| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 376,123 |
| Megacities on a World Map | 0 | - | 4.98 | 222,913 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 519,992 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,242 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 85,848 |
| Biggest Cities in the World | 0 | - | 4.90 | 697,460 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,382 |
| Biggest City by Time Zone | 0 | - | 4.84 | 55,471 |
| Biggest City in Every Country | 0 | - | 4.98 | 80,677 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 172,821 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 93,525 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 98,701 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 66,211 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 72,790 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,411 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,813 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,484 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,792 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,210 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 108,531 |
| Biggest Cities in the United States | 0 | - | 4.93 | 844,043 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 337,351 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,797 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,705 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,207 |
| Most Populous World Capitals | 0 | - | 4.93 | 156,670 |
| Biggest European Cities by Century | 0 | - | 4.98 | 119,914 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,541 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 152,605 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,395 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 156,006 |
| Biggest Cities in Asia | 0 | - | 4.94 | 97,288 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 44,142 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 42,627 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 32,096 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,238 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,365 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 202,184 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 121,936 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 307,964 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 99,312 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,137 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,265 |
| Biggest City by Region | 0 | - | 4.50 | 33,941 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,804 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 143,150 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,497 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 104,283 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,573 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,553 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 70,475 |
| 500 Biggest US Cities | 0 | - | 4.88 | 100,070 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,289 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.77 | 19,459 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,021 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,023 |
| Biggest Cities in Europe | 0 | - | 4.75 | 471,232 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,349 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 93,211 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 44,947 |
| Biggest Cities in Germany | 0 | - | 4.95 | 266,487 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,881 |
| Biggest City by Island | 0 | - | 4.57 | 46,001 |
| Biggest Cities in History | 0 | - | 4.50 | 81,444 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,356 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,423 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 29,959 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 64,944 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 113,470 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 107,697 |
| Biggest Cities Starting With H | 0 | - | 4.57 | 98,746 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 111,637 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 130,270 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 115,780 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 65,251 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,519 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,143 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,100 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,301 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,372 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,107 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,658 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 78,321 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 94,981 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,524 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,064 |
| Countries with Megacities | 0 | - | 4.99 | 200,444 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,947 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,261 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 97,405 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,256 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,367 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,451 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 69,341 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 87,112 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,627 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,370 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,323,037 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 352,217 |
| Biggest English Cities by Century | 0 | - | 4.90 | 100,231 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 82,472 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.95 | 29,985 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,922 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 149,692 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 97,717 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 79,499 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 115,872 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 117,304 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 100,260 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 60,853 |
| Five Biggest Cities by Country | 0 | - | 4.66 | 154,143 |
| Flags to Largest Cities | 0 | - | 4.54 | 32,661 |
| Biggest World Cities A-Z | 0 | - | 4.57 | 204,905 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,726 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,015 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 247,232 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,067 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 103,992 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,705 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 51,086 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 119,949 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,203 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 62,584 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,689 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,265 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,287 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.45 | 37,182 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.76 | 39,099 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 33,432 |
| Countries of Europe by Population | 0 | - | 4.98 | 130,003 |
| Most Populous Countries by Year | 0 | - | 4.81 | 95,045 |
| Most Populous Country by First Two Letters | 0 | - | 4.71 | 67,457 |
| Demographics Multiple Choice | 0 | - | 4.64 | 40,061 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,151 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,796 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 83,014 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 94,513 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 72,152 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 86,577 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,448 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 78,625 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,888 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.50 | 41,223 |
| Biggest Cities Near a Border | 0 | - | 4.20 | 29,010 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 36,805 |
| Biggest Cities in Japan | 0 | - | 4.65 | 76,214 |
| Biggest Cities in Russia | 0 | - | 4.49 | 77,377 |
| Biggest Cities in France | 0 | - | 4.76 | 201,914 |
| Biggest Cities in Spain | 0 | - | 4.55 | 155,462 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,875 |
| Biggest Cities in Poland | 0 | - | 4.57 | 48,755 |
| Biggest Cities in the UK | 0 | - | 4.46 | 94,627 |
| Biggest Cities in China | 0 | - | 4.57 | 140,670 |
| Cities of Ireland | 0 | - | 4.43 | 40,129 |
| Biggest Cities in Canada | 0 | - | 4.66 | 121,817 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,937 |
| Biggest Cities in India | 0 | - | 4.71 | 62,994 |
| Biggest Cities in Italy | 0 | - | 4.66 | 219,974 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.40 | 88,893 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 74,906 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.32 | 83,168 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.08 | 88,967 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 70,781 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.22 | 66,316 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 60,895 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 68,236 |
| Biggest U.S. Cities A-Z | 0 | - | 4.72 | 132,430 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 206,908 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 110,448 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,134 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,699 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 54,052 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 67,397 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 87,774 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 94,932 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 145,193 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 147,484 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 118,350 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 37,243 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 70,173 |
| Geography by Letter on the World Map - A | 0 | - | 4.82 | 93,477 |
| Geography by Letter on the World Map - C | 0 | - | 4.81 | 104,147 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 61,608 |
| Top African Languages on a Map | 0 | - | 4.92 | 55,011 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 56,684 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.70 | 75,019 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,605 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,943 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 34,699 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.75 | 65,989 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 39,232 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 41,494 |
| Most Populous Islands | 0 | - | 4.71 | 113,587 |
| Islands by Largest City #1 | 0 | - | 4.48 | 82,484 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 208,370 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 163,329 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 159,665 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 81,997 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,855 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,383 |
