| Biggest Cities in the World | 0 | - | 4.91 | 799,290 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,004 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,650 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,228 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,428 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,060 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,889 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,567 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,847 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,995 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,832 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,100 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,579 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,689 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,506 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,894 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,272 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,645 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,511 |
| Largest City by Island | 0 | - | 4.87 | 71,908 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,029 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,012 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,570 |
| Megacities on a World Map | 0 | - | 4.98 | 254,714 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,494 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,451 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,376 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,982 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,769 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,443 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,928 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,773 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,301 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,074 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,117 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,462 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,041 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,100 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,112 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,818 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,575 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,312 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,926 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,551 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,450 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,867 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,407 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,366 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,351 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 81,882 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,853 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,058 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,288 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,604 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,095 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,999 |
| Biggest City by Region | 0 | - | 4.50 | 36,238 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,154 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,170 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,187 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,197 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,358 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,286 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,422 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,590 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 55,972 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,556 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,215 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,611 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 155,021 |
| Biggest Cities in History | 0 | - | 4.52 | 90,188 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,618 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,425 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,476 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,409 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,588 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,389 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,679 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,461 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,031 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,441 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,152 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,335 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,509 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,309 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,035 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,103 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,306 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,213 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,224 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,526 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,790 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,059 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,758 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,070 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,638 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,827 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,555 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,636 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,415 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,600 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,112 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,172 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,110 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,124 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,411 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,477 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.67 | 75,524 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,186 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,450 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,569 |
| Countries with Megacities | 0 | - | 4.99 | 263,665 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,406 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,298 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,680 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,336 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,530 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,957 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,934 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,804 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,345 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,144 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,628 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,295 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,683 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,675 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,476 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,802 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,116 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,993 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,845 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 89,026 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,564 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,987 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,845 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,033 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,408 |
| Cities in European Economic Areas on a Map | 0 | - | 4.70 | 17,667 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,200 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,336 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,128 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,446 |
| Biggest Cities in France | 0 | - | 4.70 | 224,069 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,215 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,015 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,926 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,283 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,929 |
| Biggest Cities in China | 0 | - | 4.53 | 158,700 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,898 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,230 |
| Biggest Cities in India | 0 | - | 4.64 | 67,774 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,158 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,272 |
| UK Rivers Map Quiz | 0 | - | 4.54 | 30,470 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,920 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,749 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,879 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,950 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,425 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,574 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,105 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,824 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,216 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,265 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,849 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,154 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,349 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,153 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,380 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,540 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,594 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,720 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,515 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,477 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,698 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,905 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,670 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,626 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,495 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,933 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,190 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,346 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,916 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,594 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,337 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,886 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,471 |
| Cities of Ireland | 0 | - | 4.51 | 50,672 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,190 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,225 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,086 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,040 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,321 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,213 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,775 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,267 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,565 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,282 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,007 |
