| Biggest Cities in the World | 0 | - | 4.91 | 799,804 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,140 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,808 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,490 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,555 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,335 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,979 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,649 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,103 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,971 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,180 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,696 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,760 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,707 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,157 |
| Biggest Cities in the United States | 0 | - | 4.94 | 979,582 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,433 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,840 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,729 |
| Largest City by Island | 0 | - | 4.87 | 71,970 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,070 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,067 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,639 |
| Megacities on a World Map | 0 | - | 4.98 | 254,937 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,770 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,432 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,056 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,904 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,524 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,388 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,171 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,151 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,184 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,534 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,096 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,947 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,573 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,559 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,946 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,522 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,652 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,355 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,019 |
| Biggest City by Region | 0 | - | 4.50 | 36,251 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,168 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,207 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,366 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,322 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,434 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,287 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,290 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,428 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,418 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,575 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,417 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,925 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,232 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,366 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,769 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,891 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 162,096 |
| Biggest Cities in History | 0 | - | 4.52 | 90,227 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,750 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,243 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,302 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,443 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,850 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,500 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,729 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,443 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,709 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,494 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,066 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,495 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,193 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,069 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,079 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,834 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,562 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,666 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,681 |
| Countries with Megacities | 0 | - | 4.99 | 264,010 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,520 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,357 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,794 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,415 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,244 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,148 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,237 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,940 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,595 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,860 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,640 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,529 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,328 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,488 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,599 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,972 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,937 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,855 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,373 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,166 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,679 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,347 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,960 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,805 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,000 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,007 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,476 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,626 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,146 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,828 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,777 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,399 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,705 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,454 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,149 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,210 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,188 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,935 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,042 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,881 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,273 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,712 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,489 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,999 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 89,740 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,011 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,865 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,426 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,951 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,101 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,750 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,657 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,563 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,000 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,242 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,412 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,939 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,835 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,133 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,871 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,579 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,130 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,477 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,138 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,216 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,371 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,161 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,462 |
| Biggest Cities in France | 0 | - | 4.70 | 224,179 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,290 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,036 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,958 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,332 |
| Biggest Cities in China | 0 | - | 4.53 | 158,814 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,946 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,250 |
| Biggest Cities in India | 0 | - | 4.64 | 67,793 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,263 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,191 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,422 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,563 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,616 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,743 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,527 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,499 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,715 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,300 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,097 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,398 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,253 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,823 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,288 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,593 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,324 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,061 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,228 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,570 |
| Boundary Waters | 0 | - | 4.92 | 88,511 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,206 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,180 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,569 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,525 |
| Most Populous Islands | 0 | - | 4.80 | 122,975 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,312 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,548 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,074 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,002 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,466 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,081 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,847 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,493 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,382 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,256 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,049 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,471 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,604 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,353 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,248 |
