| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 115,376 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,816 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,951 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,261 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,825 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,999 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,763 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,848 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,265 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,327 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,986 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,680 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,378 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,314 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,379 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,448 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,434 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,283 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,427 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,104 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,792 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,012 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,736 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,725 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,260 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,442 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,269 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,671 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,571 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,728 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,168 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 148,896 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,522 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,054 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,006 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,703 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,439 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,519 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,039 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,166 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,799 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,296 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,695,891 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,418 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,728 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,209 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,498 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,642 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,720 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,353 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,379 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,234 |
| Largest City by Island | 0 | - | 4.87 | 72,254 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,314 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,475 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,975 |
| Megacities on a World Map | 0 | - | 4.98 | 256,146 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,562 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,648 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,450 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,114 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,955 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,490 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,721 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,345 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,943 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,421 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,373 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,636 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,861 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,382 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,386 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,186 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,808 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,992 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,323 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,611 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,224 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,884 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,685 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,428 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,647 |
| US States and State Capitals | 0 | - | 4.99 | 164,536 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,711 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,734 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,265 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,910 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,482 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,994 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,330 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 18,130 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,495 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,359 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,899 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,242 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,280 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,722 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,450 |
| Countries with Megacities | 0 | - | 4.99 | 265,888 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,242 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,755 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,501 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,854 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,771 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,533 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 508,997 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,945 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,609 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,921 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,099 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,542 |
| Biggest City by Region | 0 | - | 4.50 | 36,334 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,255 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,052 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,273 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,413 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,464 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,447 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,298 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,517 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,574 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,369 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,663 |
| Biggest Cities in France | 0 | - | 4.70 | 224,898 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,819 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,185 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,170 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,692 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,650 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,111 |
| Biggest Cities in China | 0 | - | 4.53 | 159,504 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,387 |
| Biggest Cities in India | 0 | - | 4.64 | 67,959 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,960 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,014 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,878 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,449 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,115 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,971 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,320 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,923 |
| Rivers of the United States | 0 | - | 4.93 | 66,521 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,122 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,613 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,438 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,734 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,982 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,405 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,532 |
| Biggest Cities in History | 0 | - | 4.52 | 90,441 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,699 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,546 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,897 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,884 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,621 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,587 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,445 |
| Biggest Cities in New Jersey | 0 | - | 4.14 | 29,144 |
| Biggest Cities in California | 0 | - | 4.35 | 140,221 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,301 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,840 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,259 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,851 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,980 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,777 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 27,037 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 20,039 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,683 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,468 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,975 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,568 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,118 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,951 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,020 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,815 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,394 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,867 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,532 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,568 |
| Which City in Canada? | 0 | - | 4.83 | 57,260 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,592 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,532 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,343 |
| U.S. State Flags | 0 | - | 4.89 | 172,091 |
| Hawaiian Islands | 0 | - | 4.83 | 42,848 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,144 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,456 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,289 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,127 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,814 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,029 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,416 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,547 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,687 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,087 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,132 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,663 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,119 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,886 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 31,117 |
