| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,349 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,286 |
| US States Quiz | 0 | - | 5.00 | 16,692,718 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,270 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,008 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,779 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,114 |
| US States with an Empty Map | 0 | - | 5.00 | 618,551 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,502 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,871 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,658 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,537 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,877 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,195 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,304 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,600 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,284 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,698 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,678 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,319 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,366 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,600 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,864 |
| U.S. States By Population | 0 | - | 4.92 | 152,323 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,354 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,832 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,513 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,743 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,855 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,859 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,037 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,058 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,916 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,833 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,621 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,530 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,367 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,216 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,422 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,687 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,727 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,435 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,496 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,505 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,901 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,651 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,517 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,563 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,368 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,390 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,270 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,021 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,649 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,701 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,666 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,582 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,789 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,916 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,409 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 50,944 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 38,422 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,446 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,673 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,263 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,467 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,933 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,528 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,846 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,926 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,790 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,953 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,804 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,647 |
| Random U.S. City to State | 0 | - | 4.45 | 75,287 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,002 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,174 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,071 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,781 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,030 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,120 |
| Regions of U.S. States | 0 | - | 4.37 | 43,453 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,490 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,337 |
| New England States | 0 | - | 4.51 | 59,704 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,468 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,880 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,299 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,761 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,617 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,654 |
| U.S. States by Borders | 0 | - | 4.63 | 35,058 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,433 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,195 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,225 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,119 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 22,991 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.66 | 10,808 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 42,472 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,792 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,559 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,143 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,003 |
| US States and State Capitals | 0 | - | 4.99 | 158,366 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,337 |
| Boroughs of New York City | 0 | - | 4.47 | 84,076 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,616 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,712 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,750 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,756 |
| States of Mexico | 0 | - | 4.95 | 173,261 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,004 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.73 | 63,480 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,761 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,386 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,662 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,517,709 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,829 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 27,906 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,407 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,070 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,389 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,555 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,810 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,550 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,906 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,477 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,128 |
| ALL California Cities | 0 | - | 4.36 | 42,809 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,386 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,402 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,783 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,324 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,839 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,413 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,813 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,316 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,809 |
| Pixelated United States Map | 0 | - | 4.89 | 93,435 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,593 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,461 |
| Flyover States | 0 | - | 4.52 | 29,385 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,904 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,790 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,188 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 36,970 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,487 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,475 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,974 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,207 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,684 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,599 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,160 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,858 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,364 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,500 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,829 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,792 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,663,835 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,024 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,394 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 22,942 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,616 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,379,662 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,746 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,612 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,999 |
| Countries with Megacities | 0 | - | 4.99 | 246,521 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,915 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,799 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,369 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,756 |
| Shrinking U.S. States | 0 | - | 4.37 | 40,189 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 50,571 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,479 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,120 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,686 |
| American TV Show Settings | 0 | - | 4.35 | 30,585 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,275 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,530 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,594 |
| All 3,142 County Seats of the United States on a Map | 0 | - | 4.28 | 11,793 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,921 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,530 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,962 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,006 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,225 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,926 |
| Events by U.S. State #2 | 0 | - | 4.27 | 18,545 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,370 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,006 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,728 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.47 | 26,304 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 14,327 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,078 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,779 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,827 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,826 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,441 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,542 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,207 |
