| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 375,291 |
| Megacities on a World Map | 0 | - | 4.98 | 222,389 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 518,997 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,105 |
| Biggest Cities in the World | 0 | - | 4.90 | 695,312 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,249 |
| Biggest City by Time Zone | 0 | - | 4.84 | 55,257 |
| Biggest City in Every Country | 0 | - | 4.98 | 80,178 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 172,190 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 93,229 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 98,274 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 65,977 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 72,568 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,184 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,747 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,328 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,718 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,042 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 108,190 |
| Biggest Cities in the United States | 0 | - | 4.93 | 842,120 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 336,914 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,640 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,134 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,145 |
| Most Populous World Capitals | 0 | - | 4.93 | 149,624 |
| Biggest European Cities by Century | 0 | - | 4.98 | 119,768 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,399 |
| Biggest City in Each U.S. State | 0 | - | 4.83 | 152,309 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,175 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 155,806 |
| Biggest Cities in Asia | 0 | - | 4.94 | 97,055 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 44,024 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 42,456 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 32,023 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,146 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,277 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 201,834 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 121,654 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 307,316 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 98,972 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,078 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,230 |
| Biggest City by Region | 0 | - | 4.50 | 33,900 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,738 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 141,881 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,356 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 103,568 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,529 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,391 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 70,274 |
| 500 Biggest US Cities | 0 | - | 4.88 | 99,675 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,238 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.77 | 19,388 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 138,639 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 110,703 |
| Biggest Cities in Europe | 0 | - | 4.76 | 470,008 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,266 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 93,023 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 44,750 |
| Biggest Cities in Germany | 0 | - | 4.95 | 265,924 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,747 |
| Biggest City by Island | 0 | - | 4.57 | 45,963 |
| Biggest Cities in History | 0 | - | 4.50 | 81,280 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,275 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,375 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 29,769 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 64,869 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 113,273 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 107,560 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 98,548 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 111,442 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 129,874 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 115,590 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 65,096 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,466 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,112 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,087 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,275 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,345 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,071 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,605 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 77,921 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 94,491 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,476 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,681 |
| Countries with Megacities | 0 | - | 4.99 | 199,915 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,479 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,031 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 97,060 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 65,011 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 250,692 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,417 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.78 | 69,243 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 87,062 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,593 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,254 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,320,756 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 351,520 |
| Biggest English Cities by Century | 0 | - | 4.90 | 100,103 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 82,213 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.95 | 29,733 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,899 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 149,438 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 97,611 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 79,350 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 115,688 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 117,102 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 100,109 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 60,768 |
| Five Biggest Cities by Country | 0 | - | 4.66 | 153,874 |
| Flags to Largest Cities | 0 | - | 4.54 | 32,539 |
| Biggest World Cities A-Z | 0 | - | 4.57 | 204,460 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,586 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,827 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 246,898 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,867 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 103,886 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,428 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,976 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 119,814 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,141 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 62,298 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,620 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,215 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,270 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 37,012 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.76 | 39,056 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 33,339 |
| Countries of Europe by Population | 0 | - | 4.98 | 129,361 |
| Most Populous Countries by Year | 0 | - | 4.81 | 94,804 |
| Most Populous Country by First Two Letters | 0 | - | 4.75 | 67,368 |
| Demographics Multiple Choice | 0 | - | 4.64 | 40,014 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,055 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,559 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 82,050 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 94,317 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 71,859 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 86,419 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,408 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 78,501 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,836 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.50 | 40,982 |
| Biggest Cities Near a Border | 0 | - | 4.20 | 28,907 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 36,682 |
| Biggest Cities in Japan | 0 | - | 4.65 | 76,109 |
| Biggest Cities in Russia | 0 | - | 4.49 | 77,279 |
| Biggest Cities in France | 0 | - | 4.76 | 201,422 |
| Biggest Cities in Spain | 0 | - | 4.55 | 155,149 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,773 |
| Biggest Cities in Poland | 0 | - | 4.57 | 48,618 |
| Biggest Cities in the UK | 0 | - | 4.46 | 94,411 |
| Biggest Cities in China | 0 | - | 4.55 | 140,316 |
| Cities of Ireland | 0 | - | 4.43 | 40,052 |
| Biggest Cities in Canada | 0 | - | 4.66 | 121,604 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,873 |
| Biggest Cities in India | 0 | - | 4.71 | 62,884 |
| Biggest Cities in Italy | 0 | - | 4.66 | 219,474 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.40 | 88,652 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 74,692 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.32 | 82,932 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.08 | 88,735 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.15 | 70,568 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.22 | 66,107 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 60,821 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 68,152 |
| Biggest U.S. Cities A-Z | 0 | - | 4.71 | 132,324 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 206,574 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 110,306 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,045 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,587 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,983 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 67,307 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 87,614 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 94,307 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 144,808 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 146,975 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 117,893 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 37,087 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 69,879 |
| Geography by Letter on the World Map - A | 0 | - | 4.82 | 93,182 |
| Geography by Letter on the World Map - C | 0 | - | 4.84 | 103,848 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 61,446 |
| Top African Languages on a Map | 0 | - | 4.92 | 54,645 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,625 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.70 | 74,916 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,580 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,855 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 34,586 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.75 | 65,711 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 39,099 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 41,410 |
| Most Populous Islands | 0 | - | 4.71 | 113,434 |
| Islands by Largest City #1 | 0 | - | 4.48 | 82,470 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 207,841 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 162,956 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 159,253 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 81,829 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,796 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,130 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 147,087 |
