| United States Map Quiz | 0 | - | 4.98 | 4,140,175 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,349 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,884 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,215 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,791 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 72,997 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,447 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,853 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,800 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,044 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,421 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,040 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,627 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,770 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,742 |
| North America Map Quiz | 0 | - | 4.98 | 244,102 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,461 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,514 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,560 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,779 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,551 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,399 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,800 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,882 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,840 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,832 |
| Central American Countries | 0 | - | 4.98 | 154,944 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,659 |
| Territories of the United States | 0 | - | 4.79 | 52,109 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,358 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,461 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,699 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,396 |
| New York City Geography | 0 | - | 4.42 | 32,892 |
| Native American Tribes in the US | 0 | - | 4.70 | 25,252 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,074 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,069 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,627 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,511 |
| 75 Americans Named John | 0 | - | 4.41 | 23,820 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,773 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,284 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,762 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,400 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,844 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,192 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,388 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 89,906 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,275 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,127 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,804 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,528 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 70,853 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,347 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,121 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,103 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,983 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,541 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 32,981 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,946 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,010 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,184 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,288 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,610 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,029 |
| Which Island in the United States? | 0 | - | 4.29 | 29,134 |
| American Foods | 0 | - | 3.66 | 39,270 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,109 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,658 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,177 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,793 |
| U.S. Analogies | 0 | - | 4.27 | 19,599 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,128 |
| Old West History | 0 | - | 4.33 | 15,218 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,486 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,842 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,636 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,569 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,344 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,139 |
| US States with the Most Executions | 0 | - | 4.51 | 26,347 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,910 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,583 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,056 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,013 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,572 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,650 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,848 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,073 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,396 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,566 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,063 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,085 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,213 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,492 |
| California Multiple Choice | 0 | - | 4.40 | 28,036 |
| San Francisco Trivia | 0 | - | 4.32 | 15,658 |
| San Francisco A-Z | 0 | - | 4.18 | 9,519 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,164 |
| Boston City Trivia | 0 | - | 4.38 | 24,129 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,560 |
| US States Quiz | 0 | - | 5.00 | 16,684,457 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,128 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,565 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,002 |
| History of Mexico | 0 | - | 4.58 | 15,223 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,662 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,183 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,106 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,568 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,269 |
| American Inventions #1 | 0 | - | 3.63 | 31,456 |
| American Inventions #2 | 0 | - | 3.93 | 15,821 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 30,660 |
| Pixelated United States Map | 0 | - | 4.89 | 93,387 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,338 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,757 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,674 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,650,037 |
| University of California Campuses | 0 | - | 3.84 | 8,850 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,158 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 24,984 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,149 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,481 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,622 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,267 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,318 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,542 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,804 |
| U.S. States By Population | 0 | - | 4.92 | 152,289 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,296 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,795 |
| US States with an Empty Map | 0 | - | 5.00 | 618,315 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,470 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,726 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,804 |
| Top 10 Most Religious U.S. States | 0 | - | 4.31 | 19,222 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,376 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.27 | 25,316 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,554 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,279 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,795 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,531 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,070 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,476 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,378 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,778 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,308 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,423 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,367 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,485 |
| Draw All US State Borders | 0 | - | 4.99 | 133,263 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,009 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,887 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,120 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.00 | 25,226 |
| Canada Decoder | 0 | - | 4.12 | 18,640 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,585 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,819 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,135 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,982 |
| Australian Capitals | 0 | - | 4.92 | 62,586 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,579 |
| Famous Caribbean People | 0 | - | 4.37 | 12,562 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,919 |
| North America Cities by Map | 0 | - | 4.41 | 47,597 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,450 |
| Rivers of the United States | 0 | - | 4.93 | 65,442 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,340 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,377 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,226 |
| Hawaiian Islands | 0 | - | 4.83 | 42,412 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,385 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,067 |
| U.S. State Flags | 0 | - | 4.89 | 166,797 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,218 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,507 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,493 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,797 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,573 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,966 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,518 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,610 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,539 |
| Official European Union Languages | 0 | - | 4.97 | 236,395 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,619 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,409 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,118 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,677 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,754 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,238 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,462 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,069 |
| United States Country Quiz | 0 | - | 4.43 | 100,496 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,584 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,404 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,402 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,516,823 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,072 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,330 |
