| Biggest Cities in the World | 0 | - | 4.91 | 800,785 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,256 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,998 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,821 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,703 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,751 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,107 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,750 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,231 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,144 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,263 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,805 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,875 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,053 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,672 |
| Biggest Cities in the United States | 0 | - | 4.94 | 980,851 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,721 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,039 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,941 |
| Largest City by Island | 0 | - | 4.87 | 72,051 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,147 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,184 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,747 |
| Megacities on a World Map | 0 | - | 4.98 | 255,283 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,305 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,491 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,167 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,173 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,681 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,515 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,326 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,205 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,660 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,690 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,165 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 68,995 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,626 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,771 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,065 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,671 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,722 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,563 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,042 |
| Biggest City by Region | 0 | - | 4.50 | 36,278 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,191 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,224 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,376 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,354 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,455 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,406 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,415 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,528 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,526 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,707 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,984 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,026 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,433 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,474 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,144 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,538 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 164,616 |
| Biggest Cities in History | 0 | - | 4.52 | 90,286 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,060 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,288 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,502 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,479 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,951 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,532 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,957 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,632 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,506 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,766 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,555 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,156 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,576 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,263 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,081 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,092 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,844 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,572 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,712 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,875 |
| Countries with Megacities | 0 | - | 4.99 | 264,516 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,730 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,461 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,985 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,534 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,502 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,208 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 41,265 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,131 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,642 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,102 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,958 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,569 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,356 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,850 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,997 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,945 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,945 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,414 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,195 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,747 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,420 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,046 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,922 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,172 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,134 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,550 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,725 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,215 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,885 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,813 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,461 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,797 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,508 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,223 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,260 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,352 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,094 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,686 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,054 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,906 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,298 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,764 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,511 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,025 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,425 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,049 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,888 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,444 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,010 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,397 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,855 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,697 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,714 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,134 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,322 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,478 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,976 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,869 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,183 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,908 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,617 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,258 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,489 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,189 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,246 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,425 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,212 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,511 |
| Biggest Cities in France | 0 | - | 4.70 | 224,369 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,413 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,075 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,008 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,413 |
| Biggest Cities in China | 0 | - | 4.53 | 159,002 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,046 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,298 |
| Biggest Cities in India | 0 | - | 4.64 | 67,836 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,439 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,247 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,479 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,613 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,664 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,778 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,556 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,526 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,743 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,352 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,214 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,489 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,297 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,902 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,332 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,638 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,401 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,178 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,339 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,623 |
| Boundary Waters | 0 | - | 4.92 | 88,567 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,246 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,261 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,699 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,597 |
| Most Populous Islands | 0 | - | 4.80 | 123,037 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,324 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,562 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,307 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,200 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,630 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,325 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,870 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,570 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,506 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,309 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,132 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,518 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,620 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,384 |
