| Biggest Cities in the World | 0 | - | 4.91 | 800,248 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,389 |
| Biggest Cities in the United States | 0 | - | 4.94 | 980,182 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,571 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,187 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,901 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,638 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,613 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,512 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,030 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,699 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,164 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,064 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,220 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,746 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,815 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,851 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,009 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,941 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,832 |
| Largest City by Island | 0 | - | 4.87 | 72,000 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,108 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,120 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,681 |
| Megacities on a World Map | 0 | - | 4.98 | 255,092 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,458 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,099 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,006 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,593 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,440 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,236 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,171 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,372 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,608 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,132 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,972 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,601 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,653 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,001 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,585 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,468 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,453 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,629 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,680 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,965 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,319 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,410 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,849 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,923 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,687 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,550 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,025 |
| Biggest City by Region | 0 | - | 4.50 | 36,265 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,178 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,264 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,385 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,215 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,370 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,334 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,905 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,444 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,830 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,391 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,175 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,247 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,017 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,616 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,702 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 163,535 |
| Biggest Cities in History | 0 | - | 4.52 | 90,253 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 77,858 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,461 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,046 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,513 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,460 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,614 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,473 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,733 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,522 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,111 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,527 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,224 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,339 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,337 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,182 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,073 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,088 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,838 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,565 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,548 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,341 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,683 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,658 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,323 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,846 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,422 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,376 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,786 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,763 |
| Countries with Megacities | 0 | - | 4.99 | 264,252 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,622 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,402 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,888 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,466 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,788 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,735 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,477 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,984 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,481 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,181 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,231 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,942 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,895 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,393 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,179 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,712 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,381 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,356 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,704 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,733 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,497 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,016 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,058 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,030 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,874 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,435 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,981 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,001 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,846 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,083 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,066 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,512 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,672 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,177 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,019 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,594 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,154 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,889 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,597 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,221 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,161 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,231 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,401 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,185 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,479 |
| Biggest Cities in France | 0 | - | 4.70 | 224,277 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,342 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,051 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,979 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,371 |
| Biggest Cities in China | 0 | - | 4.53 | 158,884 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,990 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,273 |
| Biggest Cities in India | 0 | - | 4.64 | 67,810 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,343 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,246 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,798 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,675 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,632 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,069 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,270 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,439 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,949 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,480 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,224 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,453 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,584 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,638 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,758 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,537 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,512 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,724 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,148 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,432 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,275 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,864 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,307 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,609 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,366 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,495 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,426 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,112 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,275 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,285 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,362 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,017 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,897 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,283 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,605 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,371 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,912 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,260 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,316 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,863 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,614 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,187 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,391 |
| Cities of Ireland | 0 | - | 4.51 | 50,713 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,196 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,267 |
