| Biggest Cities in the World | 0 | - | 4.89 | 685,519 |
| Biggest Cities in Asia | 0 | - | 4.94 | 95,703 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,356 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 41,603 |
| Biggest Cities in Germany | 0 | - | 4.95 | 262,609 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 32,878 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 370,639 |
| Biggest Cities in the United States | 0 | - | 4.92 | 814,574 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 333,325 |
| Biggest City by Time Zone | 0 | - | 4.84 | 54,237 |
| Biggest City in Every Country | 0 | - | 4.97 | 78,614 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 169,344 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 91,875 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 95,936 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 64,749 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 198,922 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 71,234 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 109,113 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 65,067 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,297 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 303,563 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 97,282 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 59,597 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,314 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.96 | 55,075 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 106,106 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 75,830 |
| Cities of China (With Some Help) | 0 | - | 4.86 | 28,148 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 108,893 |
| Biggest Cities by Language | 0 | - | 4.95 | 213,694 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 64,733 |
| Most Populous World Capitals | 0 | - | 4.92 | 148,285 |
| Biggest European Cities by Century | 0 | - | 4.98 | 118,614 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 131,526 |
| Megacities on a World Map | 0 | - | 4.98 | 220,482 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 43,876 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.91 | 91,720 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 512,578 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,786 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 63,293 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,369 |
| 500 Biggest US Cities | 0 | - | 4.87 | 97,777 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,230 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 84,129 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 151,011 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 154,663 |
| Biggest Cities in Europe | 0 | - | 4.75 | 463,494 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 50,861 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 90,969 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 43,605 |
| Megacities on an Empty Map | 0 | - | 4.95 | 87,410 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.90 | 28,926 |
| Biggest Cities in Sweden | 0 | - | 4.83 | 37,197 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 63,682 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,795 |
| Biggest English Cities by Century | 0 | - | 4.90 | 99,498 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 68,707 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 86,512 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 36,785 |
| Biggest Cities in France | 0 | - | 4.76 | 199,092 |
| Biggest Cities in Spain | 0 | - | 4.50 | 153,267 |
| Biggest Cities in the UK | 0 | - | 4.46 | 93,293 |
| Biggest Cities in China | 0 | - | 4.64 | 138,195 |
| Biggest Cities in Italy | 0 | - | 4.65 | 216,815 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.44 | 60,290 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,503 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,033 |
| Biggest City by Region | 0 | - | 4.49 | 33,604 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,330 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,336 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 76,473 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 46,979 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 64,307 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 38,541 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,121 |
| Biggest European Cities by Letter | 0 | - | 4.65 | 118,552 |
| Biggest City by Island | 0 | - | 4.57 | 45,743 |
| Biggest Cities in History | 0 | - | 4.50 | 80,104 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 67,911 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 62,885 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 77,833 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 55,870 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,088 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 40,284 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,946 |
| Biggest World Cities in 1850 | 0 | - | 4.58 | 64,543 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 112,056 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 106,760 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 97,511 |
| Biggest Cities Starting With L | 0 | - | 4.45 | 110,335 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 128,635 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 114,547 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,515 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,758 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 35,937 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 167,641 |
| Biggest Cities in Japan | 0 | - | 4.66 | 75,245 |
| Biggest Cities in Russia | 0 | - | 4.49 | 76,332 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,090 |
| Biggest Cities in Poland | 0 | - | 4.56 | 48,001 |
| Cities of Ireland | 0 | - | 4.43 | 39,682 |
| Biggest Cities in Canada | 0 | - | 4.66 | 120,282 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,510 |
| Biggest Cities in India | 0 | - | 4.72 | 62,303 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,986 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,576 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,141 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 38,954 |
| Biggest Coastal City by Country | 0 | - | 4.59 | 27,015 |
| Biggest City by Region #2 | 0 | - | 4.45 | 23,097 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,222 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,204 |
| Northernmost Major City by Country | 0 | - | 4.56 | 30,838 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 99,019 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,645 |
| Five Biggest Cities by Country | 0 | - | 4.67 | 152,296 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,247 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.71 | 74,454 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 42,452 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 28,691 |
| Flags to Largest Cities | 0 | - | 4.54 | 31,844 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,679 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,320 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 40,857 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,746 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 193,615 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,309,372 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 348,928 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,479 |
| Countries with Megacities | 0 | - | 4.99 | 196,639 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,054 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,662 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 94,960 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 63,623 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,286 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,597 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 37,151 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.25 | 90,905 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,545 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 80,956 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,419 |
| Largest Nordic Cities on a Map | 0 | - | 4.76 | 23,194 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,514 |
| Biggest Cities in Portugal | 0 | - | 4.41 | 18,771 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,802 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 31,907 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 147,845 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 96,907 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 78,690 |
| Biggest Cities Starting With S | 0 | - | 4.39 | 114,508 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 116,109 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,860 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 65,962 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 244,714 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 108,841 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,841 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 68,766 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,401 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 64,938 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,158 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,104 |
| Biggest Cities in Mexico | 0 | - | 4.55 | 29,175 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,238 |
| U.S. Cities by Hispanic Population | 0 | - | 4.26 | 24,536 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 14,676 |
| Saint Lucia Country Quiz | 0 | - | 4.70 | 16,261 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.36 | 83,215 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.38 | 69,653 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.28 | 77,973 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 83,596 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.15 | 65,965 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 61,730 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.22 | 59,963 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 67,402 |
| Biggest U.S. Cities A-Z | 0 | - | 4.63 | 122,025 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 27,883 |
| Biggest Cities in California | 0 | - | 4.35 | 130,299 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,297 |
| Biggest Cities in New York State | 0 | - | 4.29 | 55,774 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,633 |
| Biggest Cities in Ohio | 0 | - | 4.36 | 45,650 |
| Biggest Cities in Texas | 0 | - | 4.26 | 111,256 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,351 |
| Countries of Europe by Population | 0 | - | 4.98 | 126,072 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,553 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 96,351 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 75,093 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 93,258 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 69,062 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 85,828 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 28,373 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,334 |
| Cities on Interstate 90 on a Map | 0 | - | 4.40 | 25,205 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.21 | 17,010 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 204,975 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 109,432 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 68,528 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,038 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,596 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,865 |
