| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,209 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,405 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,280 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.88 | 80,716 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,783 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,818 |
| US States and State Capitals | 0 | - | 4.99 | 162,339 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,569 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,950 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,056 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,194 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,245 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,955 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,682 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,328 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,776 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,309 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,204 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,075 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,276 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,394 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 62,224 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,048 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,918 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,517 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,001 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,310 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,068 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,795 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,795 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,501 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,065 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,570 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,873 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,533 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,685 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,033 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,459 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,617 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,283 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,255 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,125 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,325 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,425 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,514 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,380 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,302 |
| Largest City by Island | 0 | - | 4.87 | 71,854 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,966 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,937 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,490 |
| Megacities on a World Map | 0 | - | 4.98 | 254,483 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.45 | 87,280 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,077 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,336 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,914 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,968 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,829 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,391 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,630 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,971 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,057 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,195 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,701 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,546 |
| Biggest Cities in California | 0 | - | 4.35 | 139,870 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,100 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,671 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,400 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,346 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,253 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,640 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,774 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,338 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,188 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,213 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,245 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,096 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,819 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,542 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,396 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,179 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,558 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,917 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,902 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,523 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,480 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,290 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,065 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,129 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,177 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,747 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,324 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,457 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 28,039 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,163 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,747 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 25,884 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 26,930 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 19,980 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,588 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,184 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,419 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,891 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,027 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,507 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,293 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,939 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,168 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,643 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,469 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,980 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,009 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,631 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,898 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,551 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,829 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 506,529 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,889 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,436 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,713 |
| Countries with Megacities | 0 | - | 4.99 | 263,270 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,778 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,882 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,269 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,388 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,229 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,569 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,531 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,268 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,072 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,560 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,085 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,976 |
| Biggest City by Region | 0 | - | 4.50 | 36,213 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,135 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,184 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,349 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,248 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,827 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,987 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,081 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,412 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,385 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,301 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,081 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,405 |
| Biggest Cities in France | 0 | - | 4.70 | 223,956 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,124 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,989 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,889 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,240 |
| Biggest Cities in China | 0 | - | 4.53 | 158,572 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,852 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,209 |
| Biggest Cities in India | 0 | - | 4.64 | 67,738 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,060 |
| Which City in Canada? | 0 | - | 4.83 | 57,069 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,156 |
| U.S. State Flags | 0 | - | 4.89 | 170,397 |
| Hawaiian Islands | 0 | - | 4.83 | 42,705 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,319 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,745 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,607 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,598 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,430 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,873 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,141 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,303 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,885 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,577 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,590 |
| Biggest Cities in History | 0 | - | 4.52 | 90,145 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,395 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,952 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,404 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,640 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,595 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,456 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,382 |
| Cities of Ireland | 0 | - | 4.51 | 50,652 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,186 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,900 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,342 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,635 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,408 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,985 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,382 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,103 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,977 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,267 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,189 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,737 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,247 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,534 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,237 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,948 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,113 |
| Major U.S. Rivers with State Names | 0 | - | 4.49 | 39,560 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,954 |
