| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 90,965 |
| Biggest Cities in the World | 0 | - | 4.89 | 685,438 |
| Biggest Cities in Asia | 0 | - | 4.94 | 95,696 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,354 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 41,597 |
| Biggest City by Time Zone | 0 | - | 4.84 | 54,229 |
| Biggest City in Every Country | 0 | - | 4.97 | 78,607 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 169,324 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 91,862 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 95,923 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 64,741 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 198,910 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 71,224 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 109,105 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 370,604 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 65,060 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,296 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 303,539 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 97,274 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 59,592 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,312 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.96 | 55,070 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 106,093 |
| Biggest Cities in the United States | 0 | - | 4.92 | 814,492 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 333,291 |
| Biggest Cities in Canada | 0 | - | 4.66 | 120,271 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 131,520 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 43,874 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.91 | 91,714 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 512,538 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,361 |
| 500 Biggest US Cities | 0 | - | 4.87 | 97,749 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,225 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 108,892 |
| Biggest Cities by Language | 0 | - | 4.95 | 213,684 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 64,733 |
| Most Populous World Capitals | 0 | - | 4.92 | 148,277 |
| Biggest European Cities by Century | 0 | - | 4.98 | 118,607 |
| Megacities on a World Map | 0 | - | 4.98 | 220,471 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,781 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 63,285 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 84,118 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 150,989 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,511 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 50,859 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,755 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 43,599 |
| Biggest Cities in Germany | 0 | - | 4.95 | 262,595 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 154,652 |
| Biggest Cities in Europe | 0 | - | 4.75 | 463,446 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,243 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.71 | 74,449 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.90 | 28,921 |
| Megacities on an Empty Map | 0 | - | 4.95 | 87,405 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,513 |
| Biggest Cities in Sweden | 0 | - | 4.83 | 37,195 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 75,820 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 63,680 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,793 |
| Cities of China (With Some Help) | 0 | - | 4.86 | 28,146 |
| Biggest English Cities by Century | 0 | - | 4.90 | 99,496 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 37,149 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.25 | 90,891 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,544 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 68,705 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 86,511 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 36,782 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.44 | 60,288 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,317 |
| Biggest Cities in Mexico | 0 | - | 4.55 | 29,174 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,500 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,030 |
| Biggest City by Region | 0 | - | 4.49 | 33,602 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,323 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 77,823 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,335 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 76,466 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 46,978 |
| Saint Lucia Country Quiz | 0 | - | 4.70 | 16,260 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,116 |
| Biggest European Cities by Letter | 0 | - | 4.65 | 118,542 |
| Biggest City by Island | 0 | - | 4.57 | 45,743 |
| Biggest Cities in History | 0 | - | 4.50 | 80,095 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 67,910 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 62,884 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 55,868 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,086 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 40,283 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,943 |
| Biggest World Cities in 1850 | 0 | - | 4.58 | 64,540 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 32,877 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 112,048 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 106,755 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 97,501 |
| Biggest Cities Starting With L | 0 | - | 4.45 | 110,330 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 128,624 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 114,542 |
| U.S. States that Border Canada | 0 | - | 4.90 | 165,676 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,201 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 42,452 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 35,932 |
| Biggest Cities in Japan | 0 | - | 4.66 | 75,239 |
| Biggest Cities in Russia | 0 | - | 4.49 | 76,331 |
| Biggest Cities in France | 0 | - | 4.76 | 199,083 |
| Biggest Cities in Spain | 0 | - | 4.50 | 153,259 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,084 |
| Biggest Cities in Poland | 0 | - | 4.56 | 48,000 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,103 |
| Biggest Cities in the UK | 0 | - | 4.46 | 93,288 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 64,302 |
| Biggest Cities in China | 0 | - | 4.64 | 138,183 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 38,540 |
| Cities of Ireland | 0 | - | 4.43 | 39,681 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,509 |
| Biggest Cities in India | 0 | - | 4.72 | 62,299 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 40,856 |
| Biggest Cities in Italy | 0 | - | 4.65 | 216,813 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,980 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,564 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,138 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 38,954 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,644 |
| Biggest Coastal City by Country | 0 | - | 4.59 | 27,015 |
| Biggest City by Region #2 | 0 | - | 4.45 | 23,095 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,222 |
| Northernmost Major City by Country | 0 | - | 4.56 | 30,836 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 28,691 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,679 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,746 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 31,905 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,309,283 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 348,914 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 99,014 |
| Five Biggest Cities by Country | 0 | - | 4.67 | 152,282 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,596 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 80,949 |
| Flags to Largest Cities | 0 | - | 4.54 | 31,840 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,417 |
| Largest Nordic Cities on a Map | 0 | - | 4.76 | 23,192 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 167,637 |
| Biggest Cities in Portugal | 0 | - | 4.41 | 18,770 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,802 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 193,603 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 147,838 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 96,903 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 78,687 |
| Biggest Cities Starting With S | 0 | - | 4.39 | 114,502 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 116,103 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 458,394 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,465 |
| Countries with Megacities | 0 | - | 4.99 | 196,617 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,036 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,653 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 94,948 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 63,610 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,266 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 64,937 |
| Biggest U.S. Cities A-Z | 0 | - | 4.63 | 122,024 |
| Countries Closest to Alaska | 0 | - | 4.93 | 98,841 |
| Countries Closest to Maine | 0 | - | 4.85 | 58,817 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 37,861 |
| Rivers of the United States | 0 | - | 4.91 | 56,786 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,856 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 65,960 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 244,704 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 108,834 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,836 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 68,717 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,395 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,235 |
| U.S. Cities by Hispanic Population | 0 | - | 4.26 | 24,534 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,156 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.36 | 83,212 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.38 | 69,648 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.28 | 77,969 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 83,593 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.15 | 65,961 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 61,727 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.22 | 59,962 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 67,402 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 27,881 |
| Biggest Cities in California | 0 | - | 4.35 | 130,294 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,296 |
| Biggest Cities in New York State | 0 | - | 4.29 | 55,771 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,631 |
| Biggest Cities in Ohio | 0 | - | 4.36 | 45,647 |
| Biggest Cities in Texas | 0 | - | 4.26 | 111,251 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,346 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 74,526 |
| US States and State Capitals Quiz | 0 | - | 5.00 | 119,053 |
| Which City in Canada? | 0 | - | 4.89 | 45,127 |
| Countries Closest to United States A-Z | 0 | - | 4.86 | 107,209 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.82 | 90,879 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 51,867 |
| U.S. State Flags | 0 | - | 4.88 | 135,992 |
| Hawaiian Islands | 0 | - | 4.85 | 38,463 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 57,793 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 76,408 |
| Fifty US States in One Minute | 0 | - | 4.55 | 3,237,378 |
| Category Elimination - U.S. States #1 | 0 | - | 4.90 | 194,510 |
