| Biggest Cities in the World | 0 | - | 4.91 | 773,490 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 335,002 |
| Biggest Cities in Asia | 0 | - | 4.94 | 106,733 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 48,601 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 48,855 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 99,765 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 407,233 |
| Biggest Cities in the United States | 0 | - | 4.94 | 944,664 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 359,217 |
| Biggest City by Time Zone | 0 | - | 4.87 | 64,241 |
| Biggest City in Every Country | 0 | - | 4.98 | 94,796 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 196,207 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 105,984 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 115,952 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 76,054 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 217,623 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 81,572 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 132,389 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 75,960 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 46,618 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 111,183 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 67,487 |
| Ten Southernmost Megacities | 0 | - | 4.83 | 49,998 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 64,794 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 124,775 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 109,532 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 116,905 |
| Biggest Cities by Language | 0 | - | 4.95 | 227,737 |
| Largest City by Island | 0 | - | 4.90 | 69,462 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 69,137 |
| Most Populous World Capitals | 0 | - | 4.94 | 172,663 |
| Biggest European Cities by Century | 0 | - | 4.98 | 127,139 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 156,040 |
| Megacities on a World Map | 0 | - | 4.98 | 237,827 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 43,947 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 114,199 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 563,837 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 65,687 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 72,068 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 77,290 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.94 | 38,464 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.89 | 112,753 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 60,182 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 104,882 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 32,804 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 164,410 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 164,862 |
| Biggest Cities in Europe | 0 | - | 4.70 | 533,076 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.86 | 54,894 |
| Biggest Cities in France - Extreme | 0 | - | 4.86 | 54,201 |
| Megacities on an Empty Map | 0 | - | 4.96 | 95,358 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 35,802 |
| Biggest Cities in Germany | 0 | - | 4.95 | 286,566 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 91,070 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,395 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 93,982 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 46,136 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 39,110 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 67,737 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 72,181 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,810 |
| Biggest English Cities by Century | 0 | - | 4.90 | 104,791 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,142 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 47,808 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.41 | 50,627 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.78 | 72,440 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 90,254 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 40,568 |
| Biggest Cities in Canada | 0 | - | 4.56 | 130,252 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 63,912 |
| Second Biggest Cities by Country | 0 | - | 4.42 | 57,599 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,181 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,698 |
| Biggest City by Region | 0 | - | 4.50 | 35,565 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,444 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,695 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,953 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,406 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,297 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 82,213 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,936 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 52,067 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 38,280 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 142,454 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 125,012 |
| Biggest Cities in History | 0 | - | 4.52 | 87,988 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 71,565 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 64,990 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,128 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,594 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 82,730 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 42,729 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,202 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,200 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 39,794 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,239 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 67,653 |
| Biggest Cities in the Blue Banana | 0 | - | 4.55 | 35,118 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 36,886 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 121,870 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 114,259 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 106,828 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 120,110 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 140,294 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 124,151 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.28 | 111,622 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 62,834 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 42,405 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 62,924 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 31,516 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 174,514 |
| Biggest Cities in Japan | 0 | - | 4.68 | 81,629 |
| Biggest Cities in Russia | 0 | - | 4.49 | 81,264 |
| Biggest Cities in France | 0 | - | 4.72 | 218,608 |
| Biggest Cities in Spain | 0 | - | 4.63 | 167,259 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 54,937 |
| Biggest Cities in Poland | 0 | - | 4.61 | 52,686 |
| Biggest Cities in the UK | 0 | - | 4.47 | 102,628 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 30,612 |
| Biggest Cities in China | 0 | - | 4.52 | 154,087 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,465 |
| Biggest Cities in India | 0 | - | 4.70 | 66,575 |
| Biggest Cities in Italy | 0 | - | 4.74 | 236,406 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 162,624 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 120,985 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 72,518 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,816 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,394 |
| Biggest Cities by Latitude | 0 | - | 4.78 | 27,296 |
| Biggest Cities by Trait #2 | 0 | - | 4.41 | 15,089 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,345 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 106,344 |
| Biggest Nordic Cities | 0 | - | 4.38 | 61,156 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 163,709 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,328 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,501 |
| Flags to Largest Cities | 0 | - | 4.54 | 37,296 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,007 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.96 | 28,964 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 44,311 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,692 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,876 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 107,750 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 92,190 |
| Biggest World Cities A-Z | 0 | - | 4.61 | 218,585 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 99,546 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,412,367 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 371,520 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 167,169 |
| Countries with Megacities | 0 | - | 4.99 | 228,099 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 193,363 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 109,835 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 132,153 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 77,448 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 313,197 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,650 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,563 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,016 |
| Cities of Ireland | 0 | - | 4.50 | 49,609 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 20,484 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,445 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,688 |
| Biggest Cities in North Carolina | 0 | - | 4.67 | 34,481 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 159,830 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 103,307 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 85,313 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 124,094 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 125,932 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.78 | 22,812 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 125,660 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 84,286 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 262,317 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 119,075 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 110,014 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 90,904 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 57,048 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 45,020 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.74 | 68,001 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,651 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 492,284 |
| Jewish Cities Quiz | 0 | - | 4.33 | 61,272 |
| The Most Populous U.S. City by Category | 0 | - | 4.34 | 22,028 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 100,009 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 105,333 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 84,230 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 79,288 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 32,803 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 66,718 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 72,500 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 80,699 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 137,581 |
| Biggest Cities in California | 0 | - | 4.35 | 138,013 |
| Biggest Cities in Florida | 0 | - | 4.22 | 71,121 |
| Biggest Cities in New York State | 0 | - | 4.32 | 58,867 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 44,868 |
| Biggest Cities in Colorado | 0 | - | 4.04 | 31,728 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,226 |
| Biggest Cities in Texas | 0 | - | 4.27 | 117,793 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 24,851 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 86,125 |
