| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,867 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,596 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,719 |
| US States Quiz | 0 | - | 5.00 | 16,764,096 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,440 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,681,869 |
| US States with an Empty Map | 0 | - | 5.00 | 620,904 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,781 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,973 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,208 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,994 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,391 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,312 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,998 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,432 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,983 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,882 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,162 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,240 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,835 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,826 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,243 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,477 |
| U.S. States By Population | 0 | - | 4.92 | 152,717 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,808 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,113 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,886 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,944 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,196 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,361 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,353 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,338 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,149 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,156 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,011 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,667 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,676 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,636 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,733 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,963 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,162 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,968 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,784 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,678 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,954 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,701 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,583 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,673 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,549 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,561 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,354 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,091 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,745 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,115 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,060 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,718 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,917 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,966 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,443 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,523 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,471 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,659 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,818 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,356 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,531 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,028 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,039 |
| Random U.S. City to State | 0 | - | 4.45 | 75,589 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,088 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,391 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,784 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,910 |
| New England States | 0 | - | 4.51 | 59,742 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,605 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,939 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,523 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,795 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,767 |
| U.S. States by Borders | 0 | - | 4.63 | 35,172 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 183,636 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,343 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,751 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,602 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,497 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,365 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,283 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,981 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,014 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,076 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,143 |
| Regions of U.S. States | 0 | - | 4.37 | 43,618 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,517 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,354 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,805 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,234 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,045 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.67 | 10,969 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,276 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,117 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,579 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,183 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,023 |
| US States and State Capitals | 0 | - | 4.99 | 159,853 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,359 |
| Boroughs of New York City | 0 | - | 4.47 | 84,287 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,952 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,004 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,108 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,496 |
| States of Mexico | 0 | - | 4.95 | 174,375 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,180 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.73 | 63,669 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,812 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,428 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,700 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,525,207 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,868 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 27,976 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,882 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,192 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,450 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,367 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,283 |
| ALL California Cities | 0 | - | 4.37 | 42,920 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,421 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,818 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,840 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,409 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,895 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,910 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,178 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,156 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,649 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,411 |
| Pixelated United States Map | 0 | - | 4.89 | 93,751 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,690 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,483 |
| Flyover States | 0 | - | 4.52 | 29,439 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,994 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,946 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,256 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.47 | 37,012 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,572 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,173 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,542 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,617 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,982 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,609 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,106 |
| Countries with Megacities | 0 | - | 4.99 | 248,604 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,979 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,456 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,349 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,409 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 50,940 |
| Biggest Cities in the World | 0 | - | 4.91 | 793,333 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,752 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,052 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,076 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,913 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,670,514 |
| Top Producing U.S. States | 0 | - | 4.24 | 31,079 |
| Landmarks of U.S. States #2 | 0 | - | 4.22 | 18,409 |
| Landmarks of U.S. States #1 | 0 | - | 4.29 | 22,971 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 503,678 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,384,554 |
| U.S. States with the Highest HDI | 0 | - | 4.08 | 24,772 |
| States of Origin - American Popular Music | 0 | - | 4.22 | 10,639 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,269 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,079 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,531 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,808 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,699 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,252 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,976 |
| Biggest Cities in the United States | 0 | - | 4.93 | 970,891 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,629 |
| American TV Show Settings | 0 | - | 4.35 | 30,609 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,319 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,596 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,663 |
| All 3,142 County Seats of the United States on a Map | 0 | - | 4.30 | 11,921 |
| Africa Capitals Quiz | 0 | - | 4.99 | 732,918 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,484 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,986 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,210 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,259 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,964 |
| Events by U.S. State #2 | 0 | - | 4.27 | 18,569 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,404 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,102 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,771 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.47 | 26,350 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 14,335 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,364 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,227 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,750 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,244 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,032 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,032 |
