| 15 Largest Cities in North America With a Map | 0 | - | 4.97 | 40,680 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 56,955 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,600,037 |
| US States with an Empty Map | 0 | - | 5.00 | 585,112 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 66,301 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 40,882 |
| US States Quiz | 0 | - | 5.00 | 15,643,758 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 133,605 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 42,821 |
| Random State Capital to U.S. State | 0 | - | 4.82 | 80,849 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.82 | 52,324 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 150,921 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 74,219 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 33,837 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.89 | 106,567 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.83 | 52,109 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 181,557 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 158,481 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 97,058 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 542,925 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 300,491 |
| Draw All US State Borders | 0 | - | 4.99 | 111,619 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 86,018 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 122,490 |
| Countries of Europe by Population | 0 | - | 4.98 | 142,575 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 67,033 |
| Biggest European Cities by Century | 0 | - | 4.98 | 123,913 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 321,560 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 70,981 |
| Random U.S. City to State | 0 | - | 4.44 | 69,631 |
| Rivers of the United States | 0 | - | 4.92 | 60,902 |
| US States by Borders in 30 Seconds | 0 | - | 4.71 | 2,539,096 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 194,979 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 90,978 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 76,706 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 217,674 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 170,929 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 168,047 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 97,569 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 103,810 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 68,185 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 160,364 |
| Every City in Arizona on a Map | 0 | - | 4.45 | 7,937 |
| Every City in Colorado on a Map | 0 | - | 4.44 | 11,317 |
| Every City in Washington State on a Map | 0 | - | 4.50 | 11,462 |
| Every City in Alabama on a Map | 0 | - | 4.68 | 7,058 |
| Every City in Michigan on a Map | 0 | - | 4.46 | 7,688 |
| U.S. States that Border Canada | 0 | - | 4.91 | 171,108 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 210,620 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 127,347 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 105,733 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 90,030 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 123,989 |
| Most-Visited U.S. Cities | 0 | - | 4.86 | 81,613 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 69,023 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.57 | 7,193 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.54 | 31,049 |
| Boroughs of New York City | 0 | - | 4.45 | 80,502 |
| Washington D.C. Trivia | 0 | - | 4.45 | 32,220 |
| Fifty US States in One Minute | 0 | - | 4.53 | 3,397,165 |
| Category Elimination - U.S. States #1 | 0 | - | 4.92 | 205,399 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 144,884 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 115,929 |
| U.S. Cities Chain | 0 | - | 4.20 | 32,193 |
| ALL California Cities | 0 | - | 4.34 | 41,061 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.41 | 11,965 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 122,233 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.56 | 33,188 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 45,371 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 35,659 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,064 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,368,931 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 361,898 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 155,200 |
| Countries with Megacities | 0 | - | 4.99 | 213,877 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 184,108 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 104,823 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 105,316 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 71,531 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 266,001 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 45,914 |
| Biggest Cities in the World | 0 | - | 4.91 | 737,061 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 53,251 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.26 | 103,522 |
| Cities on Interstate 95 on a Map | 0 | - | 4.47 | 22,272 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 30,491 |
| All 50k+ Cities in Europe with a Map | 0 | - | 4.94 | 28,110 |
| U.S. City Nicknames | 0 | - | 4.23 | 101,619 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 97,592 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 83,672 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 45,989 |
| New York City Trivia #1 | 0 | - | 4.07 | 34,752 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 139,036 |
| 10 Longest Rivers in the United States | 0 | - | 4.83 | 36,696 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.65 | 1,316,874 |
| Every City in Texas on a Map | 0 | - | 4.30 | 11,232 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.47 | 66,718 |
