| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 47,844 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 130,393 |
| Biggest Cities in the World | 0 | - | 4.91 | 758,806 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 112,350 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 329,706 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 47,743 |
| Biggest City by Time Zone | 0 | - | 4.87 | 62,556 |
| Biggest City in Every Country | 0 | - | 4.98 | 91,748 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 191,403 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 103,592 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 112,687 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 74,260 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 79,979 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 401,720 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 74,020 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 45,952 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 66,150 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 49,402 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 63,108 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 121,752 |
| Biggest Cities in the United States | 0 | - | 4.94 | 924,346 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 354,749 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 214,835 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 109,080 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 45,237 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 555,149 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 115,671 |
| Biggest Cities by Language | 0 | - | 4.95 | 225,576 |
| Largest City by Island | 0 | - | 4.89 | 68,119 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.92 | 68,292 |
| Most Populous World Capitals | 0 | - | 4.93 | 170,565 |
| Biggest European Cities by Century | 0 | - | 4.98 | 125,999 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 154,133 |
| Megacities on a World Map | 0 | - | 4.98 | 234,712 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 42,531 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 64,714 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 70,598 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 76,131 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 36,878 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 109,826 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 58,741 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 101,746 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,374 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 162,262 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 163,092 |
| Biggest Cities in Europe | 0 | - | 4.74 | 524,339 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 54,278 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 98,642 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 52,437 |
| Megacities on an Empty Map | 0 | - | 4.95 | 94,124 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 34,773 |
| Biggest Cities in Germany | 0 | - | 4.95 | 282,711 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.81 | 21,869 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 67,083 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 71,497 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.86 | 87,666 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 39,903 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 91,268 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.77 | 71,875 |
| Biggest Mediterranean Cities | 0 | - | 4.56 | 89,463 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 39,950 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 100,439 |
| Biggest English Cities by Century | 0 | - | 4.89 | 103,797 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,452 |
| Biggest City by Region | 0 | - | 4.50 | 35,244 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 55,995 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,374 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,674 |
| Two Largest Cities by First Two Letters | 0 | - | 4.54 | 81,489 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,623 |
| Biggest Cities in Japan | 0 | - | 4.68 | 80,769 |
| Biggest Cities in China | 0 | - | 4.47 | 151,542 |
| Biggest Cities in India | 0 | - | 4.70 | 65,894 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 63,362 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,306 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 43,369 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 160,612 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 118,994 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 141,254 |
| Biggest European Cities by Letter | 0 | - | 4.62 | 124,134 |
| Biggest Cities in History | 0 | - | 4.50 | 86,876 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 71,063 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 64,700 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,345 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 81,294 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 42,295 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,788 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 35,880 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 39,437 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 67,145 |
| Biggest Cities in the Blue Banana | 0 | - | 4.54 | 34,519 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 36,217 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.95 | 37,424 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 120,159 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 113,028 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 105,208 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 118,256 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 138,289 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 122,577 |
| Fastest Growing U.S. Cities | 0 | - | 4.37 | 72,170 |
| Second Biggest Cities by Country | 0 | - | 4.37 | 44,855 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,657 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,179 |
| Biggest Cities by Latitude | 0 | - | 4.77 | 27,122 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 82,261 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 71,576 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 49,967 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 41,306 |
| Biggest Urban Areas in the UK | 0 | - | 4.41 | 173,212 |
| Biggest Cities in Russia | 0 | - | 4.48 | 80,501 |
| Biggest Cities in France | 0 | - | 4.70 | 215,367 |
| Biggest Cities in Spain | 0 | - | 4.63 | 165,051 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 54,231 |
| Biggest Cities in Poland | 0 | - | 4.57 | 51,931 |
| Biggest Cities in the UK | 0 | - | 4.47 | 100,986 |
| Cities of Ireland | 0 | - | 4.50 | 49,075 |
| Biggest Cities in Canada | 0 | - | 4.56 | 128,557 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,009 |
| Biggest Cities in Italy | 0 | - | 4.70 | 232,938 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,394,388 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 367,537 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 162,965 |
| Countries with Megacities | 0 | - | 4.99 | 222,611 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 189,741 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 107,778 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 129,054 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 75,199 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 302,923 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 105,193 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 161,917 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 58,899 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 77,661 |
| Biggest Cities in the World - 2100 | 0 | - | 4.23 | 89,398 |
| Flags to Largest Cities | 0 | - | 4.54 | 36,403 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 51,424 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 37,566 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 106,326 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 90,815 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,526 |
| Biggest World Cities A-Z | 0 | - | 4.61 | 216,083 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 158,059 |
| Biggest Cities Starting With C | 0 | - | 4.10 | 102,198 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 84,306 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 122,390 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 124,325 |
| Biggest Nordic Cities | 0 | - | 4.38 | 60,896 |
| U.S. Cities by Hispanic Population | 0 | - | 4.30 | 36,556 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.51 | 22,656 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,679 |
| Biggest Cities in Washington State | 0 | - | 4.46 | 34,938 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 34,052 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 123,625 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 82,910 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 259,582 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 117,236 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 108,600 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 89,406 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 55,793 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 44,730 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.40 | 47,117 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.27 | 108,608 |
| Biggest Cities by Trait #2 | 0 | - | 4.40 | 14,933 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,403 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,107 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 30,221 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 20,177 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.23 | 19,298 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,479 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 62,393 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.43 | 14,172 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 136,298 |
| Countries of Europe by Population | 0 | - | 4.98 | 167,878 |
| Most Populous Countries by Year | 0 | - | 4.81 | 104,492 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 69,788 |
| Demographics Multiple Choice | 0 | - | 4.68 | 41,467 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 87,581 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 111,249 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 102,325 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 108,644 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 86,068 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 90,532 |
| Jewish Cities Quiz | 0 | - | 4.33 | 60,901 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.74 | 67,504 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,001 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 20,776 |
| The Most Populous U.S. City by Category | 0 | - | 4.34 | 21,799 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,481 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.35 | 98,632 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 104,146 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 83,333 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 78,434 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.38 | 32,213 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 66,171 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 71,866 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 79,089 |
| Biggest Cities in California | 0 | - | 4.34 | 136,725 |
| Biggest Cities in Florida | 0 | - | 4.22 | 70,503 |
| Biggest Cities in New York State | 0 | - | 4.31 | 58,356 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 44,492 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 47,793 |
