| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 118,889 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,114 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,725 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,485 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,264 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,576 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,897 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,212 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,385 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,448 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,076 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,749 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,535 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,377 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,484 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,557 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,969 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,852 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,772 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,544 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,077 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,367 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,782 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,950 |
| Biggest Cities in the United States | 0 | - | 4.94 | 987,522 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,156 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,486 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,979 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,018 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,839 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,524 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,514 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,152 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,825 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,280 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,560 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,001 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,648 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,754 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,238 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,434 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,484 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,539 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,234 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,545 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,192 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,471 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,591 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,327 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,793 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,646 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,716 |
| Biggest Cities in Europe | 0 | - | 4.73 | 549,301 |
| Largest City by Island | 0 | - | 4.87 | 72,482 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,443 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,728 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,173 |
| Megacities on a World Map | 0 | - | 4.98 | 257,076 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,314 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,788 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,722 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,176 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,010 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,544 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,524 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,419 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,475 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,621 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,470 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,139 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,035 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,722 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,022 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,254 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,412 |
| Hawaiian Islands | 0 | - | 4.83 | 42,960 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,026 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,326 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,992 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,785 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,505 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,363 |
| US States and State Capitals | 0 | - | 4.99 | 165,496 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,038 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,054 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,720 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,999 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,556 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,165 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,452 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 18,151 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,471 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,265 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,624 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,624 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,257 |
| Countries with Megacities | 0 | - | 4.99 | 267,318 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,938 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,189 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,256 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,304 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,914 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,600 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,346 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,135 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,661 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,486 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,167 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,589 |
| Biggest City by Region | 0 | - | 4.50 | 36,398 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,345 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,087 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,314 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,447 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,573 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,631 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,404 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,580 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,751 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,533 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,774 |
| Biggest Cities in France | 0 | - | 4.70 | 225,386 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,236 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,293 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,303 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,739 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,865 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,205 |
| Biggest Cities in China | 0 | - | 4.53 | 159,956 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,468 |
| Biggest Cities in India | 0 | - | 4.64 | 68,073 |
| Biggest Cities in Italy | 0 | - | 4.77 | 242,479 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.95 | 42,302 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,180 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,626 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,197 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 61,013 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,372 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,144 |
| Rivers of the United States | 0 | - | 4.93 | 66,706 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,360 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,290 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,707 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,929 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,255 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,650 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,904 |
| Biggest Cities in History | 0 | - | 4.52 | 90,622 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,072 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,616 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,927 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 65,043 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,712 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,684 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,489 |
| Biggest Cities in California | 0 | - | 4.35 | 140,424 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,423 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,924 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,545 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,423 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,852 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,983 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,742 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,293 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,164 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,188 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,988 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,608 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,123 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,773 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,874 |
| Which City in Canada? | 0 | - | 4.83 | 57,370 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,781 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,747 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,476 |
| U.S. State Flags | 0 | - | 4.89 | 173,078 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,762 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,523 |
| State Quiz - Florida | 0 | - | 4.47 | 62,644 |
| State Quiz - Texas | 0 | - | 4.43 | 63,221 |
| State Quiz - New York | 0 | - | 4.52 | 46,449 |
| State Quiz - California | 0 | - | 4.69 | 64,833 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,954 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,240 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,463 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,930 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,405 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,719 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,785 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,918 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,211 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,185 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,702 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,140 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,922 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,926 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,760 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 30,086 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,786 |
| Cities of Ireland | 0 | - | 4.51 | 50,926 |
