| Biggest Cities in the World | 0 | - | 4.90 | 694,912 |
| Biggest Cities in Asia | 0 | - | 4.94 | 96,999 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,984 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 42,417 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 92,954 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 375,084 |
| Biggest Cities in the United States | 0 | - | 4.93 | 841,706 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 336,799 |
| Biggest City by Time Zone | 0 | - | 4.84 | 55,202 |
| Biggest City in Every Country | 0 | - | 4.98 | 80,124 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 172,075 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 93,184 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 97,885 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 65,912 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 201,757 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 72,525 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 121,554 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,136 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,728 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 307,188 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 98,888 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,292 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,709 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,000 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 108,096 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.96 | 94,386 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,605 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,078 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,131 |
| Most Populous World Capitals | 0 | - | 4.93 | 149,564 |
| Biggest European Cities by Century | 0 | - | 4.98 | 119,732 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.94 | 140,536 |
| Megacities on a World Map | 0 | - | 4.98 | 222,283 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,319 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 102,919 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 518,758 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,377 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,070 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 70,221 |
| 500 Biggest US Cities | 0 | - | 4.87 | 99,573 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,133 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 85,556 |
| Biggest City in Each U.S. State | 0 | - | 4.83 | 152,243 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 155,772 |
| Biggest Cities in Europe | 0 | - | 4.76 | 469,767 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,246 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 44,709 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,224 |
| Biggest Cities in Germany | 0 | - | 4.95 | 265,818 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.90 | 29,731 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,595 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 77,830 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,130 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,266 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,460 |
| Biggest English Cities by Century | 0 | - | 4.90 | 100,058 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,826 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.50 | 40,924 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.78 | 69,221 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 87,050 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,242 |
| Biggest Cities in Canada | 0 | - | 4.66 | 121,568 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.95 | 29,689 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 60,749 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,071 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,224 |
| Biggest City by Region | 0 | - | 4.50 | 33,873 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,717 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,519 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,616 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.70 | 74,894 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,345 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,225 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,843 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 34,566 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,719 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 119,789 |
| Biggest City by Island | 0 | - | 4.57 | 45,951 |
| Biggest Cities in History | 0 | - | 4.50 | 81,250 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,257 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,126 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 78,488 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 62,238 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,367 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,605 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,201 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 36,960 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 64,853 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 32,006 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 33,314 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 113,244 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 107,536 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 98,515 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 111,400 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 129,826 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 115,562 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,587 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.23 | 93,360 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,822 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 36,655 |
| Cities on Interstate 90 on a Map | 0 | - | 4.43 | 28,739 |
| Biggest Cities in Japan | 0 | - | 4.65 | 76,092 |
| Biggest Cities in Russia | 0 | - | 4.49 | 77,263 |
| Biggest Cities in France | 0 | - | 4.76 | 201,331 |
| Biggest Cities in Spain | 0 | - | 4.55 | 155,091 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,753 |
| Biggest Cities in Poland | 0 | - | 4.57 | 48,601 |
| Biggest Cities in the UK | 0 | - | 4.46 | 94,374 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,722 |
| Biggest Cities in China | 0 | - | 4.55 | 140,234 |
| Cities of Ireland | 0 | - | 4.43 | 40,041 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,860 |
| Biggest Cities in India | 0 | - | 4.71 | 62,859 |
| Biggest Cities in Italy | 0 | - | 4.66 | 219,388 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 138,608 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 110,663 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,450 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,102 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,082 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,264 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,340 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,409 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,059 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,232 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 100,080 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,805 |
| Five Biggest Cities by Country | 0 | - | 4.66 | 153,828 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,574 |
| Flags to Largest Cities | 0 | - | 4.54 | 32,509 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.48 | 20,949 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.74 | 65,648 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 39,085 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,451 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 41,390 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 22,891 |
| Biggest World Cities A-Z | 0 | - | 4.57 | 204,367 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.96 | 78,506 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,320,258 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 351,402 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,605 |
| Countries with Megacities | 0 | - | 4.99 | 199,797 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,395 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 98,994 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 96,995 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 64,962 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 250,565 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,711 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 82,186 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,560 |
| Largest Nordic Cities on a Map | 0 | - | 4.76 | 23,725 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 168,441 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 18,972 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,893 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 32,210 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 149,387 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 97,589 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 79,328 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 115,657 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 117,065 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.77 | 19,363 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,560 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,780 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 246,812 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,820 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 103,861 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,369 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,952 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,318 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,265 |
| Word Scramble - U.S. States | 0 | - | 4.96 | 461,943 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,401 |
| U.S. Cities by Hispanic Population | 0 | - | 4.27 | 24,643 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 14,803 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.40 | 88,595 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 74,627 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.32 | 82,878 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.08 | 88,670 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.15 | 70,510 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.22 | 66,051 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 60,806 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 68,134 |
| Biggest U.S. Cities A-Z | 0 | - | 4.71 | 132,296 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 29,978 |
| Biggest Cities in California | 0 | - | 4.35 | 131,104 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,707 |
| Biggest Cities in New York State | 0 | - | 4.29 | 56,108 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,902 |
| Biggest Cities in Ohio | 0 | - | 4.37 | 45,952 |
| Biggest Cities in Texas | 0 | - | 4.26 | 111,895 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,521 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 75,471 |
| Countries of Europe by Population | 0 | - | 4.98 | 129,265 |
| Most Populous Countries by Year | 0 | - | 4.81 | 94,755 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,039 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,516 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 81,691 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 94,268 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 71,790 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 86,400 |
| Biggest Cities Near a Border | 0 | - | 4.20 | 28,881 |
