| United States Map Quiz | 0 | - | 4.98 | 4,149,701 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,577 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,255 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,939 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,222 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,543 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,726 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,256 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,618 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,418 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,924 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,357 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,021 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,256 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,261 |
| North America Map Quiz | 0 | - | 4.98 | 246,916 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,369 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,256 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 638,246 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,928 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,209 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,069 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,489 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,990 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,503 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,365 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,593 |
| Central American Countries | 0 | - | 4.98 | 155,633 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,124 |
| Territories of the United States | 0 | - | 4.79 | 52,275 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,513 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,072 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,990 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,756 |
| New York City Geography | 0 | - | 4.42 | 33,033 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,387 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,218 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,682 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,581 |
| 75 Americans Named John | 0 | - | 4.41 | 23,872 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,920 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,494 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 32,920 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,531 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,053 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,301 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,580 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,641 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,627 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,303 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,249 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,824 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,542 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,167 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,461 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,439 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,587 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,005 |
| South America Map Quiz | 0 | - | 5.00 | 1,545,495 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,059 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 45,052 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,095 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,433 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,585 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,471 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,087 |
| Which Island in the United States? | 0 | - | 4.29 | 29,355 |
| American Foods | 0 | - | 3.66 | 39,336 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,121 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,193 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,703 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,261 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,850 |
| U.S. Analogies | 0 | - | 4.27 | 19,646 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,272 |
| Old West History | 0 | - | 4.33 | 15,247 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,511 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,897 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,695 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,645 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,488 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,288 |
| US States with the Most Executions | 0 | - | 4.51 | 26,377 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,000 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,839 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,085 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,656 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,739 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,250 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,183 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,622 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,629 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,133 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,880 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,573 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,290 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,723 |
| California Multiple Choice | 0 | - | 4.40 | 28,072 |
| San Francisco Trivia | 0 | - | 4.32 | 15,686 |
| San Francisco A-Z | 0 | - | 4.18 | 9,548 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,174 |
| Boston City Trivia | 0 | - | 4.38 | 24,155 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 65,958 |
| US States Quiz | 0 | - | 5.00 | 16,795,324 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,262 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,618 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,159 |
| History of Mexico | 0 | - | 4.58 | 15,270 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,209 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,265 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,062 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,658 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,295 |
| American Inventions #1 | 0 | - | 3.63 | 31,486 |
| American Inventions #2 | 0 | - | 3.93 | 15,849 |
| Pixelated United States Map | 0 | - | 4.89 | 93,892 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,104 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,344 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,736 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,678,606 |
| University of California Campuses | 0 | - | 3.84 | 8,895 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,144 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,035 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,210 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,544 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,447 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,000 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,008 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,478 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,695 |
| U.S. States By Population | 0 | - | 4.92 | 152,856 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,987 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,220 |
| US States with an Empty Map | 0 | - | 5.00 | 621,859 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,017 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,025 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,340 |
| Top 10 Most Religious U.S. States | 0 | - | 4.31 | 19,303 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,415 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.27 | 25,399 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,578 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,309 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,816 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,555 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,158 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,531 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,532 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,007 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,941 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,268 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 504,500 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,190 |
| Draw All US State Borders | 0 | - | 4.99 | 135,739 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,467 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,241 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,161 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,387 |
| Canada Decoder | 0 | - | 4.12 | 18,690 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,480 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,635 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,311 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,325 |
| Australian Capitals | 0 | - | 4.92 | 62,671 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,651 |
| Famous Caribbean People | 0 | - | 4.37 | 12,596 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,993 |
| North America Cities by Map | 0 | - | 4.41 | 47,725 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,529 |
| Rivers of the United States | 0 | - | 4.93 | 65,902 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,850 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,446 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,903 |
| Hawaiian Islands | 0 | - | 4.83 | 42,578 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,825 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,229 |
| U.S. State Flags | 0 | - | 4.89 | 169,128 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,892 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,027 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,075 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,301 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,176 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,623 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,738 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,919 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,891 |
| Official European Union Languages | 0 | - | 4.97 | 237,799 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,410 |
| Europe Map Quiz | 0 | - | 5.00 | 4,748,723 |
| Africa Map Quiz | 0 | - | 5.00 | 2,111,794 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,113 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,761 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,414 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,530 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,143 |
| United States Country Quiz | 0 | - | 4.43 | 101,131 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,773 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 425,283 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 380,551 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,529,401 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,839 |
