| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,547 |
| United States Map Quiz | 0 | - | 4.98 | 4,148,530 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,868 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,210 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,830 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,168 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,470 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,694 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,203 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,202 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,547 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,379 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,867 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,331 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,984 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,205 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,309 |
| North America Map Quiz | 0 | - | 4.98 | 246,556 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,874 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,866 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,136 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,749 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,964 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,392 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,300 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,512 |
| Central American Countries | 0 | - | 4.98 | 155,522 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,868 |
| Territories of the United States | 0 | - | 4.79 | 52,256 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,493 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,981 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,943 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,700 |
| New York City Geography | 0 | - | 4.42 | 33,023 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,853 |
| Official European Union Languages | 0 | - | 4.97 | 237,668 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,315 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,334 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,365 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,204 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,680 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,571 |
| 75 Americans Named John | 0 | - | 4.41 | 23,862 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,892 |
| New York True or False? | 0 | - | 4.53 | 33,745 |
| The Most Recent... United States | 0 | - | 4.45 | 18,368 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,462 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 32,898 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,515 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,019 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,283 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,553 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,582 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,576 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,273 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,185 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,788 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,302 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,131 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,450 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,218 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,403 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,525 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,838 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,570 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,050 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 45,038 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,084 |
| Official and Regional Languages of Europe on a Map | 0 | - | 4.99 | 110,990 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,030 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,361 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,384 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,543 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,257 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,079 |
| Which Island in the United States? | 0 | - | 4.29 | 29,332 |
| American Foods | 0 | - | 3.66 | 39,325 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,120 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 32,164 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,698 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,253 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,844 |
| U.S. Analogies | 0 | - | 4.27 | 19,638 |
| U.S. Groups of Five | 0 | - | 4.21 | 21,496 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,252 |
| Florida True or False? | 0 | - | 4.48 | 28,596 |
| Old West History | 0 | - | 4.33 | 15,241 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,508 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,892 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,687 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,636 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,459 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,267 |
| US States with the Most Executions | 0 | - | 4.51 | 26,368 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,986 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,793 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,073 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,649 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,731 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,222 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,136 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,541 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,579 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,059 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,762 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,286 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,281 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,682 |
| California Multiple Choice | 0 | - | 4.40 | 28,068 |
| San Francisco Trivia | 0 | - | 4.32 | 15,681 |
| San Francisco A-Z | 0 | - | 4.18 | 9,544 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,172 |
| Boston City Trivia | 0 | - | 4.38 | 24,153 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 65,906 |
| US States Quiz | 0 | - | 5.00 | 16,780,070 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,137 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,614 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,144 |
| History of Mexico | 0 | - | 4.58 | 15,261 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,843 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,247 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,812 |
| Slavic Languages | 0 | - | 4.68 | 54,152 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,641 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,294 |
| American Inventions #1 | 0 | - | 3.63 | 31,483 |
| American Inventions #2 | 0 | - | 3.93 | 15,845 |
| Pixelated United States Map | 0 | - | 4.89 | 93,816 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,020 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,254 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,729 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,674,157 |
| University of California Campuses | 0 | - | 3.84 | 8,888 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,792 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,029 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,203 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,535 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,363 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,929 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,926 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,370 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,596 |
| U.S. States By Population | 0 | - | 4.92 | 152,791 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,897 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,169 |
| US States with an Empty Map | 0 | - | 5.00 | 621,404 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,957 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,981 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,260 |
| Top 10 Most Religious U.S. States | 0 | - | 4.31 | 19,290 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,408 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.27 | 25,388 |
| 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 | 12,303 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,812 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,549 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,142 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,525 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,489 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,399 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,944 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,825 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,139 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 504,075 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,092 |
| Draw All US State Borders | 0 | - | 4.99 | 135,339 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,419 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,203 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,153 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,322 |
| Canada Decoder | 0 | - | 4.12 | 18,685 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,339 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,575 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,518 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,045 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,162 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,836 |
| Top World Languages | 0 | - | 4.92 | 817,387 |
| Australian Capitals | 0 | - | 4.92 | 62,657 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,640 |
| Famous Caribbean People | 0 | - | 4.37 | 12,592 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,986 |
| North America Cities by Map | 0 | - | 4.41 | 47,705 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,516 |
| Rivers of the United States | 0 | - | 4.93 | 65,834 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,793 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,431 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,798 |
| Hawaiian Islands | 0 | - | 4.83 | 42,564 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,751 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,210 |
| U.S. State Flags | 0 | - | 4.89 | 168,877 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,671 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,784 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,986 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,222 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,085 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,523 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,697 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,872 |
