| Biggest Cities in the World | 0 | - | 4.91 | 804,688 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,840 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,805 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,137 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,333 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,579 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,671 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,172 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,867 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,553 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,621 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 65,139 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,308 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,134 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,248 |
| Biggest Cities in the United States | 0 | - | 4.94 | 985,853 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,793 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,480 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,539 |
| Largest City by Island | 0 | - | 4.87 | 72,378 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,374 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,605 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,071 |
| Megacities on a World Map | 0 | - | 4.98 | 256,602 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,455 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,720 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,573 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,018 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,554 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,899 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,020 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,389 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,285 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,103 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,460 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,279 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,946 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,555 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,590 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,311 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,036 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,631 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,133 |
| Biggest City by Region | 0 | - | 4.50 | 36,370 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,309 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 32,589 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,295 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,429 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,509 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,552 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,860 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,886 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,973 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,924 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,179 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,339 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,373 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,024 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,836 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,741 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,744 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,709 |
| Biggest Cities in History | 0 | - | 4.52 | 90,529 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,888 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,476 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,272 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,586 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,346 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,665 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,974 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,752 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,071 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,117 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,896 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,514 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,002 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,653 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,166 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,132 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,901 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,868 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,923 |
| Countries with Megacities | 0 | - | 4.99 | 266,661 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,633 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,987 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,932 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,099 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,196 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,504 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,417 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,865 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,964 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,868 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,160 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,736 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,458 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,012 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,078 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,979 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,721 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,752 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,461 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,283 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,774 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,367 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,254 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,868 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,566 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,841 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,124 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,522 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,101 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,955 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,934 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,233 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,764 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,514 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,476 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,999 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,459 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,077 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,101 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,994 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,370 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,990 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,562 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,072 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,007 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,151 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,987 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,516 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,156 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,660 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,299 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,873 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,230 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,577 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,683 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,812 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,154 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,977 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,319 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,029 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,719 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,531 |
| Cities in Squares on a Map - North America | 0 | - | 4.31 | 21,570 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,345 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,352 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,665 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,451 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,726 |
| Biggest Cities in France | 0 | - | 4.70 | 225,147 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,014 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,243 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,245 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,743 |
| Biggest Cities in China | 0 | - | 4.53 | 159,722 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,422 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,426 |
| Biggest Cities in India | 0 | - | 4.64 | 68,022 |
| Biggest Cities in Italy | 0 | - | 4.77 | 242,207 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,492 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,716 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,792 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,842 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,892 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,656 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,655 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,873 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,552 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,689 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,821 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,474 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,138 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,480 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,824 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,685 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,553 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,806 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,843 |
| Boundary Waters | 0 | - | 4.92 | 88,725 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,378 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,606 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,222 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,875 |
| Most Populous Islands | 0 | - | 4.80 | 123,257 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,368 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,631 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,190 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,882 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,551 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,772 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,963 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,791 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,916 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,448 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,492 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,759 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,685 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,518 |
