| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,652 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,370 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,796 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,878 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,611 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,430 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,350 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,550 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,789 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,601 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,519 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,279 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,354 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,956 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,946 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,942 |
| Biggest Cities in the World | 0 | - | 4.92 | 791,119 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,641 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,689 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,898 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,526 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,407 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,942 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,588 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,725 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,048 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,183 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,735 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,787 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,163 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,978 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,281 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,581 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,593 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,225 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,680 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,116 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,228 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,803 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,769 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,631 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,898 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,678,701 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,681 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,684 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,899 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,992 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,500 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,657 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,945 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,458 |
| Largest City by Island | 0 | - | 4.87 | 71,107 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,431 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,631 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,240 |
| Megacities on a World Map | 0 | - | 4.98 | 251,217 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,312 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,851 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,934 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,728 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,636 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,184 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,912 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,901 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,489 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,968 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,182 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,092 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,260 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,131 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,606 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 30,990 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,304 |
| Hawaiian Islands | 0 | - | 4.83 | 42,449 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,643 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,565 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,144 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,148 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,055 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,997 |
| US States and State Capitals | 0 | - | 4.99 | 158,849 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,736 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,161 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,742 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,500 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,031 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,765 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,953 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,965 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,907 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,093 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,901 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,575 |
| Countries with Megacities | 0 | - | 4.99 | 247,474 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,421 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,170 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,828 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,091 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 84,047 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,236 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 502,348 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,977 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,921 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,261 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,737 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.61 | 65,323 |
| Biggest City by Region | 0 | - | 4.50 | 36,009 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,921 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,865 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,036 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,238 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,944 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,501 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,815 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,266 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,846 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,583 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,054 |
| Biggest Cities in France | 0 | - | 4.69 | 222,537 |
| Biggest Cities in Spain | 0 | - | 4.63 | 169,991 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,687 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,491 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,561 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,240 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,578 |
| Biggest Cities in China | 0 | - | 4.53 | 157,142 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,990 |
| Biggest Cities in India | 0 | - | 4.70 | 67,373 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,643 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,843 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,396 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,501 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,665 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,652 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,061 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,660 |
| Rivers of the United States | 0 | - | 4.93 | 65,587 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,988 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,229 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,002 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,548 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,781 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,388 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,466 |
| Biggest Cities in History | 0 | - | 4.52 | 89,177 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,141 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,215 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,738 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 68,213 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,035 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,273 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,374 |
| Biggest Cities in California | 0 | - | 4.35 | 139,262 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,813 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,430 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,214 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,111 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,597 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,666 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,059 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,561 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,018 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,663 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,967 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,263 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,050 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,310 |
| Which City in Canada? | 0 | - | 4.82 | 56,737 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 71,294 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,487 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,716 |
| U.S. State Flags | 0 | - | 4.89 | 167,593 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,695 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,105 |
| State Quiz - Florida | 0 | - | 4.47 | 61,979 |
| State Quiz - Texas | 0 | - | 4.43 | 62,545 |
| State Quiz - New York | 0 | - | 4.52 | 45,788 |
| State Quiz - California | 0 | - | 4.68 | 64,019 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,525 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,302 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,367 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,195 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,456 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,051 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,487 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,675 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,346 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,875 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,457 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,981 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,676 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,476 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,255 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,444 |
| Cities of Ireland | 0 | - | 4.51 | 50,359 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,103 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,595 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,399 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,353 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,696 |
