| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,938 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,763 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,487 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,802 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,671 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,849 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,858 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,204 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,993 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,978 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,553 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,117 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,595 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,780 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,593 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,928 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,622 |
| North America Map Quiz | 0 | - | 4.98 | 251,071 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,470 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,495 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,981 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,455 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,277 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,697 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,062 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,786 |
| Central American Countries | 0 | - | 4.98 | 157,177 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,194 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,993 |
| Territories of the United States | 0 | - | 4.80 | 52,579 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,841 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,989 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,461 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,318 |
| New York City Geography | 0 | - | 4.43 | 33,172 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,610 |
| Official European Union Languages | 0 | - | 4.97 | 239,538 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,513 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,698 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,602 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,424 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,763 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,709 |
| 75 Americans Named John | 0 | - | 4.41 | 23,961 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,148 |
| New York True or False? | 0 | - | 4.53 | 33,925 |
| The Most Recent... United States | 0 | - | 4.46 | 18,551 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,885 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,193 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,808 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,411 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,486 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,828 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,285 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,202 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,553 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,972 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,215 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 47,055 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,674 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,660 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,889 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,676 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,486 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,815 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,180 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,242 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,248 |
| Official and Regional Languages of Europe on a Map | 0 | - | 4.99 | 112,985 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,945 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,697 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,030 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,826 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,720 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,181 |
| Which Island in the United States? | 0 | - | 4.29 | 29,728 |
| American Foods | 0 | - | 3.66 | 39,427 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,143 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,323 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,808 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,421 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,967 |
| U.S. Analogies | 0 | - | 4.27 | 19,713 |
| U.S. Groups of Five | 0 | - | 4.21 | 21,683 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,485 |
| Florida True or False? | 0 | - | 4.48 | 28,754 |
| Old West History | 0 | - | 4.34 | 15,293 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,530 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,977 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,767 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,773 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,690 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,507 |
| US States with the Most Executions | 0 | - | 4.51 | 26,421 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,144 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,217 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,227 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,794 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,880 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,438 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,728 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,361 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,387 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,225 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,362 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,983 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,432 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,062 |
| California Multiple Choice | 0 | - | 4.40 | 28,163 |
| San Francisco Trivia | 0 | - | 4.32 | 15,723 |
| San Francisco A-Z | 0 | - | 4.18 | 9,583 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,199 |
| Boston City Trivia | 0 | - | 4.38 | 24,194 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,632 |
| US States Quiz | 0 | - | 5.00 | 16,971,071 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,390 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,719 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,360 |
| History of Mexico | 0 | - | 4.52 | 15,358 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,830 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,411 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,990 |
| Slavic Languages | 0 | - | 4.67 | 54,635 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,823 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,359 |
| American Inventions #1 | 0 | - | 3.62 | 31,528 |
| American Inventions #2 | 0 | - | 3.93 | 15,884 |
| Pixelated United States Map | 0 | - | 4.88 | 94,711 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,362 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,315 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,829 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,720,699 |
| University of California Campuses | 0 | - | 3.84 | 8,950 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,620 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,113 |
| U.S. History Multiple Choice #1 | 0 | - | 4.29 | 22,278 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 25,654 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,901 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,129 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,128 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,165 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,155 |
| U.S. States By Population | 0 | - | 4.92 | 154,033 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,077 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,804 |
| US States with an Empty Map | 0 | - | 5.00 | 627,801 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,772 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,482 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,002 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,415 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,523 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.30 | 31,159 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,626 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,380 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,875 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,589 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,275 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,585 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,647 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,353 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,047 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,428 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,396 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,165 |
| Draw All US State Borders | 0 | - | 4.99 | 140,182 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,340 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,956 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,240 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,841 |
| Canada Decoder | 0 | - | 4.07 | 18,761 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,863 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,699 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,983 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,118 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,414 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,123 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,322 |
| Top World Languages | 0 | - | 4.92 | 828,241 |
| Australian Capitals | 0 | - | 4.92 | 62,812 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,763 |
| Famous Caribbean People | 0 | - | 4.37 | 12,652 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,127 |
| North America Cities by Map | 0 | - | 4.41 | 47,914 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,674 |
| Rivers of the United States | 0 | - | 4.93 | 66,581 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,591 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,560 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,979 |
| Hawaiian Islands | 0 | - | 4.83 | 42,892 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,500 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,475 |
| U.S. State Flags | 0 | - | 4.89 | 172,355 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,344 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,296 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,000 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,741 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,355 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,701 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,164 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,380 |
