| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 90,885 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 198,813 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 109,056 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 303,375 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 97,197 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.90 | 91,650 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 43,549 |
| Biggest Cities in the World | 0 | - | 4.89 | 684,911 |
| Biggest Cities in Asia | 0 | - | 4.94 | 95,642 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,329 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 41,570 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 369,999 |
| Biggest Cities in the United States | 0 | - | 4.92 | 813,944 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 332,982 |
| Biggest Cities in Canada | 0 | - | 4.66 | 120,223 |
| Biggest City by Time Zone | 0 | - | 4.84 | 54,171 |
| Biggest City in Every Country | 0 | - | 4.97 | 78,535 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 169,199 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 91,790 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 95,823 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 64,688 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 71,143 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 65,018 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,276 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 59,549 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,284 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.96 | 55,023 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 106,012 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 131,467 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 43,858 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 512,238 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,327 |
| 500 Biggest US Cities | 0 | - | 4.87 | 97,635 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,174 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 108,838 |
| Biggest Cities by Language | 0 | - | 4.95 | 213,622 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,718 |
| Most Populous World Capitals | 0 | - | 4.92 | 147,901 |
| Biggest European Cities by Century | 0 | - | 4.98 | 118,564 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,496 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 50,840 |
| Megacities on a World Map | 0 | - | 4.98 | 220,378 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,744 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,752 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 63,237 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 84,050 |
| Biggest Cities in Germany | 0 | - | 4.95 | 262,430 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 150,890 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 154,581 |
| Biggest Cities in Europe | 0 | - | 4.75 | 463,099 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.25 | 90,731 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.90 | 28,882 |
| Megacities on an Empty Map | 0 | - | 4.95 | 87,357 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,501 |
| Biggest Cities in Sweden | 0 | - | 4.83 | 37,183 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 75,709 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,223 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.71 | 74,427 |
| Cities of China (With Some Help) | 0 | - | 4.86 | 28,138 |
| Biggest English Cities by Century | 0 | - | 4.90 | 99,459 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 63,659 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,770 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 37,115 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,530 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 68,671 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 86,496 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 35,896 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 36,757 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,298 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 29,142 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.44 | 60,268 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,488 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,024 |
| Biggest City by Region | 0 | - | 4.49 | 33,585 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,302 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 77,772 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,328 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 76,400 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,672 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 46,965 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,247 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 37,823 |
| Rivers of the United States | 0 | - | 4.91 | 56,730 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,087 |
| Biggest European Cities by Letter | 0 | - | 4.65 | 118,517 |
| Biggest City by Island | 0 | - | 4.57 | 45,724 |
| Biggest Cities in History | 0 | - | 4.50 | 80,037 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 67,897 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 62,866 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 55,835 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,076 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 40,262 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,932 |
| Largest Nordic Cities on a Map | 0 | - | 4.76 | 23,162 |
| Biggest World Cities in 1850 | 0 | - | 4.58 | 64,517 |
| Biggest Cities in Japan | 0 | - | 4.66 | 75,224 |
| Biggest Cities in Russia | 0 | - | 4.49 | 76,311 |
| Biggest Cities in France | 0 | - | 4.76 | 198,963 |
| Biggest Cities in Spain | 0 | - | 4.50 | 153,176 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,048 |
| Biggest Cities in Poland | 0 | - | 4.56 | 47,980 |
| Biggest Cities in the UK | 0 | - | 4.46 | 93,232 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 32,851 |
| Biggest Cities in China | 0 | - | 4.64 | 138,105 |
| Cities of Ireland | 0 | - | 4.43 | 39,660 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,493 |
| Biggest Cities in India | 0 | - | 4.72 | 62,278 |
| Biggest Cities in Italy | 0 | - | 4.65 | 216,689 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 112,006 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 106,731 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 97,451 |
| Biggest Cities Starting With L | 0 | - | 4.45 | 110,277 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 128,579 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 114,492 |
| Hawaiian Islands | 0 | - | 4.85 | 38,455 |
| U.S. States that Border Canada | 0 | - | 4.90 | 165,621 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 42,449 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,083 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 64,235 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 38,508 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 40,833 |
| Random U.S. State Capitals on a Map | 0 | - | 4.94 | 81,857 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 118,867 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 98,972 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,118 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 38,944 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,634 |
| Biggest Coastal City by Country | 0 | - | 4.59 | 27,010 |
| Five Biggest Cities by Country | 0 | - | 4.67 | 152,211 |
| Biggest City by Region #2 | 0 | - | 4.45 | 23,086 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,214 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,192 |
| Northernmost Major City by Country | 0 | - | 4.56 | 30,819 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 28,682 |
| Flags to Largest Cities | 0 | - | 4.54 | 31,808 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,735 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 31,894 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 193,502 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,308,679 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 348,772 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,911 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,501 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 64,912 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,587 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 80,881 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,411 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 167,602 |
| Biggest Cities in Portugal | 0 | - | 4.41 | 18,761 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,801 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 147,782 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 96,887 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 78,659 |
| Biggest Cities Starting With S | 0 | - | 4.39 | 114,460 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 116,051 |
| US States by Borders in 30 Seconds | 0 | - | 4.76 | 2,381,662 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 458,172 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,339 |
| Countries with Megacities | 0 | - | 4.99 | 196,435 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 170,882 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,558 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 94,816 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 63,515 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,087 |
| Biggest U.S. Cities A-Z | 0 | - | 4.63 | 121,991 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 27,878 |
| Biggest Cities in California | 0 | - | 4.35 | 130,264 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,279 |
| Biggest Cities in New York State | 0 | - | 4.29 | 55,760 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,623 |
| Biggest Cities in Ohio | 0 | - | 4.36 | 45,635 |
| Biggest Cities in Texas | 0 | - | 4.26 | 111,222 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,338 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 74,461 |
| Which City in Canada? | 0 | - | 4.89 | 45,111 |
| Countries Closest to United States A-Z | 0 | - | 4.86 | 107,152 |
| Countries Closest to Alaska | 0 | - | 4.93 | 98,793 |
| Countries Closest to Maine | 0 | - | 4.86 | 58,791 |
| Cartoon Versions of U.S. States | 0 | - | 4.84 | 51,746 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.82 | 90,855 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.93 | 51,835 |
| U.S. State Flags | 0 | - | 4.88 | 135,844 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 57,785 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,807 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 65,905 |
| Countries of Europe by Population | 0 | - | 4.98 | 125,953 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 244,604 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 108,772 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,802 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 67,997 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,520 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 96,284 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 75,027 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 93,178 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 67,971 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,364 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,224 |
| U.S. Cities by Hispanic Population | 0 | - | 4.26 | 24,528 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 28,334 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,151 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,326 |
