| Biggest Cities in the World | 0 | - | 4.89 | 687,695 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 371,559 |
| Biggest Cities in the United States | 0 | - | 4.93 | 822,214 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 334,245 |
| Biggest City by Time Zone | 0 | - | 4.84 | 54,471 |
| Biggest City in Every Country | 0 | - | 4.97 | 78,940 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 169,993 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 92,179 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 96,398 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 65,000 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 71,559 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 65,326 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,403 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 59,775 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,400 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 55,304 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 106,513 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,072 |
| Biggest Cities by Language | 0 | - | 4.95 | 214,057 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 64,887 |
| Most Populous World Capitals | 0 | - | 4.92 | 148,618 |
| Biggest European Cities by Century | 0 | - | 4.98 | 118,895 |
| Megacities on a World Map | 0 | - | 4.98 | 220,851 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 514,344 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,909 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 63,501 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 84,476 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 151,328 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 154,980 |
| Biggest Cities in Asia | 0 | - | 4.94 | 95,986 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,490 |
| Megacities on an Empty Map | 0 | - | 4.95 | 87,617 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 41,772 |
| Biggest Cities in Germany | 0 | - | 4.95 | 263,314 |
| Biggest Cities in Sweden | 0 | - | 4.82 | 37,263 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 76,356 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 63,790 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,900 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 199,374 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 109,381 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 304,357 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 97,604 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,231 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.94 | 133,483 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 43,986 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.91 | 92,010 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,557 |
| 500 Biggest US Cities | 0 | - | 4.87 | 98,276 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,441 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 50,963 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 91,127 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 43,887 |
| Biggest Cities in Europe | 0 | - | 4.75 | 465,340 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,561 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,087 |
| Biggest City by Region | 0 | - | 4.49 | 33,667 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,410 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,378 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 76,711 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 29,132 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,045 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,261 |
| Biggest City by Island | 0 | - | 4.57 | 45,783 |
| Biggest Cities in History | 0 | - | 4.50 | 80,297 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 67,981 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.49 | 40,146 |
| Biggest World Cities in 1850 | 0 | - | 4.58 | 64,611 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 32,977 |
| Biggest Cities Starting With A | 0 | - | 4.56 | 112,279 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 106,926 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 97,733 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 110,581 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 128,939 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 114,784 |
| Biggest Cities in Japan | 0 | - | 4.66 | 75,634 |
| Biggest Cities in Russia | 0 | - | 4.49 | 76,670 |
| Biggest Cities in France | 0 | - | 4.76 | 199,798 |
| Biggest Cities in Spain | 0 | - | 4.50 | 153,669 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,228 |
| Biggest Cities in Poland | 0 | - | 4.57 | 48,119 |
| Biggest Cities in the UK | 0 | - | 4.46 | 93,554 |
| Biggest Cities in China | 0 | - | 4.64 | 138,791 |
| Cities of Ireland | 0 | - | 4.43 | 39,754 |
| Biggest Cities in Canada | 0 | - | 4.66 | 120,509 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,602 |
| Biggest Cities in India | 0 | - | 4.72 | 62,432 |
| Biggest Cities in Italy | 0 | - | 4.65 | 217,349 |
| Biggest U.S. Cities A-Z | 0 | - | 4.63 | 122,183 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,278 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,871 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,222 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 38,990 |
| Biggest English Cities by Century | 0 | - | 4.90 | 99,627 |
| Biggest Coastal City by Country | 0 | - | 4.59 | 27,034 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,131 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,250 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,257 |
| Northernmost Major City by Country | 0 | - | 4.56 | 30,881 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 68,841 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 86,605 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 36,896 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 99,553 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 60,415 |
| Five Biggest Cities by Country | 0 | - | 4.66 | 152,557 |
| Flags to Largest Cities | 0 | - | 4.54 | 31,998 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,427 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 64,627 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 38,683 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 41,030 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,772 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 194,071 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,311,978 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 349,729 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,987 |
| Countries with Megacities | 0 | - | 4.99 | 197,361 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,640 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,994 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 95,463 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 63,965 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 248,039 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 119,015 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 62,948 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 60,191 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,630 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 40,358 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,995 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 81,270 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 167,842 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,564 |
| Biggest Cities in Portugal | 0 | - | 4.41 | 18,813 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,823 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 148,128 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 97,037 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 78,825 |
| Biggest Cities Starting With S | 0 | - | 4.39 | 114,747 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 116,325 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,025 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,155 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 245,148 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,089 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,999 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 69,835 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,554 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 78,032 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,183 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,136 |
| Biggest Cities in Mexico | 0 | - | 4.55 | 29,290 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,274 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,586 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,794 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.67 | 56,340 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.71 | 74,574 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 42,484 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 36,099 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,322 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.39 | 86,828 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 73,065 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.32 | 81,348 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 87,016 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.17 | 68,969 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 64,467 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 60,379 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 67,733 |
| Countries of Europe by Population | 0 | - | 4.98 | 127,019 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,753 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 96,707 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 75,404 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 93,547 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 70,196 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,676 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 28,500 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 28,725 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,387 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,729 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 31,984 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 205,367 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 109,647 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 68,648 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,171 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,692 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,968 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 86,983 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 143,806 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 145,067 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 205,404 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 161,001 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 157,459 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.91 | 80,908 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.90 | 84,802 |
| Most Populous Country by First Two Letters | 0 | - | 4.75 | 66,965 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 145,964 |
| Demographics Multiple Choice | 0 | - | 4.66 | 39,801 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 64,459 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.97 | 6,010 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,626 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,263 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.25 | 91,504 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 30,032 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,451 |
| Largest Nordic Cities on a Map | 0 | - | 4.76 | 23,329 |
