| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 96,622 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 93,798 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 203,655 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 122,907 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 310,499 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 100,623 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 144,999 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.91 | 105,370 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 71,051 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.87 | 101,412 |
| Biggest Cities in the World | 0 | - | 4.90 | 704,449 |
| Biggest Cities in Asia | 0 | - | 4.94 | 98,433 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 44,555 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 45,750 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 43,183 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 30,567 |
| Biggest City by Time Zone | 0 | - | 4.85 | 56,169 |
| Biggest City in Every Country | 0 | - | 4.98 | 81,715 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 62,135 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 174,755 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 94,565 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 99,953 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 67,040 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 73,591 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 379,029 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.47 | 47,008 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 67,123 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 43,060 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 61,027 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 47,054 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,919 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 109,882 |
| Biggest Cities in the United States | 0 | - | 4.93 | 850,758 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 339,111 |
| Largest Nordic Cities on a Map | 0 | - | 4.82 | 30,993 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 29,361 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 110,340 |
| Biggest Cities by Language | 0 | - | 4.95 | 216,688 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,429 |
| Most Populous World Capitals | 0 | - | 4.94 | 162,694 |
| Biggest European Cities by Century | 0 | - | 4.98 | 120,697 |
| Megacities on a World Map | 0 | - | 4.98 | 224,013 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,838 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 524,090 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 61,005 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,894 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,929 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.70 | 75,306 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,939 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 92,396 |
| Biggest City in Each U.S. State | 0 | - | 4.86 | 153,932 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,731 |
| Biggest Cities in Germany | 0 | - | 4.95 | 268,540 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 156,930 |
| Biggest Cities in Europe | 0 | - | 4.75 | 490,860 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,994 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 53,019 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,957 |
| Biggest Cities in Canada | 0 | - | 4.66 | 122,650 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 35,068 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 39,688 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,905 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 79,729 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,589 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 68,715 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 63,360 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,911 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,458 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.45 | 37,572 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.79 | 39,329 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,732 |
| Biggest English Cities by Century | 0 | - | 4.90 | 100,660 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 69,704 |
| Biggest Mediterranean Cities | 0 | - | 4.58 | 87,336 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 37,317 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,703 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,915 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 61,185 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,347 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 43,416 |
| Biggest City by Region | 0 | - | 4.50 | 34,100 |
| Most Populous 2nd Cities | 0 | - | 4.76 | 54,116 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,705 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 78,164 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,480 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 49,287 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 120,459 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,400 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.96 | 79,027 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.49 | 21,252 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 33,770 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,615 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 32,587 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 39,475 |
| Rivers of the United States | 0 | - | 4.92 | 58,270 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 137,623 |
| Biggest City by Island | 0 | - | 4.57 | 46,165 |
| Biggest Cities in History | 0 | - | 4.50 | 82,014 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,620 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,684 |
| Biggest World Cities in 1850 | 0 | - | 4.64 | 65,237 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 32,356 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 114,294 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 108,534 |
| Biggest Cities Starting With H | 0 | - | 4.57 | 99,494 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 112,498 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 131,206 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 116,571 |
| Hawaiian Islands | 0 | - | 4.86 | 38,978 |
| Biggest Cities in Japan | 0 | - | 4.66 | 76,792 |
| Biggest Cities in Russia | 0 | - | 4.49 | 77,729 |
| Biggest Cities in France | 0 | - | 4.72 | 203,656 |
| Biggest Cities in Spain | 0 | - | 4.55 | 156,602 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 51,297 |
| Biggest Cities in Poland | 0 | - | 4.57 | 49,175 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,477 |
| Biggest Cities in the UK | 0 | - | 4.46 | 95,497 |
| Biggest Cities in China | 0 | - | 4.55 | 142,121 |
| Cities of Ireland | 0 | - | 4.49 | 46,719 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 44,184 |
| Biggest Cities in India | 0 | - | 4.71 | 63,414 |
| Biggest Cities in Italy | 0 | - | 4.70 | 221,870 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 30,904 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 124,877 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 140,064 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,775 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 100,819 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,720 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,290 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,960 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,163 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 155,011 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,417 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,464 |
| U.S. Cities by Hispanic Population | 0 | - | 4.27 | 24,779 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,254 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,692 |
| Flags to Largest Cities | 0 | - | 4.55 | 33,112 |
| The Most Populous U.S. City by Category | 0 | - | 4.31 | 20,983 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 67,161 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 41,910 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 23,025 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 30,489 |
| Biggest Cities in California | 0 | - | 4.35 | 132,191 |
| Biggest Cities in Florida | 0 | - | 4.20 | 68,264 |
| Biggest Cities in New York State | 0 | - | 4.29 | 56,558 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 43,220 |
| Biggest Cities in Ohio | 0 | - | 4.37 | 46,335 |
| Biggest Cities in Texas | 0 | - | 4.26 | 112,681 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,745 |
| Biggest World Cities A-Z | 0 | - | 4.58 | 206,399 |
| Random U.S. State Capitals on a Map | 0 | - | 4.94 | 93,478 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,330,937 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 353,807 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,375 |
| Countries with Megacities | 0 | - | 4.99 | 202,299 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,747 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 100,158 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,534 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 66,121 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,663 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,822 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 83,352 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,696 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 169,188 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,168 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,994 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 150,701 |
| Biggest Cities Starting With C | 0 | - | 4.08 | 98,224 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 80,135 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 116,814 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 118,109 |
| US States by Borders in 30 Seconds | 0 | - | 4.76 | 2,452,380 |
| Word Scramble - U.S. States | 0 | - | 4.96 | 465,157 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.79 | 19,733 |
| Largest World Cities With Four Letters | 0 | - | 4.38 | 43,630 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,677 |
| Biggest U.S. Cities A-Z | 0 | - | 4.71 | 132,895 |
| Countries Closest to Alaska | 0 | - | 4.92 | 100,547 |
| Countries Closest to Maine | 0 | - | 4.86 | 60,045 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 118,268 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,606 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 248,690 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,755 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,372 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 72,470 |
| Countries by Population Range - Tile Select | 0 | - | 4.84 | 51,455 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,618 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,379 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.40 | 89,676 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 75,591 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.30 | 84,026 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.08 | 89,664 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 71,337 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.22 | 66,950 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 61,204 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 68,504 |
| Biggest Cities in New Jersey | 0 | - | 4.10 | 25,400 |
| Biggest Cities in Colorado | 0 | - | 4.04 | 30,332 |
| Biggest Cities in Virginia | 0 | - | 4.21 | 23,382 |
