| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 174,960 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 89,368 |
| US States Quiz | 0 | - | 5.00 | 14,999,455 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 72,679 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,548,189 |
| US States with an Empty Map | 0 | - | 5.00 | 562,838 |
| US State Capitals Quiz - No Hints | 0 | - | 4.96 | 80,977 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.88 | 44,890 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 42,450 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 73,008 |
| Louisiana Purchase with a Map | 0 | - | 4.95 | 37,357 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 117,390 |
| U.S. States with the Highest Population Density | 0 | - | 4.46 | 66,939 |
| U.S. State Capitals Map Quiz | 0 | - | 4.92 | 127,810 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 187,621 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 343,408 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 75,259 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 64,607 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 102,145 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 97,830 |
| 10 Southernmost U.S. States | 0 | - | 4.86 | 100,818 |
| U.S. States with Short Names | 0 | - | 4.87 | 132,092 |
| U.S. States that Start with M | 0 | - | 4.91 | 152,681 |
| U.S. States By Population | 0 | - | 4.90 | 131,481 |
| U.S. States that Start with N | 0 | - | 4.95 | 157,451 |
| U.S. States with Longest Names | 0 | - | 4.84 | 36,839 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 78,984 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 59,012 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 57,108 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 93,105 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 62,720 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 91,057 |
| U.S. States with the Most Immigrants | 0 | - | 4.86 | 74,511 |
| Top 10 Coldest U.S. States | 0 | - | 4.92 | 102,141 |
| Top 10 Hottest U.S. States | 0 | - | 4.88 | 108,896 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 57,563 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 79,964 |
| Name a Valid U.S. State Capital | 0 | - | 4.82 | 50,211 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 144,454 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 70,881 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.87 | 101,080 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,761 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 107,646 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 37,461 |
| Longest U.S. State Borders | 0 | - | 4.66 | 34,941 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.69 | 60,656 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.75 | 54,387 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 53,225 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 49,593 |
| 1M Cities by Proximity - United States | 0 | - | 4.50 | 138,908 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 37,038 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 47,895 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.52 | 34,435 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 70,413 |
| Name a Valid U.S. State #3 | 0 | - | 4.77 | 44,732 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 75,913 |
| U.S. State Superlatives #2 | 0 | - | 4.52 | 37,657 |
| Countries of Europe by Population | 0 | - | 4.98 | 131,222 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 30,404 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.57 | 131,702 |
| Random U.S. City to State | 0 | - | 4.44 | 66,820 |
| South America Capitals Quiz | 0 | - | 5.00 | 433,593 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 39,281 |
| New England States | 0 | - | 4.52 | 52,587 |
| US States by Land Area | 0 | - | 4.54 | 48,962 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 36,436 |
| Add a Letter - Make a U.S. State | 0 | - | 4.75 | 77,326 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 51,712 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 37,717 |
| Save Americans by Guessing U.S. States | 0 | - | 4.55 | 154,587 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 53,374 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 83,255 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 209,448 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 164,052 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 160,460 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 82,341 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,697 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.18 | 122,067 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 56,550 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.55 | 30,397 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 25,206 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.48 | 29,313 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 19,850 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,670 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 19,154 |
| U.S Cities by African-American Population | 0 | - | 4.40 | 83,398 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,558 |
| Cities on Route 66 on a Map | 0 | - | 4.52 | 29,606 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.37 | 235,883 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 21,755 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.47 | 25,166 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.54 | 30,453 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 124,192 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,670 |
| Boroughs of New York City | 0 | - | 4.45 | 77,997 |
| Total United States Immigration by Country | 0 | - | 4.90 | 98,230 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 189,107 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,859 |
| States of Mexico | 0 | - | 4.94 | 145,173 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 58,573 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,918 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 31,546 |
| Fifty US States in One Minute | 0 | - | 4.57 | 3,288,227 |
| Events by U.S. State #1 | 0 | - | 4.42 | 21,923 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,607 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,544 |
| ALL California Cities | 0 | - | 4.36 | 39,688 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.39 | 37,569 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 117,754 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 34,813 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.65 | 32,528 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 95,347 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 80,343 |
| Countries Closest to Canada | 0 | - | 4.90 | 186,160 |
| Pixelated United States Map | 0 | - | 4.90 | 83,781 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.34 | 71,384 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.49 | 20,641 |
| Flyover States | 0 | - | 4.51 | 28,193 |
| U.S. States With Double Letters | 0 | - | 4.63 | 21,310 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.30 | 58,391 |
| U.S. States by Borders | 0 | - | 4.56 | 26,633 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 37,675 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 35,589 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.54 | 61,162 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.79 | 59,178 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 39,696 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,328,652 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 353,333 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,003 |
| Countries with Megacities | 0 | - | 4.99 | 201,810 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,335 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,950 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,221 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,855 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 252,972 |
| Biggest Cities in the World | 0 | - | 4.90 | 702,409 |
| Canada or Africa by Area | 0 | - | 4.81 | 14,470 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 126,118 |
| Countries that Beat the United States | 0 | - | 4.92 | 148,170 |
| Countries that Beat Canada | 0 | - | 4.91 | 79,288 |
| Regions of US States | 0 | - | 4.15 | 31,620 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 282,034 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,442 |
| US States by Borders in 30 Seconds | 0 | - | 4.75 | 2,443,321 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.39 | 28,579 |
| Top Producing U.S. States | 0 | - | 4.23 | 29,126 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.60 | 31,302 |
| Landmarks of U.S. States #2 | 0 | - | 4.21 | 17,845 |
| Landmarks of U.S. States #1 | 0 | - | 4.30 | 22,138 |
| Word Scramble - U.S. States | 0 | - | 4.96 | 464,480 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.58 | 1,262,244 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,181 |
| States of Origin - American Popular Music | 0 | - | 4.20 | 9,985 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 378,150 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 63,141 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,839 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,392 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.45 | 37,492 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.79 | 39,265 |
| Biggest Cities in the United States | 0 | - | 4.93 | 848,724 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 338,553 |
| American TV Show Settings Quiz | 0 | - | 4.35 | 29,799 |
| Cities Founded by the French in North America | 0 | - | 4.52 | 38,850 |
| Name a City - U.S. States | 0 | - | 4.41 | 24,814 |
| Africa Capitals Quiz | 0 | - | 4.99 | 649,200 |
| Asia Capitals Quiz | 0 | - | 4.98 | 606,697 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.39 | 31,112 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.24 | 13,314 |
| U.S. States with the Fewest Borders | 0 | - | 4.76 | 106,878 |
| U.S. States with the Most Borders | 0 | - | 4.56 | 61,247 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.76 | 33,691 |
| Events by U.S. State #2 | 0 | - | 4.27 | 17,914 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.89 | 17,291 |
| Sports Teams by State Quiz | 0 | - | 4.19 | 91,670 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.30 | 35,355 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 31,577 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.51 | 27,743 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.47 | 25,232 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 13,911 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 118,091 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,424 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 248,322 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,558 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,258 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 72,232 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 51,332 |
| Biggest City by Time Zone | 0 | - | 4.85 | 55,952 |
| Biggest City in Every Country | 0 | - | 4.98 | 81,382 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 174,180 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 94,215 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 99,582 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 66,786 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 73,359 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 522,743 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,904 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,992 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,843 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,978 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,705 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 109,469 |
