| Biggest Cities in Canada | 0 | - | 4.66 | 120,442 |
| Biggest Cities in the World | 0 | - | 4.89 | 686,981 |
| Biggest Cities in Asia | 0 | - | 4.94 | 95,868 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,448 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 91,085 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 41,722 |
| Biggest Cities in Germany | 0 | - | 4.95 | 263,082 |
| Biggest Cities in Sweden | 0 | - | 4.82 | 37,242 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 76,187 |
| Biggest City by Time Zone | 0 | - | 4.84 | 54,406 |
| Biggest City in Every Country | 0 | - | 4.97 | 78,829 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 169,797 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 92,088 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 96,242 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 64,925 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 199,218 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 71,454 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 109,285 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 371,269 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 65,251 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,370 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 304,122 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 97,501 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 59,708 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,371 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 55,236 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 106,405 |
| Biggest Cities in the United States | 0 | - | 4.93 | 819,946 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 333,975 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,554 |
| Cities of China (With Some Help) | 0 | - | 4.86 | 28,210 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,026 |
| Biggest Cities by Language | 0 | - | 4.95 | 213,937 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 64,868 |
| Most Populous World Capitals | 0 | - | 4.92 | 148,505 |
| Biggest European Cities by Century | 0 | - | 4.98 | 118,820 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 131,679 |
| Megacities on a World Map | 0 | - | 4.98 | 220,722 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.83 | 43,951 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.91 | 91,917 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 513,574 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,861 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 63,449 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,481 |
| 500 Biggest US Cities | 0 | - | 4.87 | 98,136 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,375 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 84,374 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 151,234 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 50,933 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 43,808 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 154,902 |
| Biggest Cities in Europe | 0 | - | 4.75 | 464,495 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,555 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,783 |
| Megacities on an Empty Map | 0 | - | 4.95 | 87,564 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.67 | 56,309 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.71 | 74,530 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 29,061 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,395 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 63,749 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,865 |
| Biggest Cities in Mexico | 0 | - | 4.55 | 29,249 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 32,948 |
| Biggest English Cities by Century | 0 | - | 4.90 | 99,582 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,304 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 37,225 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.25 | 91,311 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,608 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 68,789 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 86,581 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 36,866 |
| Biggest Cities in Japan | 0 | - | 4.66 | 75,598 |
| Biggest Cities in Russia | 0 | - | 4.49 | 76,406 |
| Biggest Cities in France | 0 | - | 4.76 | 199,599 |
| Biggest Cities in Spain | 0 | - | 4.50 | 153,554 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,178 |
| Biggest Cities in Poland | 0 | - | 4.57 | 48,091 |
| Biggest Cities in the UK | 0 | - | 4.46 | 93,464 |
| Biggest Cities in China | 0 | - | 4.64 | 138,636 |
| Cities of Ireland | 0 | - | 4.43 | 39,734 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,574 |
| Biggest Cities in India | 0 | - | 4.72 | 62,398 |
| Biggest Cities in Italy | 0 | - | 4.65 | 217,185 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.44 | 60,380 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,542 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,072 |
| Biggest City by Region | 0 | - | 4.49 | 33,648 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,379 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,363 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 76,626 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,027 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,122 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 64,537 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 38,637 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 40,980 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 118,974 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 62,933 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 77,968 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 59,536 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 40,332 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,980 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,765 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,210 |
| Biggest City by Island | 0 | - | 4.57 | 45,771 |
| Biggest Cities in History | 0 | - | 4.50 | 80,229 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 67,968 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.49 | 40,131 |
| Biggest World Cities in 1850 | 0 | - | 4.58 | 64,589 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 167,776 |
| Biggest Cities in Portugal | 0 | - | 4.41 | 18,795 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 112,219 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 106,876 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 97,664 |
| Biggest Cities Starting With L | 0 | - | 4.45 | 110,501 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 128,836 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 114,713 |
| U.S. States that Border Canada | 0 | - | 4.90 | 165,827 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,241 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 36,060 |
| Cities on Interstate 90 on a Map | 0 | - | 4.40 | 26,472 |
| Biggest U.S. Cities A-Z | 0 | - | 4.63 | 122,129 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,172 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,769 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 99,129 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,191 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 38,984 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,669 |
| Biggest Coastal City by Country | 0 | - | 4.59 | 27,032 |
| Five Biggest Cities by Country | 0 | - | 4.67 | 152,476 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,113 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,246 |
| Northernmost Major City by Country | 0 | - | 4.56 | 30,870 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 42,470 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 28,714 |
| Flags to Largest Cities | 0 | - | 4.54 | 31,959 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,716 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 31,953 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 193,935 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,311,150 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 349,575 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,790 |
| Countries with Megacities | 0 | - | 4.99 | 197,067 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,416 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,864 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 95,269 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 63,835 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,770 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,619 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 81,184 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,445 |
| Largest Nordic Cities on a Map | 0 | - | 4.76 | 23,275 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.21 | 17,061 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,815 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 148,045 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 96,998 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 78,788 |
| Biggest Cities Starting With S | 0 | - | 4.39 | 114,672 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 116,255 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 459,003 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,005 |
| Countries Closest to Alaska | 0 | - | 4.93 | 98,968 |
| Countries Closest to Maine | 0 | - | 4.85 | 58,920 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 37,985 |
| Rivers of the United States | 0 | - | 4.91 | 56,954 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,974 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,099 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 244,999 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,007 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,936 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 69,563 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,505 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,262 |
| U.S. Cities by Hispanic Population | 0 | - | 4.26 | 24,551 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,177 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 14,695 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.38 | 86,261 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.38 | 72,504 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.31 | 80,804 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.11 | 86,219 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.17 | 67,681 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.25 | 63,325 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 60,240 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 67,639 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 28,814 |
| Biggest Cities in California | 0 | - | 4.35 | 130,423 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,357 |
| Biggest Cities in New York State | 0 | - | 4.29 | 55,835 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,673 |
| Biggest Cities in Ohio | 0 | - | 4.36 | 45,697 |
| Biggest Cities in Texas | 0 | - | 4.26 | 111,364 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,377 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 74,680 |
| Which City in Canada? | 0 | - | 4.89 | 45,187 |
| Countries Closest to United States A-Z | 0 | - | 4.84 | 107,354 |
| Cartoon Versions of U.S. States | 0 | - | 4.84 | 51,954 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.82 | 90,961 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 51,939 |
| U.S. State Flags | 0 | - | 4.88 | 136,374 |
| Hawaiian Islands | 0 | - | 4.85 | 38,491 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 57,825 |
