| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 376,470 |
| Megacities on a World Map | 0 | - | 4.98 | 223,026 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 520,414 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,302 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 85,988 |
| Biggest Cities in the World | 0 | - | 4.90 | 698,337 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,435 |
| Biggest City by Time Zone | 0 | - | 4.85 | 55,567 |
| Biggest City in Every Country | 0 | - | 4.98 | 80,806 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 173,088 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 93,644 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 98,890 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 66,316 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 72,885 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,511 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,838 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,544 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,829 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,286 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 108,704 |
| Biggest Cities in the United States | 0 | - | 4.93 | 844,918 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 337,565 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,864 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,826 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,233 |
| Most Populous World Capitals | 0 | - | 4.94 | 160,335 |
| Biggest European Cities by Century | 0 | - | 4.98 | 119,987 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,597 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 152,708 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,456 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 156,092 |
| Biggest Cities in Asia | 0 | - | 4.94 | 97,399 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 44,190 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 42,691 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 32,134 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,279 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,403 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 202,338 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 122,057 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 308,217 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 99,431 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,157 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,282 |
| Biggest City by Region | 0 | - | 4.50 | 33,953 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,825 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 143,453 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,530 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 104,464 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,593 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,618 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 70,556 |
| 500 Biggest US Cities | 0 | - | 4.88 | 100,231 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,311 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.77 | 19,495 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,138 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,136 |
| Biggest Cities in Europe | 0 | - | 4.75 | 471,767 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,377 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 93,277 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 45,042 |
| Biggest Cities in Germany | 0 | - | 4.95 | 266,722 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,920 |
| Biggest City by Island | 0 | - | 4.57 | 46,012 |
| Biggest Cities in History | 0 | - | 4.50 | 81,521 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,393 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,446 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 30,021 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 64,971 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 113,626 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 108,030 |
| Biggest Cities Starting With H | 0 | - | 4.57 | 98,904 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 111,776 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 130,425 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 115,897 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 65,322 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,538 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,156 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,109 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,311 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,381 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,124 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,683 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 78,454 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 95,187 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,546 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,243 |
| Countries with Megacities | 0 | - | 4.99 | 200,703 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 174,461 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,363 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 97,542 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,361 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,664 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,469 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 69,400 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 87,134 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,641 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,414 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,324,063 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 352,406 |
| Biggest English Cities by Century | 0 | - | 4.90 | 100,282 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 82,579 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 30,084 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,927 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 149,870 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 97,833 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 79,740 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 115,990 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 117,429 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 100,327 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 60,899 |
| Five Biggest Cities by Country | 0 | - | 4.66 | 154,232 |
| Flags to Largest Cities | 0 | - | 4.54 | 32,715 |
| Biggest World Cities A-Z | 0 | - | 4.57 | 205,066 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,798 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,090 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 247,368 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,140 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,045 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,794 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 51,122 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 120,014 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,228 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 62,689 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,718 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,287 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,294 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.45 | 37,250 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.76 | 39,122 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 33,460 |
| Countries of Europe by Population | 0 | - | 4.98 | 130,248 |
| Most Populous Countries by Year | 0 | - | 4.81 | 95,163 |
| Most Populous Country by First Two Letters | 0 | - | 4.71 | 67,474 |
| Demographics Multiple Choice | 0 | - | 4.64 | 40,088 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,184 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,936 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 83,361 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 94,649 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 72,385 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 86,664 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,468 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 78,673 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,924 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.50 | 41,320 |
| Biggest Cities Near a Border | 0 | - | 4.20 | 29,040 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 36,879 |
| Biggest Cities in Japan | 0 | - | 4.65 | 76,264 |
| Biggest Cities in Russia | 0 | - | 4.49 | 77,411 |
| Biggest Cities in France | 0 | - | 4.76 | 202,091 |
| Biggest Cities in Spain | 0 | - | 4.55 | 155,613 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,928 |
| Biggest Cities in Poland | 0 | - | 4.57 | 48,811 |
| Biggest Cities in the UK | 0 | - | 4.46 | 94,702 |
| Biggest Cities in China | 0 | - | 4.57 | 140,814 |
| Cities of Ireland | 0 | - | 4.43 | 40,168 |
| Biggest Cities in Canada | 0 | - | 4.66 | 121,888 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,968 |
| Biggest Cities in India | 0 | - | 4.71 | 63,037 |
| Biggest Cities in Italy | 0 | - | 4.66 | 220,140 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.40 | 88,983 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 74,991 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.32 | 83,268 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.08 | 89,071 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 70,849 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.22 | 66,403 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 60,934 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 68,259 |
| Biggest U.S. Cities A-Z | 0 | - | 4.72 | 132,482 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 207,062 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 110,529 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,177 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,751 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 54,089 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 67,438 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 87,852 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 95,087 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 145,289 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 147,610 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 119,315 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 37,310 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 70,298 |
| Geography by Letter on the World Map - A | 0 | - | 4.82 | 93,620 |
| Geography by Letter on the World Map - C | 0 | - | 4.81 | 104,290 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 61,670 |
| Top African Languages on a Map | 0 | - | 4.92 | 55,178 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,721 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.70 | 75,045 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,612 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,983 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 34,729 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.75 | 66,090 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 39,279 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 41,546 |
| Most Populous Islands | 0 | - | 4.71 | 113,643 |
| Islands by Largest City #1 | 0 | - | 4.48 | 82,492 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 208,582 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 163,463 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 159,817 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 82,079 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,872 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,453 |
