| Biggest Cities in the World | 0 | - | 4.91 | 800,115 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,342 |
| Biggest Cities in the United States | 0 | - | 4.94 | 979,989 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,521 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,165 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,870 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,593 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,598 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,465 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,014 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,683 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,141 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,032 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,203 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,732 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,799 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,805 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,916 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,789 |
| Largest City by Island | 0 | - | 4.87 | 71,985 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,096 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,105 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,672 |
| Megacities on a World Map | 0 | - | 4.98 | 255,041 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,939 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,447 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,084 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,977 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,568 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,421 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,213 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,170 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,315 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,582 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,119 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,315 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,244 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,609 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,966 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,589 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,626 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,981 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,568 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,456 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,444 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,607 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,599 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,952 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,287 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,396 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,258 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,368 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,893 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,799 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,841 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,890 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,677 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,544 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,023 |
| Biggest City by Region | 0 | - | 4.50 | 36,258 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,174 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,213 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,367 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,332 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,439 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,173 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,227 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,234 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 163,216 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,729 |
| Biggest Cities in History | 0 | - | 4.52 | 90,248 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 77,818 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,457 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,509 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,333 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,159 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,002 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,463 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,728 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,514 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,096 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,520 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,213 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,045 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,181 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,475 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,050 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,968 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,609 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,979 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,261 |
| Biggest Cities in India | 0 | - | 4.64 | 67,804 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,350 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,002 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,316 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,326 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,097 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,844 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,072 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,414 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,085 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,836 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,564 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,540 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,337 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,676 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,606 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,215 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,443 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,573 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,634 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,755 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,533 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,509 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,723 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,785 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,726 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,426 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,471 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,186 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,387 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,195 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,349 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,233 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,749 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,744 |
| Countries with Megacities | 0 | - | 4.99 | 264,199 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,598 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,391 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,856 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,456 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,495 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,005 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 89,965 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,025 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,981 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,873 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,431 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,974 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,221 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,020 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,941 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,886 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,386 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,175 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,700 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,372 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,703 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,985 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,833 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,061 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,039 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,500 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,657 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,169 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,997 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,587 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,650 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,144 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,882 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,590 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,257 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,309 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,862 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,215 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,149 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,227 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,393 |
| Biggest Cities in France | 0 | - | 4.70 | 224,255 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,320 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,358 |
| Biggest Cities in China | 0 | - | 4.53 | 158,864 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,089 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,317 |
| Italy A-Z | 0 | - | 4.49 | 58,381 |
| China A-Z | 0 | - | 4.55 | 67,316 |
| Germany A-Z | 0 | - | 4.56 | 62,657 |
| Australia A-Z | 0 | - | 4.54 | 50,007 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,204 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,780 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,668 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,609 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,045 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,265 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,432 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,944 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,604 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,362 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,910 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,479 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,613 |
| Cities of Ireland | 0 | - | 4.51 | 50,706 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,550 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,267 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,100 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,132 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,423 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,267 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,853 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,299 |
