| Biggest Cities in the World | 0 | - | 4.91 | 800,040 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,314 |
| Biggest Cities in the United States | 0 | - | 4.94 | 979,911 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,509 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,158 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,862 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,576 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,586 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,433 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,007 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,678 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,131 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,021 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,199 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,725 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,793 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,800 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,906 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,905 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,778 |
| Largest City by Island | 0 | - | 4.87 | 71,981 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,087 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,099 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,662 |
| Megacities on a World Map | 0 | - | 4.98 | 255,011 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,445 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,079 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,957 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,564 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,412 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,204 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,166 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,276 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,570 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,116 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,961 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,585 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,608 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,973 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,561 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,448 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,439 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,597 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,568 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,950 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,278 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,393 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,851 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,668 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,544 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,022 |
| Biggest City by Region | 0 | - | 4.50 | 36,256 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,173 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,254 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,351 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,213 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,366 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,327 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,876 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,438 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,775 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,300 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,154 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,242 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,986 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,606 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 163,059 |
| Biggest Cities in History | 0 | - | 4.52 | 90,240 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 77,797 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,452 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,506 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,606 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,459 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,725 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,512 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,086 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,515 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,209 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,311 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,313 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,057 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,072 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,085 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,836 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,563 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,537 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,334 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,673 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,573 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,409 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,127 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,716 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,728 |
| Countries with Megacities | 0 | - | 4.99 | 264,162 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,573 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,385 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,835 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,445 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,840 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,782 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,721 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,390 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,978 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,467 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,169 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,224 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,940 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,224 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,880 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,385 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,173 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,698 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,369 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,702 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,726 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,492 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,004 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 89,912 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,025 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,872 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,431 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,965 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,980 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,829 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,037 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,026 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,496 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,647 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,162 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,985 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,581 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,144 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,879 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,589 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,044 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,207 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,147 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,224 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,386 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,172 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,471 |
| Biggest Cities in France | 0 | - | 4.70 | 224,230 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,312 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,046 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,967 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,352 |
| Biggest Cities in China | 0 | - | 4.53 | 158,854 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,978 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,256 |
| Biggest Cities in India | 0 | - | 4.64 | 67,800 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,300 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,311 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,182 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,774 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,666 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,600 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,036 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,262 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,429 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,941 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,842 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,479 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,211 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,437 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,572 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,630 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,755 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,532 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,508 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,720 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,119 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,417 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,260 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,848 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,294 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,602 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,344 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,084 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,251 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,892 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,278 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,604 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,361 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,907 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,253 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,302 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,861 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,612 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,182 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,385 |
| Cities of Ireland | 0 | - | 4.51 | 50,701 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,195 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,266 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,099 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,123 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,049 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,509 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,237 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,506 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,412 |
