| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,353 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,339 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.90 | 81,755 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,843 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,003 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,277 |
| Biggest Cities in the World | 0 | - | 4.91 | 799,183 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,881 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,046 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,113 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,026 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,798 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,780 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,252 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,991 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,620 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,178 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,403 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,003 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,867 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,432 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,554 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,846 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,971 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,810 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,397 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,081 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,565 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,675 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,463 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,395 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,588 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,461 |
| Largest City by Island | 0 | - | 4.87 | 71,898 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,023 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,000 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,556 |
| Megacities on a World Map | 0 | - | 4.98 | 254,674 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,476 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 88,812 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,369 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,971 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,984 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,842 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,407 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,741 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,430 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,289 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,510 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,161 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,166 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,758 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,453 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,571 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,758 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,921 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,546 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,079 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,102 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,214 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,804 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,569 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,335 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,583 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,507 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,307 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,276 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,323 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,675 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,706 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,597 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,095 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,997 |
| Biggest City by Region | 0 | - | 4.50 | 36,231 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,149 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,194 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,355 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,277 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,421 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,897 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,614 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,672 |
| Biggest Cities in History | 0 | - | 4.52 | 90,175 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,586 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,475 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,522 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,991 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,422 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,473 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,924 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,383 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,676 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,455 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,025 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,429 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,148 |
| US States Quiz | 0 | - | 5.00 | 16,881,191 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,180 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,216 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,480 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,057 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,066 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,825 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,555 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,110 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,841 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,562 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,635 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,028 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,101 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,329 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,123 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,438 |
| Biggest Cities in France | 0 | - | 4.70 | 224,047 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,193 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,009 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,921 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,277 |
| Biggest Cities in China | 0 | - | 4.53 | 158,669 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,893 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,226 |
| Biggest Cities in India | 0 | - | 4.64 | 67,767 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,139 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,127 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,211 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,260 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,846 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,151 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,344 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,887 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,826 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,115 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,679 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,156 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,773 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,970 |
| States of Mexico | 0 | - | 4.96 | 176,192 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,224 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,092 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,430 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,542 |
| Countries with Megacities | 0 | - | 4.99 | 263,600 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,378 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,289 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,656 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,329 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,779 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,594 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,628 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,953 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,409 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,600 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,189 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,104 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,166 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,933 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,098 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,797 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,342 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,141 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,621 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,293 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,716 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,794 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,396 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,376 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,573 |
| Pixelated United States Map | 0 | - | 4.87 | 94,291 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,903 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,461 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,474 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,049 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,330 |
| U.S. States By Population | 0 | - | 4.92 | 153,571 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,481 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,455 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,333 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,225 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,644 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,142 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,839 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,197 |
| Cities of Ireland | 0 | - | 4.51 | 50,669 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,997 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,221 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,084 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,690,168 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,066 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,840 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,185 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,146 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,467 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,502 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,787 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,182 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,496 |
| US States with an Empty Map | 0 | - | 5.00 | 624,804 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,089 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,637 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,254 |
