| Biggest Cities in the World | 0 | - | 4.91 | 796,461 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,437 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,863 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,057 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,849 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,716 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,341 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,178 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,424 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,650 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,751 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,205 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,344 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,815 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,412 |
| Biggest Cities in the United States | 0 | - | 4.93 | 975,287 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,491 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,003 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,952 |
| Largest City by Island | 0 | - | 4.87 | 71,649 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,770 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,640 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,225 |
| Megacities on a World Map | 0 | - | 4.98 | 253,273 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,906 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,194 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,662 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,165 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,047 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,800 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,607 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,882 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,695 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,077 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,789 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,786 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,385 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,845 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,481 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,917 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,384 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,041 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,916 |
| Biggest City by Region | 0 | - | 4.50 | 36,117 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,049 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,147 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,320 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,160 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,357 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,636 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,863 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,006 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,039 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,104 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,215 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,550 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,451 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,023 |
| Biggest Cities in Europe | 0 | - | 4.72 | 545,274 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,759 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,036 |
| Biggest Cities in History | 0 | - | 4.52 | 89,993 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 75,543 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,946 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,613 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,349 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,498 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,382 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,938 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,103 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,442 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,187 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,503 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,090 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,859 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 72,999 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,029 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,754 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,532 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,517 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,942 |
| Countries with Megacities | 0 | - | 4.99 | 257,982 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,815 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,940 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,098 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,952 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,591 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,936 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,135 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,304 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,461 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,956 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,629 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,379 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,236 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.68 | 63,670 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,490 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,866 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,910 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,481 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,154 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,970 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,343 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,033 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,705 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,534 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,357 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,656 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,249 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,345 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,908 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,632 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,664 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,155 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,329 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,235 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,863 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,984 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,686 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,165 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,983 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,791 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,211 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,538 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,444 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,954 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,801 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,906 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,770 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,334 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,824 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,091 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,353 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,491 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,187 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,678 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,958 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,137 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,814 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,771 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,006 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,733 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,469 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,838 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,434 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,007 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,181 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,910 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,298 |
| Biggest Cities in France | 0 | - | 4.70 | 223,570 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,817 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,892 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,783 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,059 |
| Biggest Cities in China | 0 | - | 4.52 | 158,199 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,657 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,160 |
| Biggest Cities in India | 0 | - | 4.63 | 67,648 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,716 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,985 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,200 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,413 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,473 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,629 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,441 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,385 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,599 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,102 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,707 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,079 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,059 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,386 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,150 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,425 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,063 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,763 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,879 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,344 |
| Boundary Waters | 0 | - | 4.92 | 88,368 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,066 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,889 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,140 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,317 |
| Most Populous Islands | 0 | - | 4.80 | 122,770 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,273 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,499 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,407 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,484 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,997 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,608 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,764 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,334 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,021 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,118 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,652 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,297 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,546 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,235 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,111 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,152 |
