| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,316 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,424 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,778 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,499 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 106,519 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,067 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,123 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,387 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,214 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.27 | 73,128 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,335 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,791 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,175 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,932 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,692 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,740 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,047 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,919 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,154 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,535 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,559 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,633 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,080 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,201 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,775 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,719 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,574 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,793 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,562 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,894 |
| Largest City by Island | 0 | - | 4.87 | 71,073 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,414 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,589 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,986 |
| Megacities on a World Map | 0 | - | 4.98 | 251,089 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,465 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,822 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,902 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,846 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,199 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,192 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,956 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,079 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,083 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,434 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,581 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,557 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,316 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,687 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,077 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,397 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,551 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,135 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,552 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,646 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,843 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,570 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,778 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,438 |
| Countries with Megacities | 0 | - | 4.99 | 247,254 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,284 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,090 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,710 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,013 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,324 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,488 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,356 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,768 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,828 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,551 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,564 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,951 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,915 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,724 |
| Biggest City by Region | 0 | - | 4.50 | 36,005 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,910 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,667 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 124,332 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,024 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,228 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,933 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,860 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,263 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,383 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,144 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,879 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,022 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,939 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,520 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,656 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,330 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,422 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,300 |
| Biggest Cities in History | 0 | - | 4.52 | 89,155 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,127 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,198 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 68,205 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,545 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,040 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,670 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,475 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,395 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,865 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,972 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,102 |
| Biggest Cities in India | 0 | - | 4.70 | 67,356 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,535 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,994 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,632 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,937 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,225 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,020 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,195 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,303 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,174 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,403 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,007 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,457 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,643 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,336 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,291 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,537 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,348 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,327 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,666 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,606 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,857 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,264 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,173 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,176 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,668 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,098 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,868 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,623 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,978 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,672 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,468 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,130 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,038 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,233 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,952 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,746 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,981 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,099 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,037 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,064 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,898 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,025 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,843 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,452 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,173 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,964 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,336 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,489 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,708 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,229 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,759 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,816 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 30,985 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,822 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,847 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,418 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,814 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,615 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,652 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,802 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,481 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,640 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,403 |
| Most Populous Islands | 0 | - | 4.79 | 122,010 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,207 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,409 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,627 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,868 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,984 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,246 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.61 | 65,320 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,708 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 84,019 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,860 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,282 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,717 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,631 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,886 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,174 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,560 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,568 |
| Boundary Waters | 0 | - | 4.92 | 88,062 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,828 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,322 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,347 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,863 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 110,441 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,464 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,579 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,658 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,768 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,495 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,262 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,472 |
