| United States Map Quiz | 0 | - | 4.98 | 4,173,798 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,039 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,969 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,995 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,081 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,258 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,343 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,183 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,188 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,327 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,783 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,883 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,730 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,073 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,580 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,188 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,464 |
| North America Map Quiz | 0 | - | 4.98 | 252,864 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,676 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,211 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,561 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,987 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,322 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,340 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 223,185 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,369 |
| Central American Countries | 0 | - | 4.98 | 157,576 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,697 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 151,111 |
| Territories of the United States | 0 | - | 4.80 | 52,676 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,935 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,263 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,605 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,498 |
| New York City Geography | 0 | - | 4.43 | 33,204 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,761 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,653 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,480 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,781 |
| 75 Americans Named John | 0 | - | 4.41 | 23,993 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,219 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,990 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,273 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,855 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,537 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,542 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,912 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,463 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,349 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,620 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 83,171 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,340 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,823 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.62 | 45,299 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,300 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,718 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,088 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,990 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,896 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,596 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,222 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,940 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,710 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,212 |
| Which Island in the United States? | 0 | - | 4.29 | 29,838 |
| American Foods | 0 | - | 3.66 | 39,459 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,161 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,352 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,840 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,468 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,999 |
| U.S. Analogies | 0 | - | 4.27 | 19,729 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,550 |
| Old West History | 0 | - | 4.34 | 15,309 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,539 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 20,000 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,809 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,821 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,744 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,574 |
| US States with the Most Executions | 0 | - | 4.51 | 26,431 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,185 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,337 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 47,139 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,276 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,840 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,948 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,505 |
| US States Quiz | 0 | - | 5.00 | 17,025,686 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,914 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,747 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,911 |
| History of Mexico | 0 | - | 4.52 | 15,376 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,640 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,605 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,579 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,769 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,093 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,333 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,480 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,174 |
| California Multiple Choice | 0 | - | 4.40 | 28,200 |
| San Francisco Trivia | 0 | - | 4.32 | 15,740 |
| San Francisco A-Z | 0 | - | 4.18 | 9,593 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,214 |
| Boston City Trivia | 0 | - | 4.38 | 24,213 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,837 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,450 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,420 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,874 |
| Pixelated United States Map | 0 | - | 4.89 | 94,951 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,769 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,614 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,862 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,731,719 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,031 |
| U.S. History Multiple Choice #2 | 0 | - | 4.33 | 25,143 |
| U.S. History Multiple Choice #1 | 0 | - | 4.29 | 22,307 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 25,684 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,206 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,452 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,471 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,539 |
| U.S. States that Start with M | 0 | - | 4.94 | 188,588 |
| U.S. States By Population | 0 | - | 4.92 | 154,272 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,393 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,992 |
| US States with an Empty Map | 0 | - | 5.00 | 629,683 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,995 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,606 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,223 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,452 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,550 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.30 | 31,243 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,648 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,400 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,890 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,602 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,315 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,119 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,612 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,372 |
| American Inventions #1 | 0 | - | 3.62 | 31,541 |
| American Inventions #2 | 0 | - | 3.93 | 15,906 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,465 |
| Rivers of the United States | 0 | - | 4.93 | 66,798 |
| American Legal Vocabulary | 0 | - | 4.40 | 34,049 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,421 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,934 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,316 |
| University of California Campuses | 0 | - | 3.84 | 8,974 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,710 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,301 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 511,050 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,471 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,909 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,295 |
| Draw All US State Borders | 0 | - | 4.99 | 141,600 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,058 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,716 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 93,005 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,589 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,120 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,288 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,267 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,959 |
| Canada Decoder | 0 | - | 4.07 | 18,784 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,420 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,629 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,497 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 281,062 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,694 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,807 |
| Famous Caribbean People | 0 | - | 4.37 | 12,669 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,180 |
| North America Cities by Map | 0 | - | 4.41 | 47,978 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,727 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,843 |
| U.S. Highway Signs By State | 0 | - | 4.47 | 15,605 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,921 |
| Hawaiian Islands | 0 | - | 4.83 | 43,019 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,580 |
| U.S. State Flags | 0 | - | 4.88 | 173,541 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,103 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,547 |
| Europe Map Quiz | 0 | - | 5.00 | 4,793,903 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,493 |
| Australian Capitals | 0 | - | 4.92 | 62,863 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,801 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,810 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,701 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,297 |
| United States Country Quiz | 0 | - | 4.43 | 102,366 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,105 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,932 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 194,052 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,974 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,558,726 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,786 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,856 |
