| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,163 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,133 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,847 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,534 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,351 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,000 |
| Biggest Cities in the World | 0 | - | 4.91 | 806,452 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,123 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,279 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,465 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,567 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,970 |
| Biggest Cities in the United States | 0 | - | 4.94 | 988,356 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,299 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,044 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,105 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,900 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,672 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,586 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,354 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,891 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,963 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,340 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,836 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,049 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,685 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,634 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,799 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,273 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,495 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,577 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,510 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,715 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,778 |
| Largest City by Island | 0 | - | 4.87 | 72,518 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,467 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,784 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,208 |
| Megacities on a World Map | 0 | - | 4.98 | 257,268 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,448 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,401 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,811 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,782 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,188 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,023 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,551 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,650 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,779 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,070 |
| Biggest Cities in Europe | 0 | - | 4.73 | 549,532 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,573 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,698 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,530 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,310 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,488 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,813 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 65,012 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,346 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,005 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,573 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,656 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,491 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,229 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,070 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,574 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,812 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,518 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,472 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,060 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,734 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,409 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,166 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,673 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,173 |
| Biggest City by Region | 0 | - | 4.50 | 36,408 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,357 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,195 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,319 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,455 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,589 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,590 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,437 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,965 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,511 |
| Biggest Cities in History | 0 | - | 4.52 | 90,658 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,139 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,600 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,940 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,094 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,629 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,723 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,232 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,202 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,206 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 110,021 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,636 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,163 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,812 |
| US States Quiz | 0 | - | 5.00 | 17,010,974 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,087 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,128 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,169 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,192 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,146 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,929 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,411 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,093 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,763 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,942 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,669 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,426 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 177,048 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,564 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,800 |
| Biggest Cities in France | 0 | - | 4.72 | 225,505 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,298 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,313 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,322 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,924 |
| Biggest Cities in China | 0 | - | 4.53 | 160,088 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,599 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,490 |
| Biggest Cities in India | 0 | - | 4.64 | 68,099 |
| Biggest Cities in Italy | 0 | - | 4.78 | 242,604 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,795 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,500 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,576 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,930 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,474 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,612 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,163 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,275 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,737 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,490 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,798 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,728 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,544 |
| States of Mexico | 0 | - | 4.96 | 178,503 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,904 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,291 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,793 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,380 |
| Countries with Megacities | 0 | - | 4.99 | 267,570 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,032 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,264 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,367 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,366 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,180 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,715 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,421 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,114 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,879 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,775 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,269 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,659 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,597 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 40,996 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,279 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,875 |
| Biggest Cities Starting With C | 0 | - | 4.12 | 105,845 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,534 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,419 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,887 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,652 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,521 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,646 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,578 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,841 |
| Pixelated United States Map | 0 | - | 4.89 | 94,876 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,137 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,366 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,397 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,444 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,476 |
| U.S. States By Population | 0 | - | 4.92 | 154,208 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,316 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,939 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,568 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,163 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,671 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,929 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,432 |
| Cities of Ireland | 0 | - | 4.51 | 50,940 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,207 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,489 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,275 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,804 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,120 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,537 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,782 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,359 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,322 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,791 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,539 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,421 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,073 |
| US States with an Empty Map | 0 | - | 5.00 | 629,209 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,300 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,394 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,507 |
