| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,226 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,695 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,738 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,439 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,423 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,502 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,015 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,892 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,250 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,550 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,276 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,165 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,210 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,686 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,604 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,161 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,861 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,490 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,175 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,696 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,604 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,594 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,742 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,788 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,802 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,920 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,450 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,398 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,486 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,536 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,462 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,227 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,534 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,024 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,748 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,133 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,720 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,642 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,484 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 99,739 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,921 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,423 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,371 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,805 |
| Largest City by Island | 0 | - | 4.87 | 71,009 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,358 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,502 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,489 |
| Megacities on a World Map | 0 | - | 4.98 | 250,829 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,239 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,043 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,772 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,833 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,649 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,118 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,113 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,984 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,970 |
| Biggest Cities in Europe | 0 | - | 4.70 | 541,986 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,637 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,798 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,470 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,157 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,785 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,468 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 114,981 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,255 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,933 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 96,972 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,038 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,520 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,102 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,273 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,580 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,095 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,019 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,880 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,255 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 30,969 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,882 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,892 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,678 |
| Biggest City by Region | 0 | - | 4.50 | 35,990 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,892 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,008 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,215 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,915 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,905 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,904 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,247 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,346 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,212 |
| Biggest Cities in History | 0 | - | 4.52 | 89,097 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,109 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.61 | 65,307 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,976 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,847 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,177 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 68,184 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 35,989 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,540 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,932 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,729 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,932 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,878 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,471 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,936 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,570 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,883 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,119 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 125,966 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,210 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,406 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,758 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 63,979 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,767 |
| Biggest Cities in Japan | 0 | - | 4.67 | 82,503 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,009 |
| Biggest Cities in France | 0 | - | 4.69 | 221,963 |
| Biggest Cities in Spain | 0 | - | 4.63 | 169,764 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,632 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,429 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,121 |
| Biggest Cities in China | 0 | - | 4.53 | 156,955 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,942 |
| Biggest Cities in India | 0 | - | 4.70 | 67,315 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,378 |
| US States Quiz | 0 | - | 5.00 | 16,693,442 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,555 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,908 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,500 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,853 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,973 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,663 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,462 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,198 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,292 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,442 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,620 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,714 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,759 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,396 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,573 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,716 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,951 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,323 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,091 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,265 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,380 |
| Biggest Cities in California | 0 | - | 4.35 | 139,191 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,782 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,405 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,190 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,071 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,578 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,598 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,046 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,309 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,833 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,521 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,485 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,005 |
| Countries with Megacities | 0 | - | 4.99 | 246,555 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,930 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,810 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,377 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,761 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,846 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,742 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,722 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,376 |
| Cities of Ireland | 0 | - | 4.51 | 50,318 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,793 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,837 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,729 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,569 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,614 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,737 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,414 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,192 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,043 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,371 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,792 |
| US States with an Empty Map | 0 | - | 5.00 | 618,580 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,661 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,541 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,881 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,375 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,084 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,782 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,833 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,828 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,444 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,550 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,210 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,611 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,527 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,876 |
| Cities in European Economic Areas on a Map | 0 | - | 4.68 | 16,926 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,553 |
