| All 1M Cities by Proximity | 0 | - | 5.00 | 520,249 |
| Biggest Cities in the World | 0 | - | 4.90 | 697,980 |
| Biggest City by Time Zone | 0 | - | 4.85 | 55,529 |
| Biggest City in Every Country | 0 | - | 4.98 | 80,752 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 172,986 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 93,594 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 98,813 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 66,279 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 72,840 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 376,316 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,467 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,825 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,515 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,811 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,258 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 108,623 |
| Biggest Cities in the United States | 0 | - | 4.93 | 844,564 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 337,474 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 202,279 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 122,006 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 308,122 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 99,388 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,832 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,783 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,228 |
| Most Populous World Capitals | 0 | - | 4.94 | 159,370 |
| Biggest European Cities by Century | 0 | - | 4.98 | 119,958 |
| Megacities on a World Map | 0 | - | 4.98 | 222,979 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,578 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,281 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,428 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 85,930 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 152,660 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 156,053 |
| Biggest Cities in Asia | 0 | - | 4.94 | 97,359 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 44,169 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 93,246 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,419 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 42,667 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 113,533 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 107,754 |
| Biggest Cities Starting With H | 0 | - | 4.57 | 98,836 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 111,714 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 130,360 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 115,846 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,261 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,385 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 143,319 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,518 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 104,393 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 70,526 |
| 500 Biggest US Cities | 0 | - | 4.88 | 100,160 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,147 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,276 |
| Biggest City by Region | 0 | - | 4.50 | 33,948 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,819 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,587 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,592 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,300 |
| Biggest Cities in Europe | 0 | - | 4.75 | 471,553 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,374 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 44,990 |
| Biggest Cities in Germany | 0 | - | 4.95 | 266,630 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 149,784 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 97,774 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 79,687 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 115,937 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 117,383 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 29,996 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,086 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,084 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 65,283 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,907 |
| Biggest City by Island | 0 | - | 4.57 | 46,006 |
| Biggest Cities in History | 0 | - | 4.50 | 81,485 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,377 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,437 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 64,956 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,672 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 78,399 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,529 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,151 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,107 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,307 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,377 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,113 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,536 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,458 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 69,373 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 87,126 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,403 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,323,611 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 352,331 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,156 |
| Countries with Megacities | 0 | - | 4.99 | 200,574 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 174,329 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,309 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 97,482 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,317 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,526 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 100,303 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 60,877 |
| Biggest English Cities by Century | 0 | - | 4.90 | 100,266 |
| Five Biggest Cities by Country | 0 | - | 4.66 | 154,189 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 82,534 |
| Flags to Largest Cities | 0 | - | 4.54 | 32,691 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,923 |
| Biggest World Cities A-Z | 0 | - | 4.57 | 205,016 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,773 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,051 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 247,312 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,108 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,017 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,758 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 51,109 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 119,988 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,214 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 62,643 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.23 | 94,125 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,703 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,277 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,292 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.45 | 37,221 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 33,445 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 78,658 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,905 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.50 | 41,284 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 36,858 |
| Biggest Cities in Japan | 0 | - | 4.65 | 76,239 |
| Biggest Cities in Russia | 0 | - | 4.49 | 77,394 |
| Biggest Cities in France | 0 | - | 4.76 | 202,017 |
| Biggest Cities in Spain | 0 | - | 4.55 | 155,554 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,913 |
| Biggest Cities in Poland | 0 | - | 4.57 | 48,786 |
| Biggest Cities in the UK | 0 | - | 4.46 | 94,667 |
| Biggest Cities in China | 0 | - | 4.57 | 140,749 |
| Cities of Ireland | 0 | - | 4.43 | 40,150 |
| Biggest Cities in Canada | 0 | - | 4.66 | 121,863 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,952 |
| Biggest Cities in India | 0 | - | 4.71 | 63,016 |
| Biggest Cities in Italy | 0 | - | 4.66 | 220,063 |
| Biggest U.S. Cities A-Z | 0 | - | 4.72 | 132,467 |
| Countries of Europe by Population | 0 | - | 4.98 | 130,137 |
| Most Populous Countries by Year | 0 | - | 4.81 | 95,117 |
| Most Populous Country by First Two Letters | 0 | - | 4.71 | 67,468 |
| Demographics Multiple Choice | 0 | - | 4.64 | 40,076 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,172 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,866 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 83,228 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 94,554 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 72,195 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,461 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,707 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.70 | 75,035 |
| Biggest Cities Near a Border | 0 | - | 4.20 | 29,026 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,612 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,634 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,964 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 34,715 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.75 | 66,056 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 39,263 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 41,524 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.40 | 88,945 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 74,961 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.32 | 83,232 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.08 | 89,032 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 70,816 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.22 | 66,371 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 60,917 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 68,251 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 206,996 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 110,484 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,161 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,728 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 54,075 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 67,421 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 87,809 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 145,249 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 147,548 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 208,490 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 163,407 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 159,746 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 82,041 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,419 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 147,377 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,841 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.39 | 30,260 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.48 | 21,067 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 22,932 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 163,076 |
| Most Populous Islands | 0 | - | 4.71 | 113,618 |
| Islands by Largest City #1 | 0 | - | 4.48 | 82,488 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,862 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 50,200 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.91 | 7,450 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,739 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,702 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,877 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,602 |
| Largest Nordic Cities on a Map | 0 | - | 4.79 | 23,885 |
