| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,427 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,415 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,392 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,918 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,224 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,362 |
| Biggest Cities in the World | 0 | - | 4.91 | 799,772 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,172 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,163 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,148 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,094 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,132 |
| Biggest Cities in the United States | 0 | - | 4.94 | 979,520 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,425 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,132 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,801 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,481 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,554 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,318 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,967 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,554 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,645 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,943 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,097 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,968 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,515 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,180 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,691 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,755 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,695 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,754 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,836 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,722 |
| Largest City by Island | 0 | - | 4.87 | 71,966 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,068 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,063 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,638 |
| Megacities on a World Map | 0 | - | 4.98 | 254,922 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,568 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 89,715 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,425 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,051 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,011 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,864 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,424 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,894 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,514 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,382 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,762 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,241 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,299 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,848 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,528 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,723 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,776 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,947 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,573 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,227 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,147 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,237 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,934 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,594 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,352 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,599 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,526 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,327 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,479 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,396 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,796 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,965 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,646 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,314 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,018 |
| Biggest City by Region | 0 | - | 4.50 | 36,248 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,166 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,206 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,366 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,320 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,434 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,918 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 161,930 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,711 |
| Biggest Cities in History | 0 | - | 4.52 | 90,225 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,746 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,487 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,570 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,999 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,441 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,500 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,951 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,438 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,707 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,490 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,064 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,492 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,189 |
| US States Quiz | 0 | - | 5.00 | 16,893,455 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,279 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,286 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,867 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,068 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,079 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,832 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,561 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,132 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,870 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,579 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,664 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,128 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,137 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,370 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,160 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,462 |
| Biggest Cities in France | 0 | - | 4.70 | 224,172 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,286 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,034 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,956 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,331 |
| Biggest Cities in China | 0 | - | 4.53 | 158,810 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,943 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,248 |
| Biggest Cities in India | 0 | - | 4.64 | 67,792 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,256 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,254 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,248 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,290 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,857 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,171 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,376 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,007 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,883 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,171 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,744 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,371 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,846 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,009 |
| States of Mexico | 0 | - | 4.96 | 176,366 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,534 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,819 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,629 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,675 |
| Countries with Megacities | 0 | - | 4.99 | 263,986 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,516 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,353 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,785 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,408 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,825 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,603 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,697 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,971 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,448 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,604 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,194 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,145 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,206 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,937 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,184 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,850 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,370 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,164 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,673 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,344 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,793 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,861 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,422 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,450 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,600 |
| Pixelated United States Map | 0 | - | 4.87 | 94,348 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,999 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,542 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,537 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,137 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,433 |
| U.S. States By Population | 0 | - | 4.92 | 153,627 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,561 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,499 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,400 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,255 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,697 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,299 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,847 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,207 |
| Cities of Ireland | 0 | - | 4.51 | 50,691 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,010 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,257 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,093 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,691,013 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,145 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,888 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,230 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,156 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,545 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,613 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,837 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,198 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,534 |
| US States with an Empty Map | 0 | - | 5.00 | 625,199 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,203 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,696 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,326 |
