| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,728 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,025 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,275 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,090 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,803 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,837 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,683,078 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,903 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,586 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,836 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,718 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,275 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,007 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,798 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,127 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,599 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,154 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,736 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,645 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,381 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,577 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,045 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,354 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,059 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,148 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,241 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,140 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,398 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 100,380 |
| All 50k+ Cities in Europe with a Map | 0 | - | 4.95 | 34,224 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,023 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,792 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,392 |
| Biggest Cities in the United States | 0 | - | 4.93 | 971,949 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,847 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,425 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,161 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,415 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,303 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,465 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,765 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,029 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,951 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,862 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,114 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,432 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,506 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,039 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,085 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,295 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,216 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,441 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,582 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,488 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,044 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,056 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,205 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,324 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,091 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,511 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,438 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,699 |
| Largest City by Island | 0 | - | 4.87 | 71,410 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,594 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,964 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,962 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,217 |
| Megacities on a World Map | 0 | - | 4.98 | 252,345 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,032 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,375 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,628 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 77,137 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,308 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.96 | 121,231 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,458 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,105 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,719 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,049 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,832 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,334 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,752 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,422 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,395 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,060 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,394 |
| US States Quiz | 0 | - | 5.00 | 16,779,837 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,699 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,282 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,260 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,161 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,313 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,281 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,538 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,862 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,770 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,683 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,997 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,054 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,978 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,837 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,985 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,854 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,278 |
| Countries with Megacities | 0 | - | 4.99 | 248,956 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,136 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,550 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,487 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,503 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,901 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,785 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,460 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,410 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,823 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,944 |
| US States with an Empty Map | 0 | - | 5.00 | 621,398 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,336 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,517 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,210 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,992 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,414 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,844 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,398 |
| Biggest City by Region | 0 | - | 4.50 | 36,071 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,003 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,668 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,908 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,105 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,287 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,077 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,671 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,586 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,928 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,322 |
| Biggest Cities Ever Under Danish Rule | 0 | - | 4.49 | 16,161 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,048 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,766 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,186 |
| Biggest Cities in France | 0 | - | 4.70 | 223,094 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,456 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,798 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,650 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,502 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,726 |
| Biggest Cities in China | 0 | - | 4.52 | 157,758 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,070 |
| Biggest Cities in India | 0 | - | 4.70 | 67,515 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,254 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,097 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,091 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,796 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,751 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,986 |
| Rivers of the United States | 0 | - | 4.93 | 65,833 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,781 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,222 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,084 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,522 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,694 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,273 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,902 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,330 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,084 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,087 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,628 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,810 |
| Biggest Cities in History | 0 | - | 4.52 | 89,402 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,217 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,282 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,264 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,314 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,199 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,910 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,121 |
| Biggest Cities in California | 0 | - | 4.35 | 139,526 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,936 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,510 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,284 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,175 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,657 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,089 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,119 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,857 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,253 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,937 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,260 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,807 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,311 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,984 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,611 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,872 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,669 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,298 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,790 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,336 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,859 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,360 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,726 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,905 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,609 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,942 |
