| Biggest Cities in the World | 0 | - | 4.91 | 801,770 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,411 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,237 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,161 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,879 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 145,279 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,280 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,874 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,456 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,250 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,360 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,892 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,994 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,370 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,053 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,856 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,946 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,141 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,100 |
| Largest City by Island | 0 | - | 4.87 | 72,123 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,216 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,287 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,834 |
| Megacities on a World Map | 0 | - | 4.98 | 255,558 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,798 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,550 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,255 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,371 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,797 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,623 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,465 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,246 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,038 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,804 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,236 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,058 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,685 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,947 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,178 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,813 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,791 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,580 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,060 |
| Biggest City by Region | 0 | - | 4.50 | 36,298 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,211 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,240 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,388 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,376 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,475 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,493 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,508 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,615 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,613 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,803 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,344 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,103 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,563 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,561 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,488 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,133 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 165,128 |
| Biggest Cities in History | 0 | - | 4.52 | 90,337 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,355 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,332 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,665 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,501 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,040 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,559 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,173 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,659 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,586 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,826 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,625 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,230 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,666 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,347 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,098 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,101 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,861 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,577 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,744 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,075 |
| Countries with Megacities | 0 | - | 4.99 | 264,984 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,896 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,577 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,158 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,648 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,655 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,296 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,308 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,298 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,697 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,139 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,212 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,606 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,383 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,088 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,014 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,952 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,021 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,479 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,256 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,991 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,497 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,115 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,999 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,337 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,246 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,613 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,803 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,273 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 107,930 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,842 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,521 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,900 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,555 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,286 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,304 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,495 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,203 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,842 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,065 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,918 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,313 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,817 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,518 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,033 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,845 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,069 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,907 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,452 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,042 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,676 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,931 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,727 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,797 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,217 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,379 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,541 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,014 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,891 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,208 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,931 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,643 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,323 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,506 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,231 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,269 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,476 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,282 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,566 |
| Biggest Cities in France | 0 | - | 4.70 | 224,540 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,566 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,115 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,069 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,509 |
| Biggest Cities in China | 0 | - | 4.53 | 159,160 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,142 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,322 |
| Biggest Cities in India | 0 | - | 4.64 | 67,889 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,597 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,304 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,526 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,645 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,703 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,804 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,580 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,548 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,777 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,397 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,327 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,560 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,329 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,959 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,362 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,666 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,456 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,264 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,433 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,680 |
| Boundary Waters | 0 | - | 4.92 | 88,610 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,279 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,338 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,822 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,671 |
| Most Populous Islands | 0 | - | 4.80 | 123,090 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,330 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,581 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,459 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,317 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,768 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,408 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,890 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,611 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,580 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,334 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,202 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,556 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,635 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,419 |
