| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,812 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,992 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,923 |
| US States Quiz | 0 | - | 5.00 | 16,894,678 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,195 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,691,137 |
| US States with an Empty Map | 0 | - | 5.00 | 625,234 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,233 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,156 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,209 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,704 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,336 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,398 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,733 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,178 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,265 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,019 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,888 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,010 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,549 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,543 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,149 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,441 |
| U.S. States By Population | 0 | - | 4.92 | 153,636 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,569 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,505 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,406 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,257 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,702 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,152 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,892 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,849 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,537 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,856 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,750 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,775 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,943 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,177 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,429 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,420 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,444 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,928 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,238 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,369 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,065 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,063 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,788 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,701 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,821 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,864 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,840 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,514 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,219 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 52,964 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,374 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,702 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,980 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,118 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,099 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,509 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,422 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 51,210 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,072 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,061 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,555 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,655 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,106 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,423 |
| Random U.S. City to State | 0 | - | 4.45 | 76,358 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,293 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,801 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,927 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,563 |
| New England States | 0 | - | 4.51 | 59,822 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,846 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,021 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,861 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,048 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,962 |
| U.S. States by Borders | 0 | - | 4.61 | 35,349 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 186,083 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,508 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,090 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,079 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,007 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,470 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,107 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,493 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,439 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,165 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,208 |
| Regions of U.S. States | 0 | - | 4.37 | 43,925 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,585 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,393 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,862 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,308 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,135 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,211 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,444 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,504 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,636 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,243 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,071 |
| US States and State Capitals | 0 | - | 4.99 | 162,943 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,405 |
| Boroughs of New York City | 0 | - | 4.47 | 84,653 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,747 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,399 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,860 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,013 |
| States of Mexico | 0 | - | 4.96 | 176,391 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,488 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 63,898 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,890 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,512 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,785 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,541,924 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,917 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,102 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,010 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,289 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,290 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,907 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,532 |
| ALL California Cities | 0 | - | 4.37 | 43,079 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,459 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,604 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,961 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,567 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,986 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,801 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,871 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,426 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,452 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,601 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,559 |
| Pixelated United States Map | 0 | - | 4.87 | 94,358 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,876 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,533 |
| Flyover States | 0 | - | 4.52 | 29,525 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,139 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.28 | 76,210 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,362 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,114 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,796 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,325 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,799 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,720 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,891 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,648 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,684 |
| Countries with Megacities | 0 | - | 4.99 | 264,028 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,524 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,360 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,794 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,417 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,508 |
| Biggest Cities in the World | 0 | - | 4.91 | 799,827 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,552 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,626 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,131 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,202 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,683,344 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,185 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,449 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 23,013 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,112 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,392,642 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,807 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,668 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,361 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,177 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 89,757 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,013 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,866 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,427 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,208 |
| Biggest Cities in the United States | 0 | - | 4.94 | 979,605 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,439 |
| American TV Show Settings | 0 | - | 4.35 | 30,656 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,415 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,735 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,778 |
| All 3,142 County Seats of the United States on a Map | 0 | - | 4.30 | 12,154 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,611 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,830 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,010 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 113,916 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,316 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,054 |
| Events by U.S. State #2 | 0 | - | 4.27 | 18,615 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,473 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,253 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,829 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.47 | 26,440 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 14,367 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,961 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,807 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,005 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,009 |
