| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 371,011 |
| Megacities on a World Map | 0 | - | 4.98 | 220,627 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 513,163 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 63,387 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 84,251 |
| Biggest Cities in the World | 0 | - | 4.89 | 686,394 |
| Megacities on an Empty Map | 0 | - | 4.95 | 87,517 |
| Biggest City by Time Zone | 0 | - | 4.84 | 54,322 |
| Biggest City in Every Country | 0 | - | 4.97 | 78,738 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 169,593 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 92,004 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 96,124 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 64,855 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 71,378 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 65,169 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,332 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 59,656 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,351 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.96 | 55,154 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 106,313 |
| Biggest Cities in the United States | 0 | - | 4.92 | 815,461 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 333,706 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 108,985 |
| Biggest Cities by Language | 0 | - | 4.95 | 213,851 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 64,833 |
| Most Populous World Capitals | 0 | - | 4.92 | 148,413 |
| Biggest European Cities by Century | 0 | - | 4.98 | 118,764 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,831 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 151,142 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,323 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 154,838 |
| Biggest Cities in Asia | 0 | - | 4.94 | 95,806 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,401 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 41,667 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 63,725 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,843 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 199,104 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 109,213 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 303,890 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 97,403 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,526 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,059 |
| Biggest City by Region | 0 | - | 4.49 | 33,631 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,357 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 131,620 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 43,914 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.91 | 91,826 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,358 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 76,573 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,428 |
| 500 Biggest US Cities | 0 | - | 4.87 | 97,994 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,012 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 31,610 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.77 | 19,024 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,097 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,694 |
| Biggest Cities in Europe | 0 | - | 4.76 | 464,174 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 50,905 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 91,029 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 43,706 |
| Biggest Cities in Germany | 0 | - | 4.95 | 262,865 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,174 |
| Biggest City by Island | 0 | - | 4.57 | 45,763 |
| Biggest Cities in History | 0 | - | 4.50 | 80,190 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 67,947 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,115 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.90 | 29,010 |
| Biggest World Cities in 1850 | 0 | - | 4.58 | 64,568 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 112,150 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 106,830 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 97,595 |
| Biggest Cities Starting With L | 0 | - | 4.45 | 110,427 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 128,744 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 114,651 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 64,334 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,175 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 38,975 |
| Biggest Coastal City by Country | 0 | - | 4.59 | 27,025 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,106 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,235 |
| Northernmost Major City by Country | 0 | - | 4.56 | 30,861 |
| Biggest Cities in Sweden | 0 | - | 4.83 | 37,227 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 76,017 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 92,548 |
| Cities of China (With Some Help) | 0 | - | 4.86 | 28,189 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,680 |
| Countries with Megacities | 0 | - | 4.99 | 196,912 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,273 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,791 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 95,166 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 63,750 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,579 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,226 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 68,751 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 86,551 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,360 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 36,834 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,310,433 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 349,445 |
| Biggest English Cities by Century | 0 | - | 4.90 | 99,554 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 81,106 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.95 | 28,062 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,811 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 147,957 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 96,961 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 78,745 |
| Biggest Cities Starting With S | 0 | - | 4.39 | 114,612 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 116,196 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 99,094 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.44 | 60,343 |
| Five Biggest Cities by Country | 0 | - | 4.67 | 152,403 |
| Flags to Largest Cities | 0 | - | 4.54 | 31,913 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 193,816 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,935 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,041 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 244,882 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 108,940 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,904 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 69,347 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,463 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 118,935 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 62,914 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 58,226 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 40,310 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,967 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,171 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 32,915 |
| Countries of Europe by Population | 0 | - | 4.98 | 126,479 |
| Most Populous Country by First Two Letters | 0 | - | 4.75 | 66,899 |
| Demographics Multiple Choice | 0 | - | 4.66 | 39,757 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,594 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 96,456 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 75,181 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 93,368 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 69,652 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 85,874 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,253 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 77,924 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,537 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,775 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 28,418 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 36,009 |
| Biggest Cities in Japan | 0 | - | 4.66 | 75,391 |
| Biggest Cities in Russia | 0 | - | 4.49 | 76,377 |
| Biggest Cities in France | 0 | - | 4.76 | 199,296 |
| Biggest Cities in Spain | 0 | - | 4.50 | 153,449 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,150 |
| Biggest Cities in Poland | 0 | - | 4.56 | 48,053 |
| Biggest Cities in the UK | 0 | - | 4.46 | 93,402 |
| Biggest Cities in China | 0 | - | 4.64 | 138,408 |
| Cities of Ireland | 0 | - | 4.43 | 39,714 |
| Biggest Cities in Canada | 0 | - | 4.66 | 120,368 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,549 |
| Biggest Cities in India | 0 | - | 4.72 | 62,358 |
| Biggest Cities in Italy | 0 | - | 4.65 | 217,031 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.37 | 84,994 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 71,300 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.29 | 79,598 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 83,758 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.15 | 66,054 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 61,826 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.22 | 60,065 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 67,472 |
| Biggest U.S. Cities A-Z | 0 | - | 4.63 | 122,073 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 205,135 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 109,515 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 68,572 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,092 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,635 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,903 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 86,891 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 79,799 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 143,687 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 144,523 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 115,680 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 36,173 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 68,574 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 91,530 |
| Geography by Letter on the World Map - C | 0 | - | 4.84 | 102,388 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 60,613 |
| Top African Languages on a Map | 0 | - | 4.91 | 52,875 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.67 | 56,288 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.71 | 74,505 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 42,463 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,351 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 64,436 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 38,585 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 40,931 |
| Most Populous Islands | 0 | - | 4.71 | 112,674 |
| Islands by Largest City #1 | 0 | - | 4.48 | 82,045 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 205,057 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 160,772 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 157,243 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.91 | 80,786 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,518 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.90 | 84,699 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 145,793 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 49,434 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.97 | 5,660 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,658 |
