| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,224 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,260 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,787 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,247 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,479 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,613 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,664 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,778 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,556 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,526 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,743 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,674 |
| Biggest Cities in the United States | 0 | - | 4.94 | 980,859 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,721 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,257 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,998 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,822 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,704 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,755 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,108 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,750 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,235 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,145 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,263 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,805 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,875 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,053 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,352 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,040 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,942 |
| Largest City by Island | 0 | - | 4.87 | 72,053 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,148 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,184 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,747 |
| Megacities on a World Map | 0 | - | 4.98 | 255,285 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,310 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,492 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,169 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,180 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,681 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,662 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 41,265 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,642 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,755 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,515 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,330 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,205 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,691 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,165 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,409 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,417 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,545 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 68,996 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,626 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,774 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,068 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,672 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,111 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,960 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,876 |
| Countries with Megacities | 0 | - | 4.99 | 264,522 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,733 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,462 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,986 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,535 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,528 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,530 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,710 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,985 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,026 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,433 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,475 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,725 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,563 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,044 |
| Biggest City by Region | 0 | - | 4.50 | 36,278 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,191 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,288 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,504 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,224 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,376 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,354 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,955 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,455 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,958 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,633 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,047 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,923 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,173 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,136 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,550 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,727 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,217 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 164,630 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,149 |
| Biggest Cities in History | 0 | - | 4.52 | 90,286 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,065 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,479 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,532 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,474 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,214 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,512 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,075 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,009 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,505 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,209 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,047 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,299 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,131 |
| Biggest Cities in India | 0 | - | 4.64 | 67,836 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,506 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,767 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,556 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,156 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,576 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,263 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,400 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,856 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,697 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,715 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,136 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,322 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,479 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,978 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,215 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,491 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,297 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,902 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,332 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,638 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,401 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,178 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,340 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,906 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,299 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,081 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,461 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,092 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,844 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,572 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,570 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,356 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,712 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,853 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,206 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,408 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,202 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,307 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,205 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,635 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,326 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,570 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,508 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,132 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,518 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,885 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,814 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,797 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,687 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,468 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,997 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,508 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,237 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,043 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,945 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,354 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,945 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,414 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,195 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,748 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,420 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,905 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,719 |
| Most Populous Islands | 0 | - | 4.80 | 123,037 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,324 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,563 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,871 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,310 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,574 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,764 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,511 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,095 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,624 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,025 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,429 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,049 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,888 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,054 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,444 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,663 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,010 |
| Boundary Waters | 0 | - | 4.92 | 88,568 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,247 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,261 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,702 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,597 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,835 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,955 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,350 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,870 |
