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,725 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,790 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,214 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,377 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,538 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,014 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,504 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,296 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,521 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,639 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,698 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,802 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,577 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,543 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,773 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,303 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,553 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,327 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,954 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,359 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,664 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,446 |
| Countries with the Most Christians | 0 | - | 4.93 | 143,679 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,592 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,261 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,423 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,387 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,450 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,176 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,916 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,313 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,634 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,415 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,945 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,323 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,371 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,876 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,645 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,245 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,433 |
| Cities of Ireland | 0 | - | 4.51 | 50,744 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,214 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,307 |
