| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,240 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,271 |
| Biggest Cities in the World | 0 | - | 4.91 | 801,052 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,262 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,495 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,619 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,678 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,787 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,566 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,530 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,756 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,794 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,252 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,808 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,295 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,040 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,910 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,760 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 135,239 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,151 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,772 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,275 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,181 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,290 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,842 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,920 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,145 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,373 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,075 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,999 |
| Largest City by Island | 0 | - | 4.87 | 72,077 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,170 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,217 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,786 |
| Megacities on a World Map | 0 | - | 4.98 | 255,377 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,486 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,521 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,197 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,246 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,723 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,815 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,283 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,662 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,793 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,565 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,374 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,225 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,726 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,191 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,439 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,449 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,743 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,006 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,634 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,838 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,110 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,723 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,524 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,045 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,952 |
| Countries with Megacities | 0 | - | 4.99 | 264,677 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,785 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,498 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,052 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,573 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,564 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,568 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,752 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,125 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,061 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,484 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,498 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,756 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,567 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,052 |
| Biggest City by Region | 0 | - | 4.50 | 36,287 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,197 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,306 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,573 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,227 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,382 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,362 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,984 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,457 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,045 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,643 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,081 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,957 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,237 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,179 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,583 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,756 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,237 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 164,889 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,267 |
| Biggest Cities in History | 0 | - | 4.52 | 90,308 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,169 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,491 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,543 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,493 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,235 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,534 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,088 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,023 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,562 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,239 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,082 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,305 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,190 |
| Biggest Cities in India | 0 | - | 4.64 | 67,856 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,527 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,781 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,575 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,184 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,612 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,295 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,490 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,886 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,708 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,751 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,168 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,344 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,505 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,991 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,250 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,519 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,308 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,929 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,344 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,647 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,420 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,212 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,373 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,910 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,304 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,087 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,480 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,096 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,852 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,573 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,585 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,364 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,731 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,942 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,220 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,414 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,206 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,358 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,255 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,675 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,361 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,584 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,540 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,169 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,528 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 107,907 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,823 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,831 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,760 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,475 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,001 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,528 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,251 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,052 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,947 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,409 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,968 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,432 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,213 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,779 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,445 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,921 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,730 |
| Most Populous Islands | 0 | - | 4.80 | 123,056 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,327 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,572 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,878 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,322 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,597 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,783 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,513 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,146 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,645 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,028 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,613 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,059 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,894 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,057 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,448 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,668 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,019 |
| Boundary Waters | 0 | - | 4.92 | 88,584 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,263 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,289 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,758 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,627 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,854 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,980 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,461 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,872 |
