| Biggest Cities in the World | 0 | - | 4.90 | 702,441 |
| Biggest Cities in Asia | 0 | - | 4.94 | 98,192 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 44,433 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 93,613 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 43,026 |
| Biggest City by Time Zone | 0 | - | 4.85 | 55,956 |
| Biggest City in Every Country | 0 | - | 4.98 | 81,386 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 174,189 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 94,221 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 99,589 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 66,793 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 203,227 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 73,362 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 122,672 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 378,165 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,907 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,992 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 309,729 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 100,207 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,845 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,978 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,710 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 109,472 |
| Biggest Cities in the United States | 0 | - | 4.93 | 848,750 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 338,559 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 110,186 |
| Biggest Cities by Language | 0 | - | 4.95 | 216,356 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 120,319 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,369 |
| Most Populous World Capitals | 0 | - | 4.94 | 162,217 |
| Biggest European Cities by Century | 0 | - | 4.98 | 120,358 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 144,464 |
| Megacities on a World Map | 0 | - | 4.98 | 223,678 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,743 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 105,073 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 522,784 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,882 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,686 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 70,882 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.87 | 101,086 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,766 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 91,852 |
| Biggest City in Each U.S. State | 0 | - | 4.86 | 153,332 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,600 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 45,465 |
| Biggest Cities in Germany | 0 | - | 4.95 | 267,875 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 156,699 |
| Biggest Cities in Europe | 0 | - | 4.75 | 488,882 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 62,063 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.47 | 45,830 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,768 |
| Biggest Cities in Canada | 0 | - | 4.66 | 122,361 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,858 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.70 | 75,209 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 30,406 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 34,932 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 39,561 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,822 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 79,253 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,471 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,575 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,676 |
| Biggest English Cities by Century | 0 | - | 4.90 | 100,522 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,902 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.24 | 95,161 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,981 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 69,616 |
| Biggest Mediterranean Cities | 0 | - | 4.58 | 87,261 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,600 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 29,184 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,878 |
| Biggest U.S. Cities A-Z | 0 | - | 4.71 | 132,752 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 100,617 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 61,092 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,281 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 43,376 |
| Biggest City by Region | 0 | - | 4.50 | 34,056 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 54,019 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,666 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,983 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,420 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 49,180 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,331 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.96 | 78,903 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 63,151 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,840 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,394 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.45 | 37,493 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 33,648 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,581 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 137,465 |
| Biggest City by Island | 0 | - | 4.57 | 46,109 |
| Biggest Cities in History | 0 | - | 4.50 | 81,851 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,538 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,617 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 65,133 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 114,050 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 108,362 |
| Biggest Cities Starting With H | 0 | - | 4.57 | 99,289 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 112,237 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 130,907 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 116,313 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,573 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 37,150 |
| Biggest Cities in Japan | 0 | - | 4.66 | 76,664 |
| Biggest Cities in Russia | 0 | - | 4.49 | 77,606 |
| Biggest Cities in France | 0 | - | 4.71 | 202,930 |
| Biggest Cities in Spain | 0 | - | 4.55 | 156,233 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 51,167 |
| Biggest Cities in Poland | 0 | - | 4.57 | 49,054 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,405 |
| Biggest Cities in the UK | 0 | - | 4.46 | 95,136 |
| Biggest Cities in China | 0 | - | 4.55 | 141,628 |
| Cities of Ireland | 0 | - | 4.43 | 41,257 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 44,116 |
| Biggest Cities in India | 0 | - | 4.71 | 63,270 |
| Biggest Cities in Italy | 0 | - | 4.66 | 221,329 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 30,622 |
| Category Elimination - U.S. States #1 | 0 | - | 4.90 | 197,666 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,651 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,548 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,661 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,241 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,918 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,146 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 154,745 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,379 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,442 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,219 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,668 |
| Flags to Largest Cities | 0 | - | 4.55 | 32,983 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.48 | 21,190 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.75 | 66,625 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 41,755 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 22,989 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 32,514 |
| Biggest World Cities A-Z | 0 | - | 4.57 | 205,941 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,328,689 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 353,339 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,010 |
| Countries with Megacities | 0 | - | 4.99 | 201,814 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,340 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,953 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,227 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,860 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 252,986 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,794 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 83,082 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,656 |
| Largest Nordic Cities on a Map | 0 | - | 4.81 | 30,279 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 169,009 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,124 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,970 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 150,393 |
| Biggest Cities Starting With C | 0 | - | 4.08 | 98,073 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 79,990 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 116,373 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 117,837 |
| Word Scramble - U.S. States | 0 | - | 4.96 | 464,495 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.79 | 19,658 |
| Largest World Cities With Four Letters | 0 | - | 4.38 | 43,584 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,618 |
| Flags of the Countries that Start with C | 0 | - | 4.90 | 120,125 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 141,583 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 108,557 |
| Countries Closest to Alaska | 0 | - | 4.92 | 100,356 |
| Countries Closest to Maine | 0 | - | 4.86 | 59,894 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 39,288 |
| Rivers of the United States | 0 | - | 4.92 | 58,110 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 118,093 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,424 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 248,329 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,561 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,260 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 72,235 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 51,336 |
| U.S. Cities by Hispanic Population | 0 | - | 4.27 | 24,753 |
| Biggest Axis-Controlled Cities | 0 | - | 4.40 | 45,335 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,358 |
| The Most Populous U.S. City by Category | 0 | - | 4.31 | 20,934 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.40 | 89,455 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 75,409 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.30 | 83,822 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.08 | 89,461 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 71,193 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.22 | 66,794 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 61,111 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 68,433 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 30,409 |
| Biggest Cities in California | 0 | - | 4.35 | 132,004 |
| Biggest Cities in Florida | 0 | - | 4.20 | 68,175 |
| Biggest Cities in New York State | 0 | - | 4.29 | 56,496 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 43,167 |
| Biggest Cities in Ohio | 0 | - | 4.37 | 46,271 |
| Biggest Cities in Texas | 0 | - | 4.26 | 112,471 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,708 |
| Random State Capital to U.S. State | 0 | - | 4.86 | 76,348 |
| Which City in Canada? | 0 | - | 4.90 | 45,942 |
| Arms Exports - United States | 0 | - | 4.65 | 48,944 |
| Countries Closest to United States A-Z | 0 | - | 4.84 | 108,602 |
