| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,149 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,119 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,813 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,527 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,335 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,986 |
| Biggest Cities in the World | 0 | - | 4.91 | 806,344 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,071 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,269 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,460 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,561 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,932 |
| Biggest Cities in the United States | 0 | - | 4.94 | 988,163 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,266 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,023 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,092 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,890 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,636 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,569 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,305 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,874 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,929 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,327 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,820 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,036 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,679 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,616 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,787 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,264 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,479 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,569 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,436 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,699 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,765 |
| Largest City by Island | 0 | - | 4.87 | 72,506 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,463 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,772 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,203 |
| Megacities on a World Map | 0 | - | 4.98 | 257,228 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,437 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,381 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,806 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,764 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,184 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,019 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,549 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,632 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,767 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,060 |
| Biggest Cities in Europe | 0 | - | 4.73 | 549,482 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,563 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,663 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,519 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,298 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,459 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,808 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 65,008 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,337 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,998 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,552 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,651 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,487 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,213 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,063 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,568 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,807 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,515 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,450 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,053 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,723 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,370 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,157 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,673 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,172 |
| Biggest City by Region | 0 | - | 4.50 | 36,406 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,354 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,187 |
| 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 | 83,584 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,585 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,431 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,951 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,505 |
| Biggest Cities in History | 0 | - | 4.52 | 90,650 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,123 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,598 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,935 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,093 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,624 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,720 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,226 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,194 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,204 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 110,015 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,632 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,155 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,804 |
| US States Quiz | 0 | - | 5.00 | 17,008,969 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,079 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,111 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,074 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,191 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,146 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,928 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,409 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,089 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,759 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,938 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,662 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,423 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 177,041 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,557 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,795 |
| Biggest Cities in France | 0 | - | 4.72 | 225,475 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,284 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,310 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,316 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,908 |
| Biggest Cities in China | 0 | - | 4.53 | 160,074 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,583 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,488 |
| Biggest Cities in India | 0 | - | 4.64 | 68,092 |
| Biggest Cities in Italy | 0 | - | 4.78 | 242,577 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,779 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,497 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,571 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,930 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,469 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,604 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,133 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,247 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,730 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,478 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,750 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,712 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,536 |
| States of Mexico | 0 | - | 4.96 | 178,471 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,852 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,140 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,750 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,355 |
| Countries with Megacities | 0 | - | 4.99 | 267,518 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,009 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,247 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,342 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,349 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,175 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,710 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,409 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,111 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,878 |
| 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 | 110,654 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,590 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 40,996 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,269 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,871 |
| Biggest Cities Starting With C | 0 | - | 4.12 | 105,842 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,530 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,410 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,881 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,639 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,512 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,643 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,558 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,840 |
| Pixelated United States Map | 0 | - | 4.89 | 94,861 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,131 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,353 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,374 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,426 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,456 |
| U.S. States By Population | 0 | - | 4.92 | 154,205 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,304 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,934 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,565 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,152 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,644 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,928 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,426 |
| Cities of Ireland | 0 | - | 4.51 | 50,938 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,205 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,485 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,275 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,670 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,104 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,517 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,772 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,352 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,307 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,772 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,527 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,418 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,068 |
| US States with an Empty Map | 0 | - | 5.00 | 629,113 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,280 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,384 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,492 |
