| Biggest Cities in the World | 0 | - | 4.91 | 801,762 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,409 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,235 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,156 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,878 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 145,207 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,276 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,873 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,456 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,249 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,358 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,890 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,992 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,355 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,045 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,845 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,945 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,141 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,098 |
| Largest City by Island | 0 | - | 4.87 | 72,116 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,216 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,284 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,833 |
| Megacities on a World Map | 0 | - | 4.98 | 255,552 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,794 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,548 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,254 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,368 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,793 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,620 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,463 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,245 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,035 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,803 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,236 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,051 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,677 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,946 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,176 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,810 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,790 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,580 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,060 |
| Biggest City by Region | 0 | - | 4.50 | 36,298 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,211 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,240 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,388 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,376 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,475 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,493 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,507 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,615 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,611 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,802 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,343 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,101 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,559 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,557 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,485 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,127 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 165,120 |
| Biggest Cities in History | 0 | - | 4.52 | 90,337 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,350 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,332 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,663 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,501 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,040 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,558 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,172 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,658 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,586 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,825 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,625 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,228 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,666 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,346 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,098 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,101 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,861 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,577 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,742 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,072 |
| Countries with Megacities | 0 | - | 4.99 | 264,977 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,891 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,573 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,156 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,646 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,653 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,293 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,308 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,296 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,695 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,125 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,207 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,606 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,383 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,085 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,012 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,952 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,021 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,479 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,255 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,990 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,497 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,114 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,998 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,336 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,245 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,612 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,801 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,273 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 107,929 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,841 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,521 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,899 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,555 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,285 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,303 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,491 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,202 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,841 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,065 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,918 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,313 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,816 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,518 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,033 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,838 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,069 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,906 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,452 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,041 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,672 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,931 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,727 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,796 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,217 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,378 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,540 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,014 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,891 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,208 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,930 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,643 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,323 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,506 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,230 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,269 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,476 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,280 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,564 |
| Biggest Cities in France | 0 | - | 4.70 | 224,536 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,566 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,114 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,066 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,509 |
| Biggest Cities in China | 0 | - | 4.53 | 159,159 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,141 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,322 |
| Biggest Cities in India | 0 | - | 4.64 | 67,889 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,596 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,301 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,525 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,643 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,702 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,804 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,579 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,547 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,776 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,395 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,317 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,558 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,329 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,957 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,361 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,666 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,453 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,264 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,432 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,678 |
| Boundary Waters | 0 | - | 4.92 | 88,610 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,279 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,337 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,821 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,670 |
| Most Populous Islands | 0 | - | 4.80 | 123,090 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,330 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,581 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,454 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,316 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,763 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,407 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,890 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,609 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,578 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,334 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,201 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,556 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,635 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,417 |
