| United States Map Quiz | 0 | - | 4.98 | 4,164,848 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,837 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,654 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,910 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,672 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,508 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,078 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,757 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,342 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,986 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,452 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,699 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,481 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,776 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,868 |
| North America Map Quiz | 0 | - | 4.98 | 249,806 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,627 |
| Canada Provinces and Territories | 0 | - | 5.00 | 344,204 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,203 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,364 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,806 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,179 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,164 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,209 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,308 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,916 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,490 |
| Central American Countries | 0 | - | 4.98 | 156,894 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,028 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,285 |
| Territories of the United States | 0 | - | 4.80 | 52,493 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,763 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,776 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,327 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,181 |
| New York City Geography | 0 | - | 4.42 | 33,139 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,540 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,383 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,741 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,686 |
| 75 Americans Named John | 0 | - | 4.41 | 23,937 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,090 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,770 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,117 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,765 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,320 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,441 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,770 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,122 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,063 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,492 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,797 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,112 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,988 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,568 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,616 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,758 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,472 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,215 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,442 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,145 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,192 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,215 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,739 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,882 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,158 |
| Which Island in the United States? | 0 | - | 4.29 | 29,639 |
| American Foods | 0 | - | 3.66 | 39,413 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,135 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,296 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,785 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,374 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,932 |
| U.S. Analogies | 0 | - | 4.27 | 19,702 |
| Branches of the U.S. Military | 0 | - | 4.39 | 24,429 |
| Old West History | 0 | - | 4.34 | 15,288 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,529 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,962 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,752 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,746 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,636 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,465 |
| US States with the Most Executions | 0 | - | 4.51 | 26,413 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,110 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,122 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,193 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,759 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,845 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,392 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,619 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,183 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,181 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,968 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,010 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,155 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,402 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,971 |
| California Multiple Choice | 0 | - | 4.40 | 28,132 |
| San Francisco Trivia | 0 | - | 4.32 | 15,713 |
| San Francisco A-Z | 0 | - | 4.18 | 9,583 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,190 |
| Boston City Trivia | 0 | - | 4.38 | 24,181 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,469 |
| US States Quiz | 0 | - | 5.00 | 16,932,950 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,935 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,693 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,314 |
| History of Mexico | 0 | - | 4.58 | 15,341 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,654 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,378 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,941 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,782 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,344 |
| American Inventions #1 | 0 | - | 3.63 | 31,516 |
| American Inventions #2 | 0 | - | 3.93 | 15,875 |
| Pixelated United States Map | 0 | - | 4.88 | 94,522 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,054 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,077 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,801 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,711,841 |
| University of California Campuses | 0 | - | 3.84 | 8,929 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,357 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,095 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,266 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 25,629 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,192 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,803 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,741 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,432 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,757 |
| U.S. States By Population | 0 | - | 4.92 | 153,814 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,808 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,638 |
| US States with an Empty Map | 0 | - | 5.00 | 626,467 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,582 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,359 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,844 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,391 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,500 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.30 | 31,061 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,616 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,362 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,862 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,579 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,249 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,576 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,268 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,788 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,954 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 508,273 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,919 |
| Draw All US State Borders | 0 | - | 4.99 | 139,083 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,010 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,653 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,222 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.03 | 28,754 |
| Canada Decoder | 0 | - | 4.07 | 18,742 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,507 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,627 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,985 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,932 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,755 |
| Australian Capitals | 0 | - | 4.92 | 62,776 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,723 |
| Famous Caribbean People | 0 | - | 4.37 | 12,640 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,092 |
| North America Cities by Map | 0 | - | 4.41 | 47,869 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,637 |
| Rivers of the United States | 0 | - | 4.93 | 66,402 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,416 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,541 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,700 |
| Hawaiian Islands | 0 | - | 4.83 | 42,804 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,330 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,411 |
| U.S. State Flags | 0 | - | 4.89 | 171,573 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,769 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,638 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,735 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,398 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,050 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,417 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,052 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,279 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,401 |
| Official European Union Languages | 0 | - | 4.97 | 239,085 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,237 |
| Europe Map Quiz | 0 | - | 5.00 | 4,774,450 |
| Oceania Map Quiz | 0 | - | 4.98 | 655,800 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,785 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,625 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,623 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,225 |
| United States Country Quiz | 0 | - | 4.43 | 101,817 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,982 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,311 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,526 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,547,121 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,611 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,763 |
