| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,119 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,181 |
| Biggest Cities in the World | 0 | - | 4.91 | 799,400 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,163 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,384 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,548 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,600 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,727 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,518 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,483 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,701 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,912 |
| Biggest Cities in the United States | 0 | - | 4.94 | 979,029 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,295 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,045 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,681 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,284 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,452 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,111 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,901 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,586 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,022 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,864 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,112 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,603 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,705 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,565 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,274 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,703 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,575 |
| Largest City by Island | 0 | - | 4.87 | 71,928 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,036 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,027 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,583 |
| Megacities on a World Map | 0 | - | 4.98 | 254,757 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,511 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,389 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,992 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,797 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,453 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,983 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,218 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,579 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,621 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,315 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,092 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,123 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,473 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,051 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,230 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,236 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,599 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,933 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,560 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,472 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,884 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,435 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,310 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,473 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,587 |
| Countries with Megacities | 0 | - | 4.99 | 263,734 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,432 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,308 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,700 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,353 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,376 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,359 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,507 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,029 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,865 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,076 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,301 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,612 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,095 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,004 |
| Biggest City by Region | 0 | - | 4.50 | 36,239 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,154 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,184 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,202 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,199 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,359 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,296 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,789 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,423 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,628 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,928 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,764 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,910 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,966 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,431 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,589 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,111 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 157,476 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,599 |
| Biggest Cities in History | 0 | - | 4.52 | 90,201 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,638 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,429 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,482 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,412 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,130 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,448 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,019 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,930 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,127 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,123 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,905 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,235 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,853 |
| Biggest Cities in India | 0 | - | 4.64 | 67,777 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,400 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,687 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,473 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,041 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,450 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,163 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,943 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,682 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,633 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,508 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,945 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,199 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,357 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,920 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,589 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,050 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,336 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,218 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,785 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,275 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,566 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,287 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,019 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,178 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,873 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,265 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,061 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,354 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,071 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,827 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,555 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,512 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,314 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,645 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,353 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,158 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,353 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,191 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,988 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,938 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,395 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,863 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,464 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,339 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,013 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,441 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,797 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,759 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,651 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,422 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,959 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,426 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,200 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,001 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,934 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,121 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,818 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,351 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,154 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,638 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,311 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,782 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,685 |
| Most Populous Islands | 0 | - | 4.80 | 122,956 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,306 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,538 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,833 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,238 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,473 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,685 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,478 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,836 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,541 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,995 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 89,224 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,990 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,849 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,034 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,411 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,644 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,935 |
| Boundary Waters | 0 | - | 4.92 | 88,490 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,185 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,143 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,515 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,494 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,725 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,725 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,802 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,825 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,118 |
