| Biggest Cities in the World | 0 | - | 4.91 | 804,460 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,818 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,774 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,072 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,307 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,467 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,650 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,154 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,838 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,543 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,606 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 65,125 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,282 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,093 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,135 |
| Biggest Cities in the United States | 0 | - | 4.94 | 985,519 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,705 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,459 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,501 |
| Largest City by Island | 0 | - | 4.87 | 72,358 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,366 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,578 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,053 |
| Megacities on a World Map | 0 | - | 4.98 | 256,528 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,338 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,704 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,554 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,963 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,523 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,885 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,991 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,384 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,187 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,082 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,442 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,270 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,937 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,504 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,564 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,275 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,017 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,626 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,129 |
| Biggest City by Region | 0 | - | 4.50 | 36,366 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,301 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 32,523 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,289 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,427 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,503 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,547 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,834 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,864 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,935 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,900 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,150 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,280 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,353 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,975 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,816 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,651 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,586 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,673 |
| Biggest Cities in History | 0 | - | 4.52 | 90,518 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,858 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,463 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,216 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,581 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,327 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,661 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,910 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,747 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,045 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,097 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,878 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,486 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,974 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,620 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,162 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,131 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,900 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,856 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,863 |
| Countries with Megacities | 0 | - | 4.99 | 266,530 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,572 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,953 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,864 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,060 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,157 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,484 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,412 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,835 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,941 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,588 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,092 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,724 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,452 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,946 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,072 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,978 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,689 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,737 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,448 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,252 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,744 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,348 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,230 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,827 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,542 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,821 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,109 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,506 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,092 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,950 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,769 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,201 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,752 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,496 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,466 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,963 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,444 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,063 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,101 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,992 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,364 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,975 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,559 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,069 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,929 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,144 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,980 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,504 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,151 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,590 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,274 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,859 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,200 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,550 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,665 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,790 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,142 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,971 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,306 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,023 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,712 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,519 |
| Cities in Squares on a Map - North America | 0 | - | 4.31 | 21,565 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,338 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,345 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,650 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,440 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,717 |
| Biggest Cities in France | 0 | - | 4.70 | 225,088 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,985 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,231 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,232 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,722 |
| Biggest Cities in China | 0 | - | 4.53 | 159,695 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,407 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,421 |
| Biggest Cities in India | 0 | - | 4.64 | 68,011 |
| Biggest Cities in Italy | 0 | - | 4.77 | 242,167 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,476 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,700 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,783 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,832 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,885 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,654 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,649 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,863 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,539 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,658 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,804 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,459 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,122 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,470 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,808 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,669 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,529 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,774 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,834 |
| Boundary Waters | 0 | - | 4.92 | 88,716 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,372 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,583 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,194 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,859 |
| Most Populous Islands | 0 | - | 4.80 | 123,244 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,364 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,621 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,139 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,846 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,503 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,756 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,958 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,780 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,897 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,436 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,475 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,744 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,680 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,511 |
