| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 144,481 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 70,896 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.87 | 101,117 |
| Biggest Cities in the World | 0 | - | 4.90 | 702,560 |
| Biggest Cities in Asia | 0 | - | 4.94 | 98,203 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 44,442 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 93,623 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,860 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.70 | 75,214 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 43,031 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 30,412 |
| Biggest City by Time Zone | 0 | - | 4.85 | 55,963 |
| Biggest City in Every Country | 0 | - | 4.98 | 81,413 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 174,224 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 94,230 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 99,602 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 66,804 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 203,256 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 73,366 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 122,678 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 378,215 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.47 | 46,011 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,916 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,993 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 309,777 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 100,224 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,868 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,982 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,719 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 109,494 |
| Biggest Cities in the United States | 0 | - | 4.93 | 848,848 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 338,588 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 110,196 |
| Biggest Cities by Language | 0 | - | 4.95 | 216,383 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,372 |
| Most Populous World Capitals | 0 | - | 4.94 | 162,241 |
| Biggest European Cities by Century | 0 | - | 4.98 | 120,482 |
| Megacities on a World Map | 0 | - | 4.98 | 223,699 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,748 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 105,088 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 522,838 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,894 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,695 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,782 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 91,876 |
| Biggest City in Each U.S. State | 0 | - | 4.86 | 153,349 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,615 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 45,482 |
| Biggest Cities in Germany | 0 | - | 4.95 | 267,924 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 156,708 |
| Biggest Cities in Europe | 0 | - | 4.75 | 489,074 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,904 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.24 | 95,185 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,984 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,774 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 29,190 |
| Biggest Cities in Canada | 0 | - | 4.66 | 122,382 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 34,940 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 39,569 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,830 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 79,282 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,476 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,580 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 63,161 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,844 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,394 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.45 | 37,495 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,679 |
| Biggest English Cities by Century | 0 | - | 4.90 | 100,526 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 69,622 |
| Biggest Mediterranean Cities | 0 | - | 4.58 | 87,271 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,605 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,881 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 61,095 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,285 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 43,379 |
| Biggest City by Region | 0 | - | 4.50 | 34,056 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 54,024 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,669 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,990 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,423 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 49,186 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 120,327 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,335 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.96 | 78,910 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 33,652 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,581 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 32,515 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 137,476 |
| Biggest City by Island | 0 | - | 4.57 | 46,112 |
| Biggest Cities in History | 0 | - | 4.50 | 81,858 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,544 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,626 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 65,140 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 32,281 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 114,062 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 108,367 |
| Biggest Cities Starting With H | 0 | - | 4.57 | 99,296 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 112,251 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 130,922 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 116,332 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 37,153 |
| Biggest Cities in Japan | 0 | - | 4.66 | 76,671 |
| Biggest Cities in Russia | 0 | - | 4.49 | 77,612 |
| Biggest Cities in France | 0 | - | 4.71 | 202,965 |
| Biggest Cities in Spain | 0 | - | 4.55 | 156,256 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 51,179 |
| Biggest Cities in Poland | 0 | - | 4.57 | 49,059 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,407 |
| Biggest Cities in the UK | 0 | - | 4.46 | 95,157 |
| Biggest Cities in China | 0 | - | 4.55 | 141,704 |
| Cities of Ireland | 0 | - | 4.43 | 43,170 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 44,118 |
| Biggest Cities in India | 0 | - | 4.71 | 63,283 |
| Biggest Cities in Italy | 0 | - | 4.66 | 221,366 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 30,636 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,763 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,557 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 100,635 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,662 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,244 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,921 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,146 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 154,761 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,380 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,442 |
| U.S. Cities by Hispanic Population | 0 | - | 4.27 | 24,753 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,224 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,668 |
| Flags to Largest Cities | 0 | - | 4.55 | 32,989 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.48 | 21,193 |
| The Most Populous U.S. City by Category | 0 | - | 4.31 | 20,937 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.75 | 66,640 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 41,759 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 22,989 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 30,414 |
| Biggest Cities in California | 0 | - | 4.35 | 132,010 |
| Biggest Cities in Florida | 0 | - | 4.20 | 68,176 |
| Biggest Cities in New York State | 0 | - | 4.29 | 56,498 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 43,170 |
| Biggest Cities in Ohio | 0 | - | 4.37 | 46,274 |
| Biggest Cities in Texas | 0 | - | 4.26 | 112,478 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,714 |
| Biggest World Cities A-Z | 0 | - | 4.57 | 205,965 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,328,829 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 353,374 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,038 |
| Countries with Megacities | 0 | - | 4.99 | 201,841 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,370 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,963 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,244 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,873 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,036 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,796 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 83,095 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,658 |
| Largest Nordic Cities on a Map | 0 | - | 4.81 | 30,393 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 169,025 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,125 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,971 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 150,404 |
| Biggest Cities Starting With C | 0 | - | 4.08 | 98,077 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 79,993 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 116,386 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 117,849 |
| Word Scramble - U.S. States | 0 | - | 4.96 | 464,533 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.79 | 19,666 |
| Largest World Cities With Four Letters | 0 | - | 4.38 | 43,587 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,622 |
| Biggest U.S. Cities A-Z | 0 | - | 4.71 | 132,763 |
| Countries Closest to Alaska | 0 | - | 4.92 | 100,366 |
| Countries Closest to Maine | 0 | - | 4.86 | 59,900 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 39,296 |
| Rivers of the United States | 0 | - | 4.92 | 58,117 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 118,102 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,431 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 248,348 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,573 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,265 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 72,246 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 51,346 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,575 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,359 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.40 | 22,486 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.40 | 89,466 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 75,416 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.30 | 83,832 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.08 | 89,470 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 71,201 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.22 | 66,806 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 61,114 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 68,438 |
| Biggest Cities in New Jersey | 0 | - | 4.10 | 25,356 |
| Biggest Cities in Colorado | 0 | - | 4.04 | 30,299 |
| Biggest Cities in Virginia | 0 | - | 4.21 | 23,305 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 19,063 |
| Biggest Cities in Alaska | 0 | - | 4.27 | 23,972 |
| Biggest Cities in Arizona | 0 | - | 4.28 | 29,092 |
| Biggest Cities in Illinois | 0 | - | 4.33 | 24,972 |
| Biggest Cities in Louisiana | 0 | - | 4.12 | 18,546 |