| Shrinking U.S. States | 0 | - | 4.37 | 39,137 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 63,407 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 392,908 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 79,077 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.43 | 48,968 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,083 |
| Biggest "Saint" Cities - United States | 0 | - | 4.48 | 35,369 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 38,808 |
| Biggest Cities in the United States | 0 | - | 4.94 | 895,914 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 348,557 |
| Biggest Cities in Canada | 0 | - | 4.57 | 126,101 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 39,477 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 25,490 |
| Africa Capitals Quiz | 0 | - | 4.99 | 680,671 |
| Asia Capitals Quiz | 0 | - | 4.97 | 640,424 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,101 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.47 | 25,546 |
| Miami City Trivia | 0 | - | 4.55 | 10,828 |
| All About Atlanta | 0 | - | 4.59 | 10,743 |
| Dallas City Trivia | 0 | - | 4.46 | 6,456 |
| Countries Closest to Alaska | 0 | - | 4.91 | 103,894 |
| Countries Closest to Maine | 0 | - | 4.85 | 62,279 |
| Mexico True or False? | 0 | - | 4.89 | 45,566 |
| U.S. States with the Longest International Borders | 0 | - | 4.77 | 44,161 |
| Longest U.S. State Borders | 0 | - | 4.61 | 36,670 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 62,618 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 50,760 |
| Events by U.S. State #1 | 0 | - | 4.42 | 22,317 |
| Sports Teams by State Quiz | 0 | - | 4.18 | 93,007 |
| Top 10 Coldest U.S. States | 0 | - | 4.92 | 106,294 |
| Top 10 Hottest U.S. States | 0 | - | 4.85 | 116,651 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.84 | 58,914 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 121,513 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 80,804 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 255,261 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 114,658 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 106,946 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 86,914 |
| Countries by Population Range - Tile Select | 0 | - | 4.85 | 54,102 |
| Biggest City by Time Zone | 0 | - | 4.85 | 60,051 |
| Biggest City in Every Country | 0 | - | 4.98 | 87,634 |
| Biggest Cities in History | 0 | - | 4.49 | 84,573 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 69,882 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 184,802 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 99,977 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 107,850 |
| Biggest Cities with Exceptions | 0 | - | 4.89 | 71,575 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 77,569 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 71,256 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 44,790 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.90 | 64,134 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 48,491 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 60,657 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 116,794 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 66,420 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 34,896 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 17,860 |
| Word Scramble - U.S. Cities | 0 | - | 4.08 | 19,040 |
| Important Places in U.S. History | 0 | - | 4.25 | 36,904 |
| Name a City - European Countries | 0 | - | 4.93 | 57,985 |
| Richest Metro Areas in the U.S. | 0 | - | 4.35 | 28,131 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 60,228 |
| Snowiest U.S. State Capitals | 0 | - | 4.43 | 27,860 |
| US State Capitals - One Minute Sprint | 0 | - | 4.04 | 172,782 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 27,899 |
| Coldest U.S. State Capitals | 0 | - | 4.58 | 19,607 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 51,753 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 37,504 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.93 | 54,448 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 31,879 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 33,839 |
| U.S. States with More Cows than People | 0 | - | 4.59 | 39,798 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 64,098 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 48,502 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 35,498 |
| U.S. States with Spanish Names | 0 | - | 4.49 | 83,725 |
| Name a Valid U.S. State #2 | 0 | - | 4.62 | 72,868 |
| Name a Valid U.S. State #3 | 0 | - | 4.77 | 46,203 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 76,901 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 38,490 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 67,504 |
| Most Populous Countries by Year | 0 | - | 4.81 | 100,985 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 81,166 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 102,368 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 99,426 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 106,261 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 83,774 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 88,990 |
| Highest Fertility Countries with Exceptions | 0 | - | 4.94 | 18,286 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 113,803 |
| Biggest Cities by Language | 0 | - | 4.95 | 222,148 |
| Biggest English Cities by Century | 0 | - | 4.89 | 102,658 |
| Largest City by Island | 0 | - | 4.90 | 64,463 |
| Most Populous World Capitals | 0 | - | 4.93 | 167,895 |
| U.S. Cities by Hispanic Population | 0 | - | 4.30 | 35,370 |
| Megacities on a World Map | 0 | - | 4.98 | 230,570 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 63,363 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 68,341 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 97,909 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.96 | 109,058 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 158,737 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 212,965 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 128,982 |
