| Every 100k+ City in the United States on a Map | 0 | - | 4.98 | 119,808 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,253 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 85,019 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,636 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,479 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,841 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,461 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,398 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,434 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,489 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,121 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,789 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,619 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,410 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,534 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,612 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,189 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,151 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,953 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,736 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,209 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,565 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,231 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,057 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,380 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,580 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,594 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,121 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,229 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,979 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,907 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,702 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,677 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,979 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,405 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,857 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,119 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,728 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,857 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,325 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,584 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,821 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,691 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,700,694 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,619 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,309 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,610 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,646 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,700 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,839 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,809 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,885 |
| Biggest Cities in Europe | 0 | - | 4.70 | 549,858 |
| Largest City by Island | 0 | - | 4.87 | 72,587 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,506 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,899 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,267 |
| Megacities on a World Map | 0 | - | 4.98 | 257,545 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,566 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,864 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,853 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,209 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,035 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,566 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,826 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,459 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,723 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,729 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,525 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,397 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,104 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,888 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,147 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,378 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,451 |
| Hawaiian Islands | 0 | - | 4.83 | 43,018 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,103 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,376 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,041 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,844 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,547 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,673 |
| US States and State Capitals | 0 | - | 4.99 | 166,052 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,192 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,215 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,785 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 65,035 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,597 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,238 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,507 |
| Saint Lucia Country Quiz | 0 | - | 4.67 | 18,167 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,528 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,295 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,342 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,049 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,557 |
| Countries with Megacities | 0 | - | 4.99 | 267,971 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,204 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,365 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,530 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,471 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,982 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,634 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 511,038 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,221 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,683 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,564 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,182 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,622 |
| Biggest City by Region | 0 | - | 4.50 | 36,422 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,381 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,111 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,332 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,463 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,627 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,727 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,467 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,607 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 177,106 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,619 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,849 |
| Biggest Cities in France | 0 | - | 4.72 | 225,669 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,392 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,362 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,360 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,757 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,991 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,250 |
| Biggest Cities in China | 0 | - | 4.53 | 160,238 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,519 |
| Biggest Cities in India | 0 | - | 4.64 | 68,132 |
| Biggest Cities in Italy | 0 | - | 4.78 | 242,774 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,448 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,313 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,710 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,242 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 61,042 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,403 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,291 |
| Rivers of the United States | 0 | - | 4.93 | 66,795 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,482 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,561 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,844 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,010 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,385 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,743 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 166,066 |
| Biggest Cities in History | 0 | - | 4.52 | 90,717 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,223 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,650 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,952 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 65,138 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,740 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,739 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,508 |
| Biggest Cities in California | 0 | - | 4.35 | 140,539 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,477 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,978 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,570 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,459 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,884 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 49,027 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,821 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,316 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,264 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,255 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 110,072 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,695 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,224 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,873 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 90,005 |
| Which City in Canada? | 0 | - | 4.83 | 57,417 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,855 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,839 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,546 |
| U.S. State Flags | 0 | - | 4.89 | 173,532 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,094 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,578 |
| State Quiz - Florida | 0 | - | 4.47 | 62,756 |
| State Quiz - Texas | 0 | - | 4.43 | 63,309 |
| State Quiz - New York | 0 | - | 4.52 | 46,550 |
| State Quiz - California | 0 | - | 4.69 | 64,949 |
| State Quiz - Arizona | 0 | - | 4.44 | 37,019 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,706 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,648 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,983 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,599 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,883 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,912 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,070 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,274 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,205 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,731 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,153 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,935 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,974 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,798 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,817 |
| Cities of Ireland | 0 | - | 4.51 | 50,966 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,277 |
