| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 115,468 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,863 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,053 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,288 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,869 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,074 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,895 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,914 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,276 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,342 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,991 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,691 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,398 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,319 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,400 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,457 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,782 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,356 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,469 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,185 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,827 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,064 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,871 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,756 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,649 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,536 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,294 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,728 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,659 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,859 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,221 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,110 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,567 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,091 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,072 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,740 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,479 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,548 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,078 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,203 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,904 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,327 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,406 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,428 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,975 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,242 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,510 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,748 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,728 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,390 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,422 |
| Biggest Cities in Europe | 0 | - | 4.73 | 548,374 |
| Largest City by Island | 0 | - | 4.87 | 72,286 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,328 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,511 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,003 |
| Megacities on a World Map | 0 | - | 4.98 | 256,250 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,678 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,662 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,483 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,120 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,965 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,492 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,825 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,360 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,168 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 97,000 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,445 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,383 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,711 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,882 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,438 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,833 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,024 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,340 |
| Hawaiian Islands | 0 | - | 4.83 | 42,864 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,622 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,241 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,901 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,695 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,436 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,758 |
| US States and State Capitals | 0 | - | 4.99 | 164,655 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,755 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,779 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,576 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,919 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,491 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,016 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,355 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 18,131 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,394 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,203 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,706 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,853 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,592 |
| Countries with Megacities | 0 | - | 4.99 | 266,080 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,346 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,801 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,618 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,929 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,790 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,541 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,138 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,963 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,614 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,936 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,108 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,547 |
| Biggest City by Region | 0 | - | 4.50 | 36,343 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,271 |
| Biggest Cities by Latitude Range | 0 | - | 4.80 | 32,063 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,057 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,276 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,415 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,479 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,475 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,313 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,523 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,606 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,397 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,683 |
| Biggest Cities in France | 0 | - | 4.70 | 224,956 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,886 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,197 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,188 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,694 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,667 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,124 |
| Biggest Cities in China | 0 | - | 4.53 | 159,557 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,398 |
| Biggest Cities in India | 0 | - | 4.64 | 67,980 |
| Biggest Cities in Italy | 0 | - | 4.77 | 242,041 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,049 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,917 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,462 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,120 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,973 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,325 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,953 |
| Rivers of the United States | 0 | - | 4.93 | 66,542 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,151 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,677 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,482 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,757 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,023 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,441 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,573 |
| Biggest Cities in History | 0 | - | 4.52 | 90,466 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,761 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,555 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,901 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,905 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,635 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,604 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,451 |
| Biggest Cities in California | 0 | - | 4.35 | 140,249 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,315 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,857 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,501 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,370 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,791 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,925 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,582 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,253 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,992 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,045 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,839 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,432 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,898 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,561 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,622 |
| Which City in Canada? | 0 | - | 4.83 | 57,274 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,609 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,550 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,356 |
| U.S. State Flags | 0 | - | 4.89 | 172,199 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,223 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,462 |
| State Quiz - Florida | 0 | - | 4.47 | 62,519 |
| State Quiz - Texas | 0 | - | 4.43 | 63,100 |
| State Quiz - New York | 0 | - | 4.52 | 46,325 |
| State Quiz - California | 0 | - | 4.69 | 64,684 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,851 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,386 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,173 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,831 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,093 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,464 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,591 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,721 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,106 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,139 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,668 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,123 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,894 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,831 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,706 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 30,000 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,743 |
