| United States Map Quiz | 0 | - | 4.98 | 4,172,048 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,996 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,908 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,856 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,977 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,055 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,285 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,105 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,086 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,258 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,710 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,842 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,669 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,010 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,079 |
| North America Map Quiz | 0 | - | 4.98 | 252,259 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,470 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,798 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,594 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,114 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,124 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 222,724 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,333 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,852 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,230 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,154 |
| Central American Countries | 0 | - | 4.98 | 157,385 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,624 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 150,754 |
| Territories of the United States | 0 | - | 4.80 | 52,635 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,901 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,145 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,539 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,412 |
| New York City Geography | 0 | - | 4.43 | 33,191 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,632 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,460 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,775 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,732 |
| 75 Americans Named John | 0 | - | 4.41 | 23,977 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,193 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,945 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,234 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,835 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,478 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,525 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,876 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,388 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,289 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,592 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 83,093 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,300 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,762 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,694 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,021 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,895 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,707 |
| South America Map Quiz | 0 | - | 5.00 | 1,557,068 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,203 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.62 | 45,272 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,278 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,889 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,343 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,204 |
| Which Island in the United States? | 0 | - | 4.29 | 29,793 |
| American Foods | 0 | - | 3.66 | 39,445 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,155 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,337 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,825 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,455 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,985 |
| U.S. Analogies | 0 | - | 4.27 | 19,723 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,525 |
| Florida True or False? | 0 | - | 4.48 | 28,782 |
| Old West History | 0 | - | 4.34 | 15,306 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,536 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,988 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,787 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,803 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,727 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,547 |
| US States with the Most Executions | 0 | - | 4.51 | 26,426 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,170 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,281 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 47,102 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,253 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,825 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,923 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,464 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,834 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,531 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,516 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,452 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,597 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,647 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,456 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,122 |
| California Multiple Choice | 0 | - | 4.40 | 28,187 |
| San Francisco Trivia | 0 | - | 4.32 | 15,733 |
| San Francisco A-Z | 0 | - | 4.18 | 9,591 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,206 |
| Boston City Trivia | 0 | - | 4.38 | 24,206 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,754 |
| US States Quiz | 0 | - | 5.00 | 17,003,654 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,734 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,739 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,395 |
| History of Mexico | 0 | - | 4.52 | 15,367 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,646 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,437 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,639 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,855 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,366 |
| American Inventions #1 | 0 | - | 3.62 | 31,538 |
| American Inventions #2 | 0 | - | 3.93 | 15,897 |
| Pixelated United States Map | 0 | - | 4.88 | 94,840 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,604 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,477 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,849 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,727,341 |
| University of California Campuses | 0 | - | 3.84 | 8,961 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,833 |
| U.S. History Multiple Choice #2 | 0 | - | 4.33 | 25,127 |
| U.S. History Multiple Choice #1 | 0 | - | 4.29 | 22,291 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 25,668 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,106 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,321 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,344 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,392 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,419 |
| U.S. States By Population | 0 | - | 4.92 | 154,183 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,272 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,919 |
| US States with an Empty Map | 0 | - | 5.00 | 628,981 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,890 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,554 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,133 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,440 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,536 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.30 | 31,212 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,638 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,395 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,885 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,599 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,296 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,600 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,410 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,273 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,731 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,380 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,348 |
| Draw All US State Borders | 0 | - | 4.99 | 141,118 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,504 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,058 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,257 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,916 |
| Canada Decoder | 0 | - | 4.07 | 18,776 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,224 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,440 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,927 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,795 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,471 |
| Australian Capitals | 0 | - | 4.92 | 62,839 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,795 |
| Famous Caribbean People | 0 | - | 4.37 | 12,665 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,154 |
| North America Cities by Map | 0 | - | 4.41 | 47,954 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,708 |
| Rivers of the United States | 0 | - | 4.93 | 66,712 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,751 |
| U.S. Highway Signs By State | 0 | - | 4.47 | 15,587 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,182 |
| Hawaiian Islands | 0 | - | 4.83 | 42,962 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,630 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,529 |
| U.S. State Flags | 0 | - | 4.89 | 173,101 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,788 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,619 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,152 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,910 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,565 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,897 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,233 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,478 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,769 |
| Official European Union Languages | 0 | - | 4.97 | 239,870 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,699 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,599 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,695 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,799 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,757 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,680 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,284 |
| United States Country Quiz | 0 | - | 4.43 | 102,239 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,077 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,620 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,685 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,556,448 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,532 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,665 |
