| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,807 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,651 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,307 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,616 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,759 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,619 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,412 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,030 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,828 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,706 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,292 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,952 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,421 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,668 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,451 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,723 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,878 |
| North America Map Quiz | 0 | - | 4.98 | 249,481 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,694 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,727 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,737 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,967 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,191 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,191 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,845 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,411 |
| Central American Countries | 0 | - | 4.98 | 156,779 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 112,964 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,070 |
| Territories of the United States | 0 | - | 4.80 | 52,470 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,743 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,689 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,292 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,133 |
| New York City Geography | 0 | - | 4.42 | 33,127 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,327 |
| Official European Union Languages | 0 | - | 4.97 | 238,930 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,135 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,602 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,522 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,368 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,736 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,670 |
| 75 Americans Named John | 0 | - | 4.41 | 23,929 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,076 |
| New York True or False? | 0 | - | 4.53 | 33,859 |
| The Most Recent... United States | 0 | - | 4.46 | 18,499 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,746 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,104 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,750 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,291 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,423 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,754 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,070 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,023 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,471 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,747 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,083 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,971 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,526 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,583 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,457 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,717 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,404 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,123 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,830 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,132 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,180 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,200 |
| Official and Regional Languages of Europe on a Map | 0 | - | 4.99 | 112,274 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,651 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,593 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,710 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,593 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,151 |
| Which Island in the United States? | 0 | - | 4.29 | 29,607 |
| American Foods | 0 | - | 3.66 | 39,401 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,133 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,290 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,777 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,364 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,921 |
| U.S. Analogies | 0 | - | 4.27 | 19,691 |
| U.S. Groups of Five | 0 | - | 4.21 | 21,618 |
| Branches of the U.S. Military | 0 | - | 4.39 | 24,416 |
| Florida True or False? | 0 | - | 4.48 | 28,712 |
| Old West History | 0 | - | 4.34 | 15,285 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,528 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,952 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,749 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,733 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,618 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,449 |
| US States with the Most Executions | 0 | - | 4.51 | 26,406 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,104 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,095 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,181 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,748 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,834 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,383 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,578 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,097 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,113 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,876 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,848 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,850 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,391 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,939 |
| California Multiple Choice | 0 | - | 4.40 | 28,124 |
| San Francisco Trivia | 0 | - | 4.32 | 15,712 |
| San Francisco A-Z | 0 | - | 4.18 | 9,582 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,187 |
| Boston City Trivia | 0 | - | 4.38 | 24,179 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,399 |
| US States Quiz | 0 | - | 5.00 | 16,918,817 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,818 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,681 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,298 |
| History of Mexico | 0 | - | 4.58 | 15,335 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,142 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,361 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,596 |
| Slavic Languages | 0 | - | 4.67 | 54,467 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,766 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,339 |
| American Inventions #1 | 0 | - | 3.63 | 31,513 |
| American Inventions #2 | 0 | - | 3.93 | 15,873 |
| Pixelated United States Map | 0 | - | 4.88 | 94,484 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,944 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,997 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,793 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,708,560 |
| University of California Campuses | 0 | - | 3.84 | 8,924 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,076 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,091 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,261 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 25,618 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,137 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,716 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,675 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,347 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,660 |
| U.S. States By Population | 0 | - | 4.92 | 153,747 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,715 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,600 |
| US States with an Empty Map | 0 | - | 5.00 | 626,028 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,504 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,336 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,798 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,381 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,491 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.30 | 30,940 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,614 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,358 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,861 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,578 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,242 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,569 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,581 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,602 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,238 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,697 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,825 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,888 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,848 |
| Draw All US State Borders | 0 | - | 4.99 | 138,633 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,944 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,609 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,212 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,727 |
| Canada Decoder | 0 | - | 4.07 | 18,734 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,384 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,353 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,517 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,596 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,704 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,554 |
| Top World Languages | 0 | - | 4.92 | 824,520 |
| Australian Capitals | 0 | - | 4.92 | 62,754 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,715 |
| Famous Caribbean People | 0 | - | 4.37 | 12,633 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,078 |
| North America Cities by Map | 0 | - | 4.41 | 47,850 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,617 |
| Rivers of the United States | 0 | - | 4.93 | 66,341 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,350 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,534 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,586 |
| Hawaiian Islands | 0 | - | 4.83 | 42,779 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,249 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,380 |
| U.S. State Flags | 0 | - | 4.88 | 171,348 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,581 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,479 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,671 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,315 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,949 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,344 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,005 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,237 |
