| United States Map Quiz | 0 | - | 4.98 | 4,147,555 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,515 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,177 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,761 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,132 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,396 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,660 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,168 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,487 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,341 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,822 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,295 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,951 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,167 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,552 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,625 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,631 |
| North America Map Quiz | 0 | - | 4.98 | 246,256 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,843 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,090 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,640 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,334 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,223 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,415 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,954 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,944 |
| Central American Countries | 0 | - | 4.98 | 155,472 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,666 |
| Territories of the United States | 0 | - | 4.79 | 52,243 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,473 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,929 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,927 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,673 |
| New York City Geography | 0 | - | 4.42 | 33,011 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,319 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,186 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,188 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,675 |
| 75 Americans Named John | 0 | - | 4.41 | 23,856 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,884 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,443 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,887 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,501 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,011 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,278 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,535 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,551 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,544 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,260 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,142 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,757 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.42 | 45,707 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,098 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 45,024 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,074 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,443 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,371 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,476 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,756 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,073 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,041 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,351 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,065 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,078 |
| Which Island in the United States? | 0 | - | 4.29 | 29,309 |
| American Foods | 0 | - | 3.66 | 39,321 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,117 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 32,141 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,697 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,246 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,837 |
| U.S. Analogies | 0 | - | 4.27 | 19,635 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,243 |
| Old West History | 0 | - | 4.33 | 15,236 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,507 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,888 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,678 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,623 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,446 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,251 |
| US States with the Most Executions | 0 | - | 4.51 | 26,368 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,978 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,775 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,071 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,641 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,720 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,210 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,518 |
| US States Quiz | 0 | - | 5.00 | 16,770,043 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,057 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,608 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,105 |
| History of Mexico | 0 | - | 4.58 | 15,254 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,487 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,521 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,971 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,686 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,083 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,538 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,271 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,662 |
| California Multiple Choice | 0 | - | 4.40 | 28,063 |
| San Francisco Trivia | 0 | - | 4.32 | 15,679 |
| San Francisco A-Z | 0 | - | 4.18 | 9,543 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,170 |
| Boston City Trivia | 0 | - | 4.38 | 24,148 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,871 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,238 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,133 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,634 |
| Pixelated United States Map | 0 | - | 4.89 | 93,778 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,935 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,201 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,719 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,672,001 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,689 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,020 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,190 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,529 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,286 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,870 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,863 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,288 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,525 |
| U.S. States By Population | 0 | - | 4.92 | 152,745 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,846 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,146 |
| US States with an Empty Map | 0 | - | 5.00 | 621,086 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,906 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,961 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,222 |
| Top 10 Most Religious U.S. States | 0 | - | 4.31 | 19,283 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,400 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.27 | 25,381 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,576 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,301 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,810 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,549 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,135 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,517 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,543 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,297 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,292 |
| American Inventions #1 | 0 | - | 3.63 | 31,481 |
| American Inventions #2 | 0 | - | 3.93 | 15,842 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,924 |
| Rivers of the United States | 0 | - | 4.93 | 65,769 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,838 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,779 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,079 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,743 |
| University of California Campuses | 0 | - | 3.84 | 8,885 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,717 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 55,817 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 503,838 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,037 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,496 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,947 |
| Draw All US State Borders | 0 | - | 4.99 | 135,024 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,182 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,038 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,468 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,367 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,172 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,676 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,149 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,271 |
| Canada Decoder | 0 | - | 4.12 | 18,680 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,247 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,443 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 210,882 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,068 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,636 |
| Famous Caribbean People | 0 | - | 4.37 | 12,585 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,983 |
| North America Cities by Map | 0 | - | 4.41 | 47,690 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,507 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,756 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,423 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,863 |
| Hawaiian Islands | 0 | - | 4.83 | 42,547 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,195 |
| U.S. State Flags | 0 | - | 4.89 | 168,616 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,526 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,848 |
| Europe Map Quiz | 0 | - | 5.00 | 4,743,887 |
| Africa Map Quiz | 0 | - | 5.00 | 2,109,899 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,121 |
| Australian Capitals | 0 | - | 4.92 | 62,647 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,760 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,377 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,514 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,120 |
| United States Country Quiz | 0 | - | 4.43 | 100,981 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,712 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 380,276 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,604 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,905 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,526,028 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,415 |
