| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,791 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,921 |
| Biggest Cities in the World | 0 | - | 4.91 | 795,567 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,917 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,141 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,361 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,420 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,588 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,408 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,345 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,560 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,984 |
| Biggest Cities in the United States | 0 | - | 4.93 | 974,190 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,249 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,341 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,685 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,777 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,720 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,365 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,222 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,088 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,301 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,559 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,667 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,141 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,251 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,625 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,062 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,863 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,802 |
| Largest City by Island | 0 | - | 4.87 | 71,559 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,684 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,515 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,133 |
| Megacities on a World Map | 0 | - | 4.98 | 252,841 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,359 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,130 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,572 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,957 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,953 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,209 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,093 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,431 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,270 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,580 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,401 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,812 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,886 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,682 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,528 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,756 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,094 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,749 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,352 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,532 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,350 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,644 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,912 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,369 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,683 |
| Countries with Megacities | 0 | - | 4.99 | 249,789 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,518 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,787 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,854 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,773 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,904 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,954 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,978 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,135 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,456 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,323 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,966 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,328 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,027 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,890 |
| Biggest City by Region | 0 | - | 4.50 | 36,099 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,027 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,877 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,443 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,135 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,308 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,136 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,379 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,340 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,722 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,566 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,429 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,181 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,542 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,192 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,248 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,811 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 151,960 |
| Biggest Cities in Europe | 0 | - | 4.72 | 544,822 |
| Biggest Cities in History | 0 | - | 4.52 | 89,942 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,254 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,323 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,354 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,863 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,252 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,861 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,732 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,436 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,869 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,577 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,132 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,094 |
| Biggest Cities in India | 0 | - | 4.70 | 67,599 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,034 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,392 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,110 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,444 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,019 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,784 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,804 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,234 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,440 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,071 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,586 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,883 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,062 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,756 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,464 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,557 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,016 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,007 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,035 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,104 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,371 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,998 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,678 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,787 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,769 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,195 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 72,977 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,105 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,018 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,743 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,524 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,332 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,214 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,489 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,465 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,974 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,202 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,151 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,174 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,273 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,793 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,513 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,112 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,953 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,589 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,255 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,592 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,634 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,243 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,351 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,842 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,190 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,093 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,918 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,901 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,547 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,406 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,113 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,930 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,275 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,975 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,502 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,554 |
| Most Populous Islands | 0 | - | 4.80 | 122,716 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,264 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,483 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,740 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,081 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,272 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,491 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,427 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,108 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,303 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,932 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,744 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,881 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,758 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,975 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,316 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,601 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,790 |
| Boundary Waters | 0 | - | 4.92 | 88,333 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,046 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,808 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,033 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,267 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,418 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,217 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,465 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,760 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,942 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,708 |
