| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,031 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,390 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,128 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,309 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,678 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,641 |
| US States and State Capitals | 0 | - | 4.99 | 161,742 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,151 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,790 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,950 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,152 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,198 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,878 |
| Biggest Cities in the World | 0 | - | 4.91 | 797,601 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,101 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,625 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,135 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,169 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,053 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,154 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,245 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,123 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,687,873 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,956 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,817 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,726 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,259 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,612 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,129 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,010 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,340 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,622 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,364 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,839 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,887 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,685 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 55,814 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,597 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,904 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 63,940 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,509 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,083 |
| Biggest Cities in the United States | 0 | - | 4.94 | 976,890 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,803 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,282 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,187 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,240 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,204 |
| Biggest Cities in Europe | 0 | - | 4.73 | 545,894 |
| Largest City by Island | 0 | - | 4.87 | 71,769 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,857 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,799 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,350 |
| Megacities on a World Map | 0 | - | 4.98 | 253,939 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,892 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,543 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,284 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,825 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,936 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,794 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,357 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,407 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,136 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,805 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,992 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,169 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,494 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,509 |
| Biggest Cities in California | 0 | - | 4.35 | 139,774 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,061 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,621 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,378 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,197 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,229 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,739 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,271 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,165 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,013 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,206 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,049 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,784 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,506 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,242 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,140 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,520 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,827 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,850 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,473 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,435 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,269 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 65,481 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,063 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,556 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,710 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,277 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,402 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 27,260 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,148 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,715 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,866 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,611 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,903 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,967 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,558 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,168 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,405 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,876 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,003 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,281 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,965 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,795 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,019 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,599 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,458 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,969 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 116,610 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,619 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,859 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,435 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,805 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,987 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,213 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,621 |
| Countries with Megacities | 0 | - | 4.99 | 262,137 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,564 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,767 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,061 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,329 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,096 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,360 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,447 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,132 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,000 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,476 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,066 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,946 |
| Biggest City by Region | 0 | - | 4.50 | 36,154 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,080 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,170 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,337 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,213 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,809 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,924 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,047 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,391 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,367 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,243 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,000 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,354 |
| Biggest Cities in France | 0 | - | 4.70 | 223,793 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,999 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,943 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,832 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,143 |
| Biggest Cities in China | 0 | - | 4.53 | 158,396 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,757 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,184 |
| Biggest Cities in India | 0 | - | 4.63 | 67,703 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,902 |
| Which City in Canada? | 0 | - | 4.82 | 57,014 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,067 |
| U.S. State Flags | 0 | - | 4.89 | 170,062 |
| Hawaiian Islands | 0 | - | 4.83 | 42,674 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,292 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,440 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,481 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,543 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,323 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,790 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,067 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,228 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,851 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,469 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,575 |
| Biggest Cities in History | 0 | - | 4.52 | 90,069 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 76,868 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,940 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,379 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,624 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,580 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,429 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,347 |
| Cities of Ireland | 0 | - | 4.51 | 50,614 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,179 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,880 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,208 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,523 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,288 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,607 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,221 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,962 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,845 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,168 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,136 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,628 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,205 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,484 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,156 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,860 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,005 |
