| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,449 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,540 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,102 |
| US States Quiz | 0 | - | 5.00 | 16,968,797 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,689 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,834 |
| US States with an Empty Map | 0 | - | 5.00 | 627,711 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,518 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,260 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,844 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,152 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,965 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,462 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,294 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,265 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,346 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,694 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,367 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,862 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,090 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,098 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,973 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,119 |
| U.S. States By Population | 0 | - | 4.92 | 154,013 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,050 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,786 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,758 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,468 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,992 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,812 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,276 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,323 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,948 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,079 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,726 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,343 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,159 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,504 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,898 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,863 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,172 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,325 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,928 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,793 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,260 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,113 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,841 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,762 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,906 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,068 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,030 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,596 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,308 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,091 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,538 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,655 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,148 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,260 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,198 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,552 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,740 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,812 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,319 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,236 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,642 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,733 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,504 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,936 |
| Random U.S. City to State | 0 | - | 4.45 | 76,788 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,405 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,041 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,192 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,986 |
| New England States | 0 | - | 4.51 | 59,881 |
| U.S. States by Land Area | 0 | - | 4.63 | 53,009 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,100 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,059 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,236 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,095 |
| U.S. States by Borders | 0 | - | 4.62 | 35,441 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 188,260 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,651 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,276 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,085 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,804 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,453 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,725 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,762 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,705 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,217 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,240 |
| Regions of U.S. States | 0 | - | 4.37 | 44,118 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,621 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,407 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,922 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,351 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,200 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.67 | 11,351 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,502 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,713 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,659 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,287 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,097 |
| US States and State Capitals | 0 | - | 4.99 | 164,793 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,431 |
| Boroughs of New York City | 0 | - | 4.47 | 84,889 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,206 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,937 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,474 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,367 |
| States of Mexico | 0 | - | 4.96 | 177,762 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.44 | 70,147 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 64,170 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,950 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,560 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,826 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,552,862 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,958 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,188 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,094 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,801 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,832 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,178 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,687 |
| ALL California Cities | 0 | - | 4.37 | 43,200 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,488 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,238 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,063 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,670 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,041 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,341 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,290 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,554 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,921 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,772 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,745 |
| Pixelated United States Map | 0 | - | 4.88 | 94,694 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,013 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,557 |
| Flyover States | 0 | - | 4.52 | 29,577 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,230 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,359 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,440 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,170 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,942 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,408 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.74 | 63,969 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,801 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,133 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,987 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,779 |
| Countries with Megacities | 0 | - | 4.99 | 266,349 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,490 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,897 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,784 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,006 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,855 |
| Biggest Cities in the World | 0 | - | 4.92 | 804,151 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,030 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,400 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,855 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,346 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,690,599 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,234 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,474 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 23,046 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,312 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,397,154 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,839 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,704 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,404 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,020 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,823 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,136 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,971 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,500 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,370 |
| Biggest Cities in the United States | 0 | - | 4.94 | 985,095 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,617 |
| American TV Show Settings | 0 | - | 4.37 | 30,693 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,474 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,851 |
| All 3,142 County Seats of the United States on a Map | 0 | - | 4.30 | 12,293 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,529 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,640 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,025 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,144 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,349 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,108 |
| Events by U.S. State #2 | 0 | - | 4.27 | 18,646 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,497 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,344 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,866 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.48 | 26,476 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 14,388 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,325 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,197 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,755 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,510 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,798 |
