| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 111,806 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 340,606 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 123,550 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 221,803 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,141 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,349 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 157,842 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 116,823 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,406 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,192 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.89 | 114,902 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,831 |
| Biggest Cities in the World | 0 | - | 4.91 | 786,966 |
| Biggest Cities in Asia | 0 | - | 4.95 | 114,480 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,376 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,527 |
| Largest Nordic Cities on a Map | 0 | - | 4.82 | 36,627 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,031 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,178 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,011 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,600 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 220,731 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,336 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 128,644 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,036 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 83,161 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 412,404 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,321 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.41 | 51,110 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,108 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,691 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 68,860 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,442 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,323 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 127,832 |
| Biggest Cities in the United States | 0 | - | 4.93 | 961,702 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 362,856 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.90 | 125,589 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,354 |
| Largest City by Island | 0 | - | 4.87 | 70,753 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,069 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,164 |
| Biggest European Cities by Century | 0 | - | 4.98 | 128,551 |
| Megacities on a World Map | 0 | - | 4.98 | 249,220 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,118 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 571,010 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,577 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,481 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,813 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,779 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,257 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 111,919 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 166,639 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.86 | 55,514 |
| Biggest Cities in Germany | 0 | - | 4.95 | 290,398 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,473 |
| Biggest Cities in Europe | 0 | - | 4.70 | 540,291 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,119 |
| Megacities on an Empty Map | 0 | - | 4.96 | 101,927 |
| Biggest Cities in Canada | 0 | - | 4.53 | 131,441 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,826 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 93,678 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,839 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 96,404 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 46,892 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,359 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 72,920 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 83,921 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,603 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,522 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,085 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,743 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,193 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,434 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.77 | 72,981 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 90,922 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,217 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,465 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 30,902 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,365 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,649 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,460 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,282 |
| Biggest City by Region | 0 | - | 4.50 | 35,919 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 56,810 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,957 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,168 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,793 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,191 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,602 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,019 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,245 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,853 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,807 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,805 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,287 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,410 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,884 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,417 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,846 |
| Biggest Cities in North Carolina | 0 | - | 4.67 | 34,787 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,229 |
| Rivers of the United States | 0 | - | 4.93 | 65,114 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 150,997 |
| Biggest Cities in History | 0 | - | 4.52 | 88,879 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 71,976 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,095 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 63,796 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,071 |
| Biggest Cities in the Blue Banana | 0 | - | 4.55 | 35,844 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 123,107 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,392 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,038 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,567 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 141,785 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 125,654 |
| Hawaiian Islands | 0 | - | 4.83 | 42,289 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,577 |
| Biggest Cities in Japan | 0 | - | 4.67 | 82,312 |
| Biggest Cities in Russia | 0 | - | 4.49 | 81,869 |
| Biggest Cities in France | 0 | - | 4.69 | 221,258 |
| Biggest Cities in Spain | 0 | - | 4.63 | 169,339 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,478 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,300 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,514 |
| Biggest Cities in the UK | 0 | - | 4.48 | 103,842 |
| Biggest Cities in China | 0 | - | 4.52 | 156,343 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,866 |
| Biggest Cities in India | 0 | - | 4.70 | 67,175 |
| Biggest Cities in Italy | 0 | - | 4.75 | 238,811 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 157,017 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,182 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,555 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 321,515 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,105 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,767 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,396 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,939 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 165,319 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,617 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,441 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,026 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,670 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,544 |
| The Most Populous U.S. City by Category | 0 | - | 4.35 | 22,203 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,100 |
| Cities of Ireland | 0 | - | 4.51 | 50,192 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,053 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,008 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,149 |
| Biggest Cities in California | 0 | - | 4.35 | 138,985 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,644 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,265 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,126 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,004 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,501 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,456 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,001 |
| Biggest World Cities A-Z | 0 | - | 4.61 | 220,822 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 102,790 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,430,214 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 376,272 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,434 |
| Countries with Megacities | 0 | - | 4.99 | 245,012 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,313 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,486 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 134,831 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 79,376 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,811 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,675 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,698 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,306 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,720 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,809 |
| Biggest Cities Starting With B | 0 | - | 4.33 | 161,297 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,322 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,404 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,449 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,130 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,658,341 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 499,618 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,282 |
| Largest World Cities With Four Letters | 0 | - | 4.35 | 50,254 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.79 | 68,421 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,829 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,517 |
| Cities in European Economic Areas on a Map | 0 | - | 4.63 | 16,479 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,574 |
| Countries Closest to Alaska | 0 | - | 4.93 | 122,844 |
| Countries Closest to Maine | 0 | - | 4.83 | 66,140 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 126,813 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,439 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,124 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,534 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,258 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,205 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,009 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,574 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,221 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 106,246 |
