| Biggest Cities in the World | 0 | - | 4.91 | 800,938 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,278 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,015 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,878 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,741 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,815 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,127 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,757 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,257 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,165 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,281 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,825 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,907 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,104 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,739 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,064 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,770 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,057 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,972 |
| Largest City by Island | 0 | - | 4.87 | 72,067 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,163 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,200 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,767 |
| Megacities on a World Map | 0 | - | 4.98 | 255,342 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,412 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,514 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,187 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,221 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,704 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,539 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,355 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,216 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,740 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,708 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,184 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,000 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,629 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,823 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,092 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,700 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,748 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,565 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,045 |
| Biggest City by Region | 0 | - | 4.50 | 36,283 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,193 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,226 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,380 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,361 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,456 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,429 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,438 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,548 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,555 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,741 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,067 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,039 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,457 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,489 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,224 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,649 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 164,793 |
| Biggest Cities in History | 0 | - | 4.52 | 90,302 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,128 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,299 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,540 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,488 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,971 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,538 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,004 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,639 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,514 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,774 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,566 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,170 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,596 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,279 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,084 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,093 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,847 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,573 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,722 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,922 |
| Countries with Megacities | 0 | - | 4.99 | 264,611 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,759 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,482 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,017 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,555 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,535 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,230 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 41,277 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,165 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,651 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,353 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,005 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,582 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,360 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,900 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,999 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,946 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,956 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,423 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,206 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,769 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,435 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,067 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,947 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,209 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,161 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,569 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,743 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,229 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,900 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,819 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,472 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,819 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,519 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,231 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,263 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,394 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,127 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,728 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,055 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,908 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,302 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,779 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,512 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,025 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,538 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,054 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,888 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,446 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,014 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,456 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,877 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,703 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,735 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,157 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,337 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,497 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,988 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,871 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,192 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,914 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,623 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,273 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,493 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,196 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,252 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,438 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,227 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,530 |
| Biggest Cities in France | 0 | - | 4.70 | 224,407 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,437 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,081 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,016 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,434 |
| Biggest Cities in China | 0 | - | 4.53 | 159,046 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,061 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,304 |
| Biggest Cities in India | 0 | - | 4.64 | 67,846 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,487 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,254 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,487 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,615 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,673 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,784 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,562 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,528 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,750 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,363 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,238 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,511 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,302 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,916 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,340 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,643 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,414 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,196 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,359 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,636 |
| Boundary Waters | 0 | - | 4.92 | 88,579 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,257 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,281 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,737 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,620 |
| Most Populous Islands | 0 | - | 4.80 | 123,048 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,325 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,569 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,330 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,241 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,657 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,344 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,877 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,576 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,528 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,320 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,156 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,523 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,623 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,393 |
