| All 1M Cities by Proximity | 0 | - | 5.00 | 555,734 |
| Biggest Cities in the World | 0 | - | 4.91 | 759,715 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 330,047 |
| Biggest City by Time Zone | 0 | - | 4.87 | 62,637 |
| Biggest City in Every Country | 0 | - | 4.98 | 91,914 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 191,682 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 103,741 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 112,891 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 74,387 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 80,084 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 402,083 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 74,133 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 46,006 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 66,259 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 49,443 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 63,210 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 122,017 |
| Biggest Cities in the United States | 0 | - | 4.94 | 925,802 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 355,036 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 215,045 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 130,533 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 109,217 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 115,762 |
| Biggest Cities by Language | 0 | - | 4.95 | 225,731 |
| Largest City by Island | 0 | - | 4.89 | 68,198 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.92 | 68,338 |
| Most Populous World Capitals | 0 | - | 4.93 | 170,679 |
| Biggest European Cities by Century | 0 | - | 4.98 | 126,073 |
| Megacities on a World Map | 0 | - | 4.98 | 234,891 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 42,636 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 64,780 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 70,686 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 58,820 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 101,935 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 162,420 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 163,206 |
| Biggest Cities in Asia | 0 | - | 4.94 | 105,239 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 47,896 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 98,699 |
| Megacities on an Empty Map | 0 | - | 4.96 | 94,212 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 47,830 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 120,248 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 113,095 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 105,290 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 118,341 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 138,391 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 122,662 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 67,124 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 71,541 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 154,277 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 112,465 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 76,214 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.94 | 37,026 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 109,974 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 100,458 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,469 |
| Biggest City by Region | 0 | - | 4.50 | 35,262 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,041 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,409 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,697 |
| Two Largest Cities by First Two Letters | 0 | - | 4.55 | 81,544 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,641 |
| Biggest Cities in Europe | 0 | - | 4.74 | 524,887 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 54,328 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 52,578 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 34,857 |
| Biggest Cities in Germany | 0 | - | 4.95 | 282,964 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 158,168 |
| Biggest Cities Starting With C | 0 | - | 4.10 | 102,254 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 84,344 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 122,462 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 124,425 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 160,754 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 119,123 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 70,034 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 141,306 |
| Biggest Cities in History | 0 | - | 4.52 | 86,971 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 71,094 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 42,328 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 67,180 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.86 | 87,914 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 39,945 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 91,444 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 45,290 |
| Fastest Growing U.S. Cities | 0 | - | 4.37 | 72,194 |
| Second Biggest Cities by Country | 0 | - | 4.37 | 44,982 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,670 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,193 |
| Biggest Cities by Latitude | 0 | - | 4.77 | 27,133 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,397 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.77 | 71,913 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 89,828 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 39,985 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,395,537 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 367,767 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 163,317 |
| Countries with Megacities | 0 | - | 4.99 | 223,020 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 190,020 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 107,935 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 129,298 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 75,381 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 304,126 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 105,254 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.49 | 63,397 |
| Biggest English Cities by Century | 0 | - | 4.90 | 104,154 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 162,028 |
| Biggest Cities in the World - 2100 | 0 | - | 4.23 | 89,493 |
| Flags to Largest Cities | 0 | - | 4.54 | 36,478 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 106,460 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 90,937 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,536 |
| Biggest World Cities A-Z | 0 | - | 4.56 | 216,213 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 123,723 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 83,008 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 259,757 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 117,344 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 108,676 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 89,509 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 55,876 |
| Biggest European Cities by Letter | 0 | - | 4.62 | 124,190 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 64,720 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 44,760 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,367 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 81,401 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.27 | 108,825 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,810 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 35,901 |
| Biggest Cities by Trait #2 | 0 | - | 4.40 | 14,945 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 39,462 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 36,275 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 82,316 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 71,620 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 50,013 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 41,375 |
| Biggest Urban Areas in the UK | 0 | - | 4.41 | 173,279 |
| Biggest Cities in Japan | 0 | - | 4.65 | 80,823 |
| Biggest Cities in Russia | 0 | - | 4.48 | 80,543 |
| Biggest Cities in France | 0 | - | 4.70 | 215,623 |
| Biggest Cities in Spain | 0 | - | 4.69 | 165,193 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 54,294 |
| Biggest Cities in Poland | 0 | - | 4.58 | 51,995 |
| Biggest Cities in the UK | 0 | - | 4.47 | 101,069 |
| Biggest Cities in China | 0 | - | 4.47 | 151,693 |
| Cities of Ireland | 0 | - | 4.50 | 49,105 |
| Biggest Cities in Canada | 0 | - | 4.56 | 128,647 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,040 |
| Biggest Cities in India | 0 | - | 4.70 | 65,932 |
| Biggest Cities in Italy | 0 | - | 4.74 | 233,156 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 136,364 |
| Countries of Europe by Population | 0 | - | 4.98 | 168,176 |
| Most Populous Countries by Year | 0 | - | 4.81 | 104,639 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 69,822 |
| Demographics Multiple Choice | 0 | - | 4.69 | 41,492 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 92,767 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 111,662 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 102,573 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 108,838 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 86,227 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 90,596 |
| Jewish Cities Quiz | 0 | - | 4.33 | 60,928 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 58,940 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 77,706 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,036 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,320 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 20,801 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 51,476 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 37,606 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 43,417 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.35 | 98,767 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 104,261 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 83,431 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 78,521 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.38 | 32,280 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 66,252 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 71,939 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 79,845 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 216,905 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 131,389 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 73,429 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 81,540 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 65,089 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 71,192 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 93,677 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 160,826 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 165,149 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 222,866 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 175,328 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 172,006 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 100,046 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 105,571 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 155,184 |
| Biggest Nordic Cities | 0 | - | 4.38 | 60,911 |
| U.S. Cities by Hispanic Population | 0 | - | 4.30 | 36,609 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,390 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.51 | 22,680 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,695 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 169,444 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 34,184 |
| Most Populous Islands | 0 | - | 4.78 | 119,497 |
| Islands by Largest City #1 | 0 | - | 4.47 | 93,765 |
