| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,376 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,800 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,890 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,616 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,530 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,592 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,678,801 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,792 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,315 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,729 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,637 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,186 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,902 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,684 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,437 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,362 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,563 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,602 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,521 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,280 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,359 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,959 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,664 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,193 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,033 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,648 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,699 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,905 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 99,920 |
| All 50k+ Cities in Europe with a Map | 0 | - | 4.95 | 33,958 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,646 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,411 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,971 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,791 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,066 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,189 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,749 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,803 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,184 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,000 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,324 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,604 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,600 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,243 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,694 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,126 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,233 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,806 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,772 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,642 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 38,976 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,904 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,500 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,710 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,948 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,943 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,901 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,518 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,689 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,679 |
| Biggest Cities by Language | 0 | - | 4.96 | 232,425 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,481 |
| Largest City by Island | 0 | - | 4.87 | 71,112 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,433 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,637 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,259 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 84,050 |
| Megacities on a World Map | 0 | - | 4.98 | 251,229 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,856 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,940 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,923 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,273 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.96 | 120,473 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,192 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,492 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,968 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,191 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,097 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,270 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,138 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,612 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 30,993 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,304 |
| US States Quiz | 0 | - | 5.00 | 16,718,564 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,566 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,146 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,148 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,055 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,001 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,765 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,164 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,778 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,739 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,608 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,956 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,967 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,907 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,461 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,147 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,908 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,585 |
| Countries with Megacities | 0 | - | 4.99 | 247,490 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,430 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,176 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,843 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,103 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,863 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,734 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,395 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,152 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,513 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,837 |
| US States with an Empty Map | 0 | - | 5.00 | 619,442 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 94,847 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,058 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,981 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,921 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,263 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,742 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,324 |
| Biggest City by Region | 0 | - | 4.50 | 36,010 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,921 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,568 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,865 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,036 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,238 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,947 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,503 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,564 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,816 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,267 |
| Biggest Cities Ever Under Danish Rule | 0 | - | 4.49 | 16,130 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,846 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,590 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,055 |
| Biggest Cities in France | 0 | - | 4.69 | 222,552 |
| Biggest Cities in Spain | 0 | - | 4.63 | 169,997 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,690 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,493 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,241 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,581 |
| Biggest Cities in China | 0 | - | 4.53 | 157,151 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,991 |
| Biggest Cities in India | 0 | - | 4.70 | 67,373 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,652 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,846 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,706 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,402 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,507 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,662 |
| Rivers of the United States | 0 | - | 4.93 | 65,590 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,921 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,969 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,774 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,173 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,591 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,998 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,247 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,008 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,554 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,790 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,391 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,473 |
| Biggest Cities in History | 0 | - | 4.52 | 89,179 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,142 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,216 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,056 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,216 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,041 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,767 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,994 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,379 |
| Biggest Cities in California | 0 | - | 4.35 | 139,268 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,815 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,430 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,214 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,113 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,597 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,670 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,060 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,563 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,022 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,668 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,972 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,267 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,054 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,939 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,315 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,716 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,706 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,311 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,373 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,197 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,461 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,057 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,490 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,677 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,348 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,876 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,457 |
