| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 378,864 |
| Megacities on a World Map | 0 | - | 4.98 | 223,953 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 523,853 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,852 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 92,299 |
| Biggest Cities in the World | 0 | - | 4.90 | 704,046 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,926 |
| Biggest City by Time Zone | 0 | - | 4.85 | 56,134 |
| Biggest City in Every Country | 0 | - | 4.98 | 81,646 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 174,650 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 94,494 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 99,875 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 66,990 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 73,530 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 67,081 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 43,043 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,988 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 47,035 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,870 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 109,826 |
| Biggest Cities in the United States | 0 | - | 4.93 | 850,390 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 339,000 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 110,305 |
| Biggest Cities by Language | 0 | - | 4.95 | 216,634 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,413 |
| Most Populous World Capitals | 0 | - | 4.94 | 162,600 |
| Biggest European Cities by Century | 0 | - | 4.98 | 120,662 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,983 |
| Biggest City in Each U.S. State | 0 | - | 4.86 | 153,865 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,909 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 156,885 |
| Biggest Cities in Asia | 0 | - | 4.94 | 98,392 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 44,528 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 43,162 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 32,340 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,561 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 68,694 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 203,589 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 122,873 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 310,364 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 100,544 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,330 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 43,412 |
| Biggest City by Region | 0 | - | 4.50 | 34,086 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 54,099 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 144,911 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,821 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.91 | 105,324 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,698 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 78,127 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 71,016 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.87 | 101,362 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,470 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.79 | 19,722 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 140,019 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,724 |
| Biggest Cities in Europe | 0 | - | 4.75 | 490,560 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,713 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 93,775 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 45,686 |
| Biggest Cities in Germany | 0 | - | 4.95 | 268,443 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 137,591 |
| Biggest City by Island | 0 | - | 4.57 | 46,151 |
| Biggest Cities in History | 0 | - | 4.50 | 81,978 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,607 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,677 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 30,537 |
| Biggest World Cities in 1850 | 0 | - | 4.64 | 65,224 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 114,249 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 108,509 |
| Biggest Cities Starting With H | 0 | - | 4.57 | 99,453 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 112,457 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 131,157 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 116,521 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 65,702 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,706 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,280 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,161 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,411 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,460 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,247 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 39,663 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,893 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 79,653 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 96,458 |
| Largest Nordic Cities on a Map | 0 | - | 4.82 | 30,945 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,719 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,309 |
| Countries with Megacities | 0 | - | 4.99 | 202,207 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,672 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 100,119 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,471 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 66,065 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,523 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 69,689 |
| Biggest Mediterranean Cities | 0 | - | 4.58 | 87,329 |
| Cities in Squares on a Map - North America | 0 | - | 4.32 | 19,770 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,681 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.93 | 57,953 |
| Colour in the Flag Map by Guessing Cities #2 | 0 | - | 4.81 | 44,870 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,330,444 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 353,721 |
| Biggest English Cities by Century | 0 | - | 4.90 | 100,624 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 83,301 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 30,849 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,984 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 150,645 |
| Biggest Cities Starting With C | 0 | - | 4.08 | 98,200 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 80,110 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 116,767 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 118,053 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 100,789 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 61,161 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 154,971 |
| Flags to Largest Cities | 0 | - | 4.55 | 33,080 |
| Biggest World Cities A-Z | 0 | - | 4.58 | 206,331 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 118,239 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,581 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 248,612 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,716 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,345 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 72,416 |
| Countries by Population Range - Tile Select | 0 | - | 4.84 | 51,432 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 120,440 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,391 |
| Largest World Cities With Four Letters | 0 | - | 4.38 | 43,620 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 63,317 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,898 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,446 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,375 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.45 | 37,558 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.79 | 39,315 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 33,732 |
| Countries of Europe by Population | 0 | - | 4.98 | 131,762 |
| Most Populous Countries by Year | 0 | - | 4.81 | 95,975 |
| Most Populous Country by First Two Letters | 0 | - | 4.71 | 67,729 |
| Demographics Multiple Choice | 0 | - | 4.66 | 40,238 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,435 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 98,554 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 85,012 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 95,198 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 73,123 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 87,053 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,608 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.96 | 79,009 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 62,124 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.47 | 46,943 |
| Biggest Cities Near a Border | 0 | - | 4.20 | 29,270 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 37,282 |
| Biggest Cities in Japan | 0 | - | 4.66 | 76,763 |
| Biggest Cities in Russia | 0 | - | 4.49 | 77,709 |
| Biggest Cities in France | 0 | - | 4.72 | 203,552 |
| Biggest Cities in Spain | 0 | - | 4.55 | 156,542 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 51,278 |
| Biggest Cities in Poland | 0 | - | 4.57 | 49,157 |
| Biggest Cities in the UK | 0 | - | 4.46 | 95,333 |
| Biggest Cities in China | 0 | - | 4.55 | 142,051 |
| Cities of Ireland | 0 | - | 4.49 | 46,610 |
| Biggest Cities in Canada | 0 | - | 4.66 | 122,596 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 44,175 |
| Biggest Cities in India | 0 | - | 4.71 | 63,383 |
| Biggest Cities in Italy | 0 | - | 4.70 | 221,773 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.40 | 89,636 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 75,562 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.30 | 83,989 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.08 | 89,630 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 71,321 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.22 | 66,924 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 61,191 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 68,497 |
| Biggest U.S. Cities A-Z | 0 | - | 4.71 | 132,871 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 208,020 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 111,046 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,427 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 77,087 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 54,309 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 67,708 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 88,283 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 96,214 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 154,872 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 148,538 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 123,460 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.95 | 37,947 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 71,126 |
| Geography by Letter on the World Map - A | 0 | - | 4.83 | 94,544 |
| Geography by Letter on the World Map - C | 0 | - | 4.84 | 105,202 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 62,195 |
| Top African Languages on a Map | 0 | - | 4.93 | 56,310 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,918 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.70 | 75,291 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,686 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 49,257 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 35,043 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 67,086 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 41,888 |
| Most Populous Islands | 0 | - | 4.71 | 114,432 |
| Islands by Largest City #1 | 0 | - | 4.48 | 82,566 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 209,954 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 164,439 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 160,840 |
